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Table of Contents
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1. Problem TEST (1. Life, the Universe,
and Everything)
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2. Problem PRIME1 (2. Prime Generator)
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3. Problem SBSTR1 (3. Substring Check (Bug
Funny))
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4. Problem ONP (4. Transform the
Expression)
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5. Problem PALIN (5. The Next Palindrome)
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6. Problem ARITH (6. Simple Arithmetics)
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7. Problem BULK (7. The Bulk!)
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8. Problem CMPLS (8. Complete the
Sequence!)
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9. Problem DIRVS (9. Direct Visibility)
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10. Problem CMEXPR (10. Complicated
Expressions)
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11. Problem FCTRL (11. Factorial)
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12. Problem MMIND (12. The Game of
Master-Mind)
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13. Problem HOTLINE (13. Hotline)
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14. Problem IKEYB (14. I-Keyboard)
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15. Problem SHPATH (15. The Shortest Path)
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16. Problem TETRA (16. Sphere in a
tetrahedron)
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17. Problem CRYPTO1 (17. The Bytelandian
Cryptographer (Act I))
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18. Problem CRYPTO2 (18. The Bytelandian
Cryptographer (Act II))
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19. Problem CRYPTO3 (19. The Bytelandian
Cryptographer (Act III))
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20. Problem CRYPTO4 (20. The Bytelandian
Cryptographer (Act IV))
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21. Problem TRICENTR (22. Triangle From
Centroid)
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22. Problem PIR (23. Pyramids)
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23. Problem FCTRL2 (24. Small factorials)
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24. Problem POUR1 (25. Pouring water)
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25. Problem BSHEEP (26. Build the Fence)
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26. Problem SBANK (27. Sorting Bank
Accounts)
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27. Problem HMRO (28. Help the Military
Recruitment Office!)
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28. Problem HASHIT (29. Hash it!)
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29. Problem BLINNET (30. Bytelandian
Blingors Network)
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30. Problem MUL (31. Fast Multiplication)
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31. Problem NHAY (32. A Needle in the
Haystack)
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32. Problem TRIP (33. Trip)
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33. Problem RUNAWAY (34. Run Away)
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34. Problem EQBOX (35. Equipment Box)
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35. Problem CODE1 (36. Secret Code)
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36. Problem PROPKEY (37. The Proper Key)
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37. Problem LABYR1 (38. Labyrinth)
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38. Problem PIGBANK (39. Piggy-Bank)
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39. Problem STONE (40. Lifting the Stone)
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40. Problem WORDS1 (41. Play on Words)
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41. Problem ADDREV (42. Adding Reversed
Numbers)
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42. Problem BOOKS1 (43. Copying Books)
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43. Problem SCYPHER (44. Substitution
Cipher)
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44. Problem COMMEDIA (45. Commedia dell
Arte)
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45. Problem SCRAPER (47. Skyscraper
Floors)
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46. Problem BEADS (48. Glass Beads)
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47. Problem HAREFOX (49. Hares and Foxes)
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48. Problem INCARDS (50. Invitation Cards)
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49. Problem TOUR (51. Fake tournament)
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50. Problem JULKA (54. Julka)
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51. Problem JASIEK (55. Jasiek)
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52. Problem DYZIO (56. Dyzio)
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53. Problem SUPPER (57. Supernumbers in a
permutation)
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54. Problem PICAD (58. Crime at Piccadily
Circus)
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55. Problem BIA (59. Bytelandian
Information Agency)
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56. Problem DANCE (60. The Gordian Dance)
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57. Problem BRCKTS (61. Brackets)
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58. Problem IMP (62. The Imp)
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59. Problem SQRBR (63. Square Brackets)
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60. Problem PERMUT1 (64. Permutations)
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61. Problem BALL1 (65. Ball)
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62. Problem CRSCNTRY (66. Cross-country)
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63. Problem CUTOUT (67. Cutting out)
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64. Problem EXPR1 (68. Expression)
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65. Problem MOULDS (69. Moulds)
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66. Problem RELATS1 (70. Relations)
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67. Problem TREE1 (71. Tree)
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68. Problem BAC (73. Bacterial)
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69. Problem DIVSUM (74. Divisor Summation)
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70. Problem EDIT1 (75. Editor)
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71. Problem EDIT2 (76. Editor Inverse)
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72. Problem BRICKS (77. New bricks
disorder)
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73. Problem MARBLES (78. Marbles)
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74. Problem EASYPIE (82. Easy Problem)
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75. Problem BUNDLE (83. Bundling)
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76. Problem SHORTCUT (84. Shortcut)
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77. Problem DICE1 (85. Dice Contest)
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78. Problem RAIN1 (86. November Rain)
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79. Problem FOOTBALL (87. Football)
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80. Problem TREE2 (88. Which is Next)
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81. Problem HANGLET (89. Hang or not to
hang)
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82. Problem MINIMAX (90. Minimizing
maximizer)
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83. Problem TWOSQRS (91. Two squares or
not two squares)
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84. Problem CUTSQRS (92. Cutting off
Squares)
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85. Problem MAYA (94. Numeral System of
the Maya)
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86. Problem STPAR (95. Street Parade)
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87. Problem SHOP (96. Shopping)
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88. Problem PARTY (97. Party Schedule)
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89. Problem DFLOOR (98. Dance Floor)
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90. Problem BUS (99. Bus)
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91. Problem BABTWR (100. Tower of Babylon)
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92. Problem FISHER (101. Fishmonger)
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93. Problem LITEPIPE (102. GX Light
Pipeline Inc)
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94. Problem HIGH (104. Highways)
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95. Problem ALICEBOB (105. Alice and Bob)
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96. Problem BINSTIRL (106. Binary Stirling Numbers)
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97. Problem MAYACAL (107. Calendar of the
Maya)
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98. Problem MORSE (108. Decoding Morse
Sequences)
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99. Problem EXCHNG (109. Exchanges)
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100. Problem CISTFILL (110. Fill the
Cisterns)
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101. Problem SEGVIS (112. Horizontally
Visible Segments)
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102. Problem FAMILY (115. Family)
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103. Problem INTERVAL (116. Intervals)
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104. Problem RHOMBS (118. Rhombs)
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105. Problem SERVERS (119. Servers)
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106. Problem SOLIT (120. Solitaire)
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107. Problem TTABLE (121. Timetable)
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108. Problem STEVE (122. Voracious Steve)
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109. Problem PAYING (123. Paying in
Byteland)
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110. Problem RENT (130. Rent your airplane
and make money)
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111. Problem SQDANCE (131. Square dance)
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112. Problem HELPR2D2 (132. Help R2-D2!)
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113. Problem PHONY (134. Phony Primes)
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114. Problem MAWORK (135. Men at work)
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115. Problem TRANS (136. Transformation)
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116. Problem PARTIT (137. Partition)
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117. Problem POSTERS (138. Election
Posters)
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118. Problem MAZE (139. The Long and
Narrow Maze)
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119. Problem LONER (140. The Loner)
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120. Problem GLUE (142. Johnny and the
Glue)
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121. Problem ALIENS (145. Aliens)
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122. Problem MULTIPLY (146. Fast
Multiplication Again)
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123. Problem TAUT (147. Tautology)
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124. Problem MLAND (148. Land for
Motorways)
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125. Problem FSHEEP (149. Fencing in the
Sheep)
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126. Problem PLONK (150. Where to Drink
the Plonk?)
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127. Problem COURIER (151. The Courier)
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128. Problem SCALES (153. Balancing the
Stone)
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129. Problem ROCK (154. Sweet and Sour
Rock)
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130. Problem PALSEC (160. Choosing a
Palindromic Sequence)
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131. Problem PAINTTMP (174. Paint
templates)
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132. Problem POLY1 (175. Polygon)
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133. Problem SUM1SEQ (176. Sum of
one-sequence)
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134. Problem ABWORDS (177. AB-words)
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135. Problem ROADNET (178. Road net)
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136. Problem WORDEQ (179. Word equations)
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137. Problem CONTPACK (180. How to pack
containers)
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138. Problem SCUBADIV (181. Scuba diver)
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139. Problem WINDOW1 (182. Window)
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140. Problem ASCIRC (183. Assembler
circuits)
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141. Problem ATMS (184. Automatic Teller
Machines)
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142. Problem CHASE1 (185. Chase)
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143. Problem LITELANG (186. The lightest
language)
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144. Problem FLBRKLIN (187. Flat broken
lines)
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145. Problem RECTNG1 (188. Rectangles)
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146. Problem MUSKET (196. Musketeers)
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147. Problem EMPTY (199. Empty Cuboids)
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148. Problem MONODIG (200. Monodigital
Representations)
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149. Problem POLYGAME (201. The Game of
Polygons)
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150. Problem ROCKETS (202. Rockets)
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151. Problem POTHOLE (203. Potholers)
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152. Problem SLEEP (204. Sleepwalker)
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153. Problem ICERINK (205. Icerink)
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154. Problem BITMAP (206. Bitmap)
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155. Problem THREECOL (207. Three-coloring
of binary trees)
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156. Problem STORE (208. Store-keeper)
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157. Problem MAP (209. The Map)
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158. Problem ALTARS (210. The Altars)
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159. Problem PRIMIT (211. Primitivus
recurencis)
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160. Problem WATER (212. Water among
Cubes)
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161. Problem PANIC (215. Panic in the
Plazas)
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162. Problem SOPARADE (217. Soldiers on
Parade)
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163. Problem PHRASES (220. Relevant
Phrases of Annihilation)
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164. Problem VONNY (224. Vonny and her
dominos)
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165. Problem JEWELS (226. Jewelry and
Fashion)
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166. Problem ORDERS (227. Ordering the
Soldiers)
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167. Problem SHAMAN (228. Shamans)
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168. Problem SORTING (229. Sorting is
easy)
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169. Problem ZEBRA (231. The Zebra
Crossing)
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170. Problem HOLIDAY1 (234. Getting Rid of
the Holidays (Act I))
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171. Problem VFMUL (235. Very Fast
Multiplication)
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172. Problem ROMAN (236. Converting number
formats)
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173. Problem SUMITR (237. Sums in a
Triangle)
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174. Problem HOLIDAY2 (238. Getting Rid of
the Holidays (Act II))
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175. Problem BTOUR (239. Tour de Byteland)
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176. Problem BLOCKS (241. Arranging the
Blocks)
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177. Problem STABLEMP (243. Stable
Marriage Problem)
|
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178. Problem SQRROOT (245. Square Root)
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179. Problem CHOCOLA (247. Chocolate)
|
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180. Problem CTAIN (260. Containers)
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181. Problem TRIPART (261. Triangle
Partitioning)
|
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182. Problem CONNECT (262. Connections)
|
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183. Problem PERIOD (263. Period)
|
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184. Problem CORNET (264. Corporative
Network)
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185. Problem CAVE
(272. Cave Exploration)
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186. Problem WMELON (274. Johnny and the
Watermelon Plantation)
|
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187. Problem WATERWAY (275. The Water
Ringroad)
|
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188. Problem CTGAME (277. City Game)
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189. Problem BICYCLE (278. Bicycle)
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190. Problem INUMBER (279. Interesting
number)
|
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191. Problem LIFTS (280. Lifts)
|
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192. Problem MUDDY (282. Muddy Fields)
|
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193. Problem NAPTIME (283. Naptime)
|
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194. Problem SCITIES (286. Selfish Cities)
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195. Problem NETADMIN (287. Smart Network
Administrator)
|
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196. Problem PON (288. Prime or Not)
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197. Problem POLYEQ (290. Polynomial
Equations)
|
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198. Problem CUBERT (291. Cube Root)
|
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199. Problem ALIBB (292. Alibaba)
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200. Problem OFBEAT (293. Officers on the
Beat)
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201. Problem TWORK (296. Teamwork is
Crucial)
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202. Problem AGGRCOW (297. Aggressive
cows)
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203. Problem CABLETV (300. Cable TV
Network)
|
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204. Problem BOOK (301. Booklets)
|
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205. Problem CANTON (302. Count on Cantor)
|
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206. Problem UCUBE (303. The Unstable
Cube)
|
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207. Problem RATTERN (309. The Room
Pattern)
|
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208. Problem PITPAIR (318. Pythagorean
Legacy)
|
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209. Problem WINDMILL (325. The Tall
Windmills)
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210. Problem PLATON (327. Platon and
Socrates)
|
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211. Problem BISHOPS (328. Bishops)
|
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212. Problem CALLS (329. Calls)
|
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213. Problem HARDQ (332. Hard Question)
|
|
214. Problem PHDISP (334. The
Philosophical Dispute)
|
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215. Problem EOPERA (336. Exchange
Operations)
|
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216. Problem SEQ (339. Recursive Sequence)
|
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217. Problem POKER (344. Poker)
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218. Problem MIXTURES (345. Mixtures)
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219. Problem COINS (346. Bytelandian gold
coins)
|
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220. Problem EXPEDI (348. Expedition)
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221. Problem AROUND (349. Around the
world)
|
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222. Problem LANDSCAP (350. Landscaping)
|
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223. Problem HAN01 (351. Ha-noi!)
|
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224. Problem ACT (359. Alpha Centauri
Tennis)
|
|
225. Problem IGARB (362. Ignore the
Garbage)
|
|
226. Problem LISA (364. Pocket Money)
|
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227. Problem PHIDIAS (365. Phidias)
|
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228. Problem FARMER (366. Farmer)
|
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229. Problem EMPODIA (367. Empodia)
|
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230. Problem CSTREET (368. Cobbled
streets)
|
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231. Problem MATH1 (369. Math I)
|
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232. Problem ONEZERO (370. Ones and zeros)
|
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233. Problem BENEFACT (372. The
Benefactor)
|
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234. Problem GREED (373. Greedy island)
|
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235. Problem MATRIX (374. Count maximum
matrices)
|
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236. Problem QTREE (375. Query on a tree)
|
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237. Problem ACS (376. A concrete
simulation)
|
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238. Problem TAXI (377. Taxi)
|
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239. Problem PERMUT2 (379. Ambiguous
Permutations)
|
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240. Problem BINGO (380. Bullshit Bingo)
|
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241. Problem CHICAGO
(381. 106 miles to Chicago)
|
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242. Problem DECORATE (382. Decorate the
wall)
|
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243. Problem EUROPEAN (383. European
railroad tracks)
|
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244. Problem FOOL (384. Any fool can do
it)
|
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245. Problem GAME (385. Game schedule
required)
|
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246. Problem HELP (386. Help the problem
setter)
|
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247. Problem TOURS (387. Travelling tours)
|
|
248. Problem MENU (388. Menu)
|
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249. Problem HOSPITAL
(389. Use of Hospital Facilities)
|
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250. Problem BILLIARD (390. Billiard)
|
|
251. Problem RAILROAD (391. Railroads)
|
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252. Problem SPIN (392. Spin)
|
|
253. Problem HEXAGON (393. Hexagon)
|
|
254. Problem ACODE (394. Alphacode)
|
|
255. Problem APRIME (395. Anti-prime
Sequences)
|
|
256. Problem HITOMISS (396. Hit or Miss)
|
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257. Problem CONDUIT (397. I Conduit)
|
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258. Problem RPGAMES (398. Roll Playing
Games)
|
|
259. Problem TRANK (399. Team Rankings)
|
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260. Problem TOANDFRO (400. To and Fro)
|
|
261. Problem TRANSL (401. Translations)
|
|
262. Problem HIKE (402. Hike on a Graph)
|
|
263. Problem FRACTION (403. Sort
fractions)
|
|
264. Problem SCANNER (404. Scanner)
|
|
265. Problem TCUTTER (405. Tin Cutter)
|
|
266. Problem LOGIC (406. Logic)
|
|
267. Problem RNUMBER (407. Random Number)
|
|
268. Problem JRIDE (408. Jill Rides Again)
|
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269. Problem DELCOMM (409. DEL Command)
|
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270. Problem VHUFFM (410. Variable Radix
Huffman Encoding)
|
|
271. Problem NUMQDW (411. Number of quite
different words)
|
|
272. Problem COVER (412. K-path cover)
|
|
273. Problem WPUZZLES (413. Word Puzzles)
|
|
274. Problem BONFIRE (414. Equatorial
Bonfire)
|
|
275. Problem DIV15 (416. Divisibility by
15)
|
|
276. Problem LAZYPROG (417. The lazy
programmer)
|
|
277. Problem NECKLACE (418. Necklace)
|
|
278. Problem TRANSP (419. Transposing is
Fun)
|
|
279. Problem AROAD (421. Another Road
Problem)
|
|
280. Problem TRANSP2 (422. Transposing is
Even More Fun)
|
|
281. Problem ASSIGN (423. Assignments)
|
|
282. Problem HAJIME (425. Kill evil
instantly)
|
|
283. Problem PARTPALI (428. Particular
Palindromes)
|
|
284. Problem TCNUMFL (449. Simple Numbers
with Fractions Conversion)
|
|
285. Problem CLTZ (515. Collatz)
|
|
286. Problem ZZPERM (518. Zig-Zag
Permutation)
|
|
287. Problem DIV (526. Divisors)
|
|
288. Problem DIV2 (530. Divisors 2)
|
|
289. Problem INCR (598. Increasing
Subsequences)
|
|
290. Problem QUEST4 (660. Dungeon of
Death)
|
|
291. Problem QUEST5 (661. Nail Them)
|
|
292. Problem SUBS (665. String it out)
|
|
293. Problem VOCV (666. Con-Junctions)
|
|
294. Problem LSORT (676. Sorting is not
easy)
|
|
295. Problem BROW (677. A place for the
brewery)
|
|
296. Problem HANOI07 (681. Building the
Tower)
|
|
297. Problem PAIRINT (682. Pairs of
Integers)
|
|
298. Problem ASSIGN4 (684. Another
Assignment Problem)
|
|
299. Problem SEQPAR (685. Partition the
sequence)
|
|
300. Problem REPEATS (687. Repeats)
|
|
301. Problem SAM (688. Toy Cars)
|
|
302. Problem LWAR (693. Lethal Warfare)
|
|
303. Problem DISUBSTR (694. Distinct
Substrings)
|
|
304. Problem UFAST (695. Unite Fast)
|
|
305. Problem LIAR (696. Liar Liar)
|
|
306. Problem MWORDS (697. Matrix Words)
|
|
307. Problem PLHOP (698. Plane Hopping)
|
|
308. Problem HKNAP (699. Huge Knap Sack)
|
|
309. Problem BPRED (700. Branch
Prediction)
|
|
310. Problem EXPAND (702. Barn Expansion)
|
|
311. Problem SERVICE (703. Mobile Service)
|
|
312. Problem PSTRING (704. Remove The
String)
|
|
313. Problem SUBST1 (705. New Distinct
Substrings)
|
|
314. Problem TFSETS (707. Triple-Free
Sets)
|
|
315. Problem NICEDAY (709. The day of the
competitors)
|
|
316. Problem PRO (726. Promotion)
|
|
317. Problem MAXIMUS (729. Move your
armies)
|
|
318. Problem IVAN (734. Ivan and his
interesting game)
|
|
319. Problem MDST (735. Minimum Diameter
Spanning Tree)
|
|
320. Problem TREE (738. Another Counting
Problem)
|
|
321. Problem NEG2 (739. The Moronic
Cowmpouter)
|
|
322. Problem TRT (740. Treats for the
Cows)
|
|
323. Problem STEAD (741. Steady Cow
Assignment)
|
|
324. Problem LPERMUT (744. Longest
Permutation)
|
|
325. Problem TEM (757. Thermal
Luminescence)
|
|
326. Problem CH3D (760. Convex Hull 3D)
|
|
327. Problem MIS (764. Delay-noise
Analysis)
|
|
328. Problem ARCHPLG (780. The
Archipelago)
|
|
329. Problem TRIOPT (827. Trigonometric
optimization)
|
|
330. Problem OPTM (839. Optimal Marks)
|
|
331. Problem WM06 (850. Soccer
Choreography)
|
|
332. Problem SWAPS (861. Counting
inversions)
|
|
333. Problem DNA (866. DNA Translation)
|
|
334. Problem CUBES (867. Perfect Cubes)
|
|
335. Problem IMPORT (869. Galactic Import)
|
|
336. Problem BASE (870. Basically
Speaking)
|
|
337. Problem SEQUENCE (871. Letter
Sequence Analysis)
|
|
338. Problem MARKUP (872. Mark-up)
|
|
339. Problem TRANSMIT (898. Transmitters)
|
|
340. Problem WSCIPHER (899. Ws Cipher)
|
|
341. Problem SPLIT (900. Split Windows)
|
|
342. Problem INDEXGEN (901. Index
Generation)
|
|
343. Problem HANGOVER (902. Hangover)
|
|
344. Problem DOUBLEVI (903. Double Vision)
|
|
345. Problem IMAGE (904. Image Perimeters)
|
|
346. Problem MATRIX2 (912. Submatrix of
submatrix)
|
|
347. Problem QTREE2 (913. Query on a tree
II)
|
|
348. Problem FTOUR (944. Free Tour)
|
|
349. Problem IM (962. Intergalactic Map)
|
|
350. Problem EN (964. Entrapment)
|
|
351. Problem PB (967. Parking Bay)
|
|
352. Problem BIRTHDAY (972. Birthday)
|
|
353. Problem MOBILE (987. Mobile)
|
|
354. Problem MATRIOSH (999. Generalized
Matrioshkas)
|
|
355. Problem EQDIV (1000. Equidivisions)
|
|
356. Problem BROUL (1001. Babylonian
Roulette)
|
|
357. Problem UJ (1002. Uncle Jack)
|
|
358. Problem QUILT (1003. Little Quilt)
|
|
359. Problem POLYCODE (1004. Polygon
Encoder)
|
|
360. Problem AIBOHP (1021. Aibohphobia)
|
|
361. Problem ANGELS (1022. Angels and
Devils)
|
|
362. Problem COMCB (1024. Complete Chess
Boards)
|
|
363. Problem FASHION (1025. Fashion Shows)
|
|
364. Problem FAVDICE (1026. Favorite Dice)
|
|
365. Problem FPOLICE (1027. Fool the
Police)
|
|
366. Problem HUBULLU (1028. Hubulullu)
|
|
367. Problem MATSUM (1029. Matrix
Summation)
|
|
368. Problem EIGHTS (1030. Triple Fat
Ladies)
|
|
369. Problem UPSUB (1031. Up Subsequence)
|
|
370. Problem GSS1 (1043. Can you answer
these queries I)
|
|
371. Problem CTRICK (1108. Card Trick)
|
|
372. Problem SUDOKU (1110. Sudoku)
|
|
373. Problem NSTEPS (1112. Number Steps)
|
|
374. Problem TOE1 (1161. Tic-Tac-Toe ( I
))
|
|
375. Problem TOE2 (1162. Tic-Tac-Toe ( II
))
|
|
376. Problem JAVAC (1163. Java vs C ++)
|
|
377. Problem DEADFR (1166. Dead Fraction)
|
|
378. Problem MINCOUNT (1167. Move To
Invert)
|
|
379. Problem SORTBIT (1182. Sorted bit
squence)
|
|
380. Problem PALACE
(1183. Accomodate the palace)
|
|
381. Problem ORIGLIFE (1267. Origin of
Life)
|
|
382. Problem CNEASY (1268. CN Tower
(Easy))
|
|
383. Problem CNHARD (1269. CN Tower
(Hard))
|
|
384. Problem PNTBYNUM (1270. Paint By
Numbers)
|
|
385. Problem SUMFOUR (1296. 4 values whose
sum is 0)
|
|
386. Problem PARTSUM (1325. Partial Sums)
|
|
387. Problem CHASE (1326. A Chase In
WonderLand)
|
|
388. Problem KPMATRIX (1329. Matrix)
|
|
389. Problem KPMAZE (1335. Maze)
|
|
390. Problem CZ_PROB1 (1391. Summing to a
Square Prime)
|
|
391. Problem EMP (1417. University
Employees)
|
|
392. Problem CATM (1418. The Cats and the Mouse)
|
|
393. Problem NGM (1419. A Game with
Numbers)
|
|
394. Problem GEOM (1420. Geometry and a
Square)
|
|
395. Problem FIRM (1421. Goods)
|
|
396. Problem KPPOLY (1431. Projections Of
A Polygon)
|
|
397. Problem KPSUM (1433. The Sum)
|
|
398. Problem KPEQU (1434. Equation)
|
|
399. Problem PT07X (1435. Vertex Cover)
|
|
400. Problem PT07Y (1436. Is it a tree)
|
|
401. Problem PT07Z (1437. Longest path in
a tree)
|
|
402. Problem ARCTAN (1440. Use of Function
Arctan)
|
|
403. Problem CLEVER (1441. The Clever
Typist)
|
|
404. Problem CHAIN (1442. Strange Food
Chain)
|
|
405. Problem DELCOMM2 (1444. DEL Command
II)
|
|
406. Problem BRCKGAME (1447. A Game of Toy
Bricks)
|
|
407. Problem COVER2 (1448. 3D Cover)
|
|
408. Problem SEQ1 (1451. 01 Sequence)
|
|
409. Problem CAKE (1452. Birthday Cake)
|
|
410. Problem OPTSUB (1453. Optimal
Connected Subset)
|
|
411. Problem MEMDIS (1454. Memory
Distribution)
|
|
412. Problem ANALYSER (1455. Program
Analyser)
|
|
413. Problem BLUEEQ (1457. Help Blue Mary
Please! (Act I))
|
|
414. Problem BLUEEQ2 (1458. Help Blue Mary
Please! (Act II))
|
|
415. Problem AEROLITE (1459. The Secret of
an Aerolite)
|
|
416. Problem GALAXY (1460. A Simple
Calculator in the Galaxy)
|
|
417. Problem DRAGON (1461. Greedy Hydra)
|
|
418. Problem BARB (1462. Barbarians)
|
|
419. Problem ROBOT (1463. Robot Number M)
|
|
420. Problem EDIT3 (1464. Editor II)
|
|
421. Problem CHRIS (1465. On the Way to
Find Chris)
|
|
422. Problem CASHIER (1466. Blue Mary
Needs Help Again)
|
|
423. Problem RAIN2 (1468. Outside it is
now raining)
|
|
424. Problem SEQ2 (1470. Another Sequence
Problem)
|
|
425. Problem PRLGAME (1471. A Game of
Pearls)
|
|
426. Problem TOMJERRY (1472. Tom and
Jerry)
|
|
427. Problem LEMON (1473. Lemon Tree in
the Moonlight)
|
|
428. Problem WORMS (1475. VII - Act IV)
|
|
429. Problem PROFIT (1476. Maximum Profit)
|
|
430. Problem PT07A (1477. Play with a
Tree)
|
|
431. Problem PT07B (1478. The Easiest
Problem)
|
|
432. Problem PT07C (1479. The GbAaY Kingdom)
|
|
433. Problem PT07D (1480. Let us count 1 2
3)
|
|
434. Problem PT07F (1482. A short vacation
in Disneyland)
|
|
435. Problem PT07G (1483. Colorful Lights
Party)
|
|
436. Problem PT07H (1484. Search in XML)
|
|
437. Problem PT07J (1487. Query on a tree
III)
|
|
438. Problem PT07K (1488. Balloons of
JiaJia)
|
|
439. Problem MOLE (1505. Whac-a-Mole)
|
|
440. Problem RSORTING (1526. Ranklist
Sorting)
|
|
441. Problem BLUEEQ3 (1536. Help Blue Mary
Please! (Act III))
|
|
442. Problem MKJUMPS (1538. Making Jumps)
|
|
443. Problem MOBILE2 (1552. Mobiles)
|
|
444. Problem BACKUP (1553. Backup Files)
|
|
445. Problem ZOO (1554. Zoo)
|
|
446. Problem GSS2 (1557. Can you answer
these queries II)
|
|
447. Problem TREEOI14 (1644. Trees)
|
|
448. Problem AMATH (1671. Another
Mathematical Problem)
|
|
449. Problem GIWED (1672. The Great Indian
Wedding)
|
|
450. Problem AMBM (1673. Ambitious
Manager)
|
|
451. Problem EXPLOSN (1674. The Explosion)
|
|
452. Problem FUSION (1675. Fusion Cube)
|
|
453. Problem GEN (1676. Text Generator)
|
|
454. Problem HALLOW (1677. Halloween
treats)
|
|
455. Problem TREASURY (1678. Royal
Treasury)
|
|
456. Problem CYLINDER (1681. Cylinder)
|
|
457. Problem EXPRESS (1683. Expressions)
|
|
458. Problem FREQUENT (1684. Frequent
values)
|
|
459. Problem GROCERY (1685. Grocery store)
|
|
460. Problem LOGIC2 (1687. Logic II)
|
|
461. Problem EASYPROB (1688. A Very Easy
Problem!)
|
|
462. Problem HARDP (1689. Hard Problem)
|
|
463. Problem COCONUTS (1693. Coconuts)
|
|
464. Problem GRC (1695. Grandpa’s Rubik
Cube)
|
|
465. Problem WIJGT (1696. Will Indiana Jones Get
There)
|
|
466. Problem OFORTUNE (1697. Ohgas’
Fortune)
|
|
467. Problem PLSEARCH (1698. Polygonal
Line Search)
|
|
468. Problem NSYSTEM (1699. Numeral
System)
|
|
469. Problem TRSTAGE (1700. Traveling by
Stagecoach)
|
|
470. Problem EOWAMRT (1701. Earth
Observation with a Mobile Robot Team)
|
|
471. Problem CLEANRBT (1702. Cleaning
Robot)
|
|
472. Problem ACMAKER (1703. ACM
(ACronymMaker))
|
|
473. Problem CDOWN (1704. Countdown)
|
|
474. Problem GAMEFIL (1705. The Game of
Efil)
|
|
475. Problem QKP (1706. Queens,
Knights and Pawns)
|
|
476. Problem RELINETS (1707. Reliable
Nets)
|
|
477. Problem SQCOUNT (1708. Square Count)
|
|
478. Problem SWTHIN (1709. Swamp Things)
|
|
479. Problem TWENDS (1710. Two Ends)
|
|
480. Problem PRMLX (1712. Permalex)
|
|
481. Problem SCALE (1713. Funny scales)
|
|
482. Problem NCKLCE (1715. Another
Necklace Problem)
|
|
483. Problem GSS3 (1716. Can you answer
these queries III)
|
|
484. Problem RP (1722. Life, the Universe,
and Everything II)
|
|
485. Problem BMJ (1723. Bee Maja)
|
|
486. Problem TRICOUNT (1724. Counting
Triangles)
|
|
487. Problem IMPORT1 (1725. The
Importance)
|
|
488. Problem EXCHANGE (1726. Exchange)
|
|
489. Problem CPRMT (1728. Common
Permutation)
|
|
490. Problem TCOUNT2 (1730. Counting
Triangles II)
|
|
491. Problem TCOUNT3 (1731. Counting
Triangles III)
|
|
492. Problem EQU2 (1739. Yet Another
Equation)
|
|
493. Problem GERRYMDR (1740.
Gerrymandering)
|
|
494. Problem TETRIS3D (1741. Tetris 3D)
|
|
495. Problem POLEVAL (1744. Evaluate the
polynomial)
|
|
496. Problem SEQPAR2 (1748. Sequence
Partitioning II)
|
|
497. Problem DIVSUM2 (1754. Divisor
Summation (Hard))
|
|
498. Problem NQUEEN (1771. Yet Another
N-Queen Problem)
|
|
499. Problem DETER2 (1772. Find The Determinant
II)
|
|
500. Problem ALL (1774. All Discs
Considered)
|
|
501. Problem BOOLE (1775. Boolean Logic)
|
|
502. Problem DNALAB (1776. DNA Laboratory)
|
|
503. Problem ICAMPSEQ (1784. IOICamp
Sequence)
|
|
504. Problem CODE (1785. Code)
|
|
505. Problem DANGER (1786. In Danger)
|
|
506. Problem ENCONDIN (1787. Run Length
Encoding)
|
|
507. Problem FRACTAN (1788. Fractan)
|
|
508. Problem GREEDULM (1789. Huffmanś
Greed)
|
|
509. Problem HEAPULM (1790. Binary Search
Heap Construction)
|
|
510. Problem GEN2 (1793. Text Generater
II)
|
|
511. Problem DRAGON2 (1794. Greedy Hydra
II)
|
|
512. Problem CARD (1797. Cardsharper)
|
|
513. Problem ASSIST (1798. Assistance
Required)
|
|
514. Problem BOTTOM (1799. The Bottom of a
Graph)
|
|
515. Problem CONTEST (1800. Fixed
Partition Contest Management)
|
|
516. Problem DRINK (1801. Drink, on Ice)
|
|
517. Problem EDGE (1802. Edge)
|
|
518. Problem FOLD (1803. Fold)
|
|
519. Problem GENETIC (1804. Genetic Code)
|
|
520. Problem HISTOGRA (1805. Largest
Rectangle in a Histogram)
|
|
521. Problem ORZ (1810. Nuclear Plants)
|
|
522. Problem LCS (1811. Longest Common
Substring)
|
|
523. Problem LCS2 (1812. Longest Common
Substring II )
|
|
524. Problem WA (1815. Problems Collection
(Volume X))
|
|
525. Problem FTOUR2 (1825. Free tour II)
|
|
526. Problem SUDOKU2 (1833. Sudoku)
|
|
527. Problem SETSTACK (1835. The SetStack
Computer)
|
|
528. Problem PIE (1837. Pie)
|
|
529. Problem TICKET (1838. Ticket to Ride)
|
|
530. Problem BOOKCASE (1839. The Bookcase)
|
|
531. Problem PQUEUE (1840. Printer Queue)
|
|
532. Problem PPATH (1841. Prime Path)
|
|
533. Problem LINELAND (1842. Lineland Airport)
|
|
534. Problem LEONARDO (1843. Leonardo
Notebook)
|
|
535. Problem MICEMAZE (1845. Mice and
Maze)
|
|
536. Problem PFDEP (1846. Project File
Dependencies)
|
|
537. Problem NOCHANGE (1847. No Change)
|
|
538. Problem MKWAVES (1865. Making Waves)
|
|
539. Problem MKPALS (1866. Making Pals)
|
|
540. Problem MKMONEY (1868. Making Money)
|
|
541. Problem MKMOOM (1869. Making
Mountains Out Of Molehills)
|
|
542. Problem MKLABELS (1870. Making
Labels)
|
|
543. Problem MKBUDGET (1871. Making A
Budget)
|
|
544. Problem ACARGO (1873. Accumulate
Cargo)
|
|
545. Problem BWHEELER (1874. Burrows
Wheeler Precompression)
|
|
546. Problem COOLNUMS (1875. Cool Numbers)
|
|
547. Problem DRAGONCU (1876. Dragon
Curves)
|
|
548. Problem EPURSE (1877. Enrich my
purse)
|
|
549. Problem FCATTLE (1878. Farmers
Cattle)
|
|
550. Problem GAMETIME (1879. Game Time)
|
|
551. Problem HANOICAL (1880. Hanoi Calls)
|
|
552. Problem ICODER (1881. Instruction
Decoder)
|
|
553. Problem RECTANGL (1960. Rectangles)
|
|
554. Problem ROMANRDS (1961. Roman Roads)
|
|
555. Problem CIRCLES (1962. Circles)
|
|
556. Problem IMGPROJ (1963. Image
Projections)
|
|
557. Problem MMCUT (1964. Tree cut)
|
|
558. Problem SETCOV (1965. Set Cover)
|
|
559. Problem SKIVALL (1966. Ski Valley)
|
|
560. Problem ACFRAC (1991. Another
Continuous Fractions Problem)
|
|
561. Problem BOX (2000. Boxes (Hard))
|
|
562. Problem RNG (2002. Random Number
Generator)
|
|
563. Problem MINUS (2005. Minus Operation)
|
|
564. Problem BALIFE (2006. Load Balancing)
|
|
565. Problem COUNT (2007. Another Very
Easy Problem! WOW!!!)
|
|
566. Problem BACKPACK (2008. Dab of
Backpack)
|
|
567. Problem CRYPTO (2009. Cryptography)
|
|
568. Problem ROLLBALL (2019. The Rolling
Ball)
|
|
569. Problem PEBBMOV (2021. Moving
Pebbles)
|
|
570. Problem TRUTHORL (2022. Truth Or Lie)
|
|
571. Problem ONEINSTR (2023. One
Instruction Computer Simulator)
|
|
572. Problem YKH (2031. Please help
You-Know-Who)
|
|
573. Problem TILING (2038. Rectangle
Tiling)
|
|
574. Problem REMGAME (2047. Stone Removing
Game)
|
|
575. Problem CERC07B (2050. Strange
Billboard)
|
|
576. Problem CERC07C (2051. Cell Phone)
|
|
577. Problem CERC07H (2052. Hexagonal Parcels)
|
|
578. Problem CERC07K (2053. Key Task)
|
|
579. Problem CERC07L (2054. Gates of
Logic)
|
|
580. Problem CERC07N (2055. Weird Numbers)
|
|
581. Problem CERC07P (2056. Rectangular
Polygon)
|
|
582. Problem CERC07R (2058. Reaux! Sham!
Beaux!)
|
|
583. Problem CERC07S (2059. Robotic Sort)
|
|
584. Problem CERC07W (2060. Tough Water
Level)
|
|
585. Problem MINDIST (2070. Minimum
Distance)
|
|
586. Problem CANDY (2123. Candy I)
|
|
587. Problem FCTRL4 (2124. Last Non-Zero
Digit of Factorials)
|
|
588. Problem LABYR2 (2125. Number
Labyrinth)
|
|
589. Problem PANEL (2126. Panel)
|
|
590. Problem RAIN3 (2127. Rain)
|
|
591. Problem KROW (2128. K-In-A-Row)
|
|
592. Problem CAKE2 (2129. Cake)
|
|
593. Problem TROLLS (2130. Trolls)
|
|
594. Problem GETBACK (2131. Get Back!)
|
|
595. Problem PUZZLE2 (2132. Puzzle)
|
|
596. Problem CANDY2 (2136. Candy II)
|
|
597. Problem PIB (2138. Pibonacci)
|
|
598. Problem GOSSIPER (2139. Gossipers)
|
|
599. Problem FAIRONOT (2140. (un)Fair
Play)
|
|
600. Problem GARDEN
(2141. Golden Garden)
|
|
601. Problem DEPEND (2143. Dependency
Problems)
|
|
602. Problem ROOT (2147. Root of a Linear
Equation)
|
|
603. Problem CANDY3 (2148. Candy III)
|
|
604. Problem BAISED (2149. Biased
Standings)
|
|
605. Problem SUBSEQ (2150. Counting
Subsequences)
|
|
606. Problem CALCULAT (2151. Digital
Calculator)
|
|
607. Problem FRACTAL (2152. Hilbert Curve)
|
|
608. Problem IMATCH (2153. Internet is
Faulty)
|
|
609. Problem KRUSKAL (2154. Kruskal)
|
|
610. Problem ABSYS (2157. Anti-Blot
System)
|
|
611. Problem CAKE3 (2159. Delicious Cake)
|
|
612. Problem HERE (2160. Here-There)
|
|
613. Problem JPIX (2161. Pixel Shuffle)
|
|
614. Problem TOWER
(2162. Towers of Powers)
|
|
615. Problem AMCODES (2171. Ambiguous
Codes)
|
|
616. Problem EMOTICON (2175. Emoticons)
|
|
617. Problem MUSIC (2185. Musical
Optimization)
|
|
618. Problem MKPAIRS (2189. Making Pairs)
|
|
619. Problem TAN1 (2202. Tan and His
Interesting Game)
|
|
620. Problem BALLOON (2270. Balloons in a
Box)
|
|
621. Problem UCODES (2271. Undecodable
Codes)
|
|
622. Problem DESERT
(2272. Crossing the Desert)
|
|
623. Problem FERRY (2273. Ferries)
|
|
624. Problem ISLHOP (2274. Island Hopping)
|
|
625. Problem OIL (2275. Toil for Oil)
|
|
626. Problem RECTNG2 (2276. Partitions)
|
|
627. Problem SSORT (2277. Silly Sort)
|
|
628. Problem LEXBRAC (2317. Bracket
Sequence)
|
|
629. Problem WORDS (2318. Overlapping
Words)
|
|
630. Problem BIGSEQ (2319. Sequence)
|
|
631. Problem DISTANCE (2320. Manhattan)
|
|
632. Problem SEGMENTS (2321. Segments)
|
|
633. Problem TREEGAME (2322. Tree Game)
|
|
634. Problem COMPASS (2323. Broken
Compass)
|
|
635. Problem MARIOGAM (2324. Mario)
|
|
636. Problem STRDIST (2325. String
Distance)
|
|
637. Problem LIS2 (2371. Another Longest
Increasing Subsequence Problem)
|
|
638. Problem ARRANGE (2412. Arranging
Amplifiers)
|
|
639. Problem BUILD (2413. Building
Beacons)
|
|
640. Problem CCOST (2414. Calculate The
Cost)
|
|
641. Problem RESIST (2415. Kirchhof Law)
|
|
642. Problem DSUBSEQ (2416. Distinct
Subsequences)
|
|
643. Problem ENEMY (2417. Eliminate The
Enemies)
|
|
644. Problem FFROG (2418. Flying Frogs)
|
|
645. Problem GLGRID (2419. G-Line Grid)
|
|
646. Problem HHAND (2420. Hospital at
Hands)
|
|
647. Problem ININT (2421. Incrementing The
Integer)
|
|
648. Problem JAZZYJOB (2422. Jazzy Job)
|
|
649. Problem MINTRIAN (2423. Minimal
Triangulations of Graphs)
|
|
650. Problem PLD (2426. Palindromes)
|
|
651. Problem RABBIT1 (2450. Counting
Rabbits)
|
|
652. Problem PHONELIN (2485. Phone Lines)
|
|
653. Problem MAGIC4 (2511. Magic Program
IV)
|
|
654. Problem GNY07A (2523. Mispelling)
|
|
655. Problem GNY07B (2524. Conversions)
|
|
656. Problem GNY07C (2525. Encoding)
|
|
657. Problem GNY07D (2526. Decoding)
|
|
658. Problem GNY07E (2527. Flipping Burned
Pancakes)
|
|
659. Problem GNY07F (2528. Monkey Vines)
|
|
660. Problem GNY07G (2529. Model Rocket
Height)
|
|
661. Problem GNY07H (2530. Tiling a Grid
With Dominoes)
|
|
662. Problem GNY07I (2531. Spatial
Concepts Test)
|
|
663. Problem PERMUT3 (2565. Another
Permutation Problem)
|
|
664. Problem CLK (2631. Chomp)
|
|
665. Problem SC1 (2643. Starcraft I)
|
|
666. Problem KPARCH (2648. Archiver)
|
|
667. Problem KPSORT (2649. Weird sorting)
|
|
668. Problem WAR (2658. Art of War)
|
|
669. Problem EXAMPLE (2660. Example)
|
|
670. Problem ILLUM (2661. Illumination)
|
|
671. Problem PUTIN (2662. Put a Point in a
Hyperspace)
|
|
672. Problem QTREE4 (2666. Query on a tree
IV)
|
|
673. Problem POLYSSQ (2668. Polygon)
|
|
674. Problem MSTS (2670. Count Minimum
Spanning Trees)
|
|
675. Problem SPP (2699. Recursive Sequence
(Version II))
|
|
676. Problem UNTITLED (2709. Untitled
Problem)
|
|
677. Problem COWCAR (2714. Cow Cars)
|
|
678. Problem GLASNICI (2715. Glasnici)
|
|
679. Problem QUADAREA (2716. Maximal
Quadrilateral Area)
|
|
680. Problem ARMY (2727. Army Strength)
|
|
681. Problem BREAK (2728. Breaking in)
|
|
682. Problem INVENT (2731. Inventing Test
Data)
|
|
683. Problem KEQ (2733. K Equal Digits)
|
|
684. Problem LARGE (2734. Large party)
|
|
685. Problem RAIL (2735. Simplify the
Railroad System)
|
|
686. Problem PRHYME (2737. Perfect Rhyme)
|
|
687. Problem SUMSUMS (2742. Summing Sums)
|
|
688. Problem PRETILE (2743. Prefix Tiling)
|
|
689. Problem INCSEQ (2815. Increasing
Subsequences)
|
|
690. Problem CSUBSEQS (2816. Common
Subsequences)
|
|
691. Problem INCDSEQ (2817. Distinct
Increasing Subsequences)
|
|
692. Problem RRSCHED (2826. Round-Robin
Scheduling)
|
|
693. Problem TLE (2829. Time Limit
Exceeded)
|
|
694. Problem DETER3 (2832. Find The
Determinant III)
|
|
695. Problem SDGAME (2833. Super Dice
Game)
|
|
696. Problem MLE (2835. Memory Limit
Exceeded)
|
|
697. Problem BROKEN (2852. Broken
Keyboard)
|
|
698. Problem PDECODE (2853. Decode the
Strings)
|
|
699. Problem FOREST2 (2855. Forest)
|
|
700. Problem HELPBOB (2856. Help Bob)
|
|
701. Problem SDGAME2 (2877. Another
understanding of Super Dice Game)
|
|
702. Problem KNIGHTS (2878. Knights of the
Round Table)
|
|
703. Problem DOCTOR (2879. The Cow Doctor)
|
|
704. Problem WILD (2880. Wild West)
|
|
705. Problem CLONE (2881. Find the Clones)
|
|
706. Problem WARE (2882. The Warehouse)
|
|
707. Problem WIDGET (2883. Widget Factory)
|
|
708. Problem MARTIAN (2884. Martian
Mining)
|
|
709. Problem WORDRING (2885. Word Rings)
|
|
710. Problem PARTY2 (2898. Party of Cloaked
Killers)
|
|
711. Problem VOL (2899. Volunteers)
|
|
712. Problem GEOPROB (2901. One Geometry
Problem)
|
|
713. Problem TRANSP1 (2903.
Transportation)
|
|
714. Problem NOTATRI (2905. Not a
Triangle)
|
|
715. Problem GCD2 (2906. GCD2)
|
|
716. Problem GSS5 (2916. Can you answer
these queries V)
|
|
717. Problem QTREE5 (2939. Query on a tree
V)
|
|
718. Problem UNTITLE1 (2940. Untitled
Problem II)
|
|
719. Problem SHOOTING (2944. Emmons)
|
|
720. Problem ECLIPSE (2946. Eclipse)
|
|
721. Problem PAINTBLK (2962. Painting
Blocks (Act I))
|
|
722. Problem PAINTBLC (2963. Painting
Blocks (Act II))
|
|
723. Problem ELECTRO (3002.
Electrophoretic)
|
|
724. Problem FILTER (3003. Median Filter)
|
|
725. Problem LIFEGAME (3004. Life Game)
|
|
726. Problem LAND
(3005. Subdividing a Land)
|
|
727. Problem LINE (3006. Connect Line
Segments)
|
|
728. Problem OILCOMP (3007. Oil Company)
|
|
729. Problem RPS (3008. Finding the Top
RPS Player)
|
|
730. Problem VORONOI (3009. Revenge of
Voronoi)
|
|
731. Problem WALL (3010. Castle Wall)
|
|
732. Problem SOLDIER (3033. Help the
soldier)
|
|
733. Problem SEQ5 (3070. How many
subsequences)
|
|
734. Problem MOD (3105. Power Modulo
Inverted)
|
|
735. Problem DICTSUB (3106. Dictionary
Subsequences)
|
|
736. Problem ODDDIV (3107. Odd Numbers of
Divisors)
|
|
737. Problem GRAPHGAM (3108. Charlesbert
and Merangelou)
|
|
738. Problem STRLCP (3109. Longest Common
Prefix)
|
|
739. Problem PALNUM (3110. Palindromic
Number)
|
|
740. Problem STABARDS (3111. Stabards)
|
|
741. Problem STSTRING (3112. Strings)
|
|
742. Problem GORELIAN (3133. Here We
Go(relians) Again)
|
|
743. Problem PERMSG (3166. Permutation
Exponentiation)
|
|
744. Problem LINES (3184. Game of Lines)
|
|
745. Problem DOORSPEN (3195. Doors and
Penguins)
|
|
746. Problem PALIM (3208. Yet Another
Longest Palindrome Problem)
|
|
747. Problem TYPESET (3249. Typesettin)
|
|
748. Problem SLINK (3251. Slink)
|
|
749. Problem EDS (3253. Electronic
Document Security)
|
|
750. Problem GUARD (3254. Guard)
|
|
751. Problem RACETIME (3261. Race Against
Time)
|
|
752. Problem SA04C (3305. Roman
Patrollers)
|
|
753. Problem SA04D (3306. Very Special
Boxes )
|
|
754. Problem HEXTILE (3307. Hex Tile
Equations)
|
|
755. Problem BRIDGES2 (3308. The Bridges
of San Mochti)
|
|
756. Problem BULLETIN (3309. Bulletin
Board)
|
|
757. Problem SERIALN (3310. Serial
Numbers)
|
|
758. Problem UMNOZAK (3314. Umnozak)
|
|
759. Problem DOUBLE (3322. Doubled
Numbers)
|
|
760. Problem HIGHWAY (3347. Cestarine)
|
|
761. Problem STACK (3359. Stack)
|
|
762. Problem IMGREC2 (3360. Digital Image
Recognition)
|
|
763. Problem SVADA (3363. Svada)
|
|
764. Problem ROUNDT (3372. Round Table)
|
|
765. Problem PERMCODE (3373. Permutation
Code)
|
|
766. Problem SCAVHUNT (3374. Scavenger
Hunt)
|
|
767. Problem STAMPS (3375. Stamps)
|
|
768. Problem PARKINGL (3376. Parking Lot)
|
|
769. Problem BUGLIFE (3377. A Bug’s Life)
|
|
770. Problem MIRRORED (3378. Mirrored
Pairs)
|
|
771. Problem SSHUFFLE (3379. String
Shuffle)
|
|
772. Problem TOURIST (3380. Tourist)
|
|
773. Problem HIGHWAYS (3381. Highways)
|
|
774. Problem MONSTER (3382. Monster Trap)
|
|
775. Problem YODA (3385. Yoda Goes
Palindromic !)
|
|
776. Problem QUALITY (3386. Contest System
Quality Assurance Tester)
|
|
777. Problem CHMAZE (3387. Changing Maze)
|
|
778. Problem DNPALIN (3388. Double Near
Palindromes)
|
|
779. Problem KNIGHTSR (3389. The Knights
of the Round Circle)
|
|
780. Problem TRIBE2 (3390. Tribe Council)
|
|
781. Problem NOTOKNOT (3393. Knot or Not)
|
|
782. Problem LAGRANGE (3394. Lagrange’s Four-Square
Theorem)
|
|
783. Problem SAMER08A (3405. Almost
Shortest Path)
|
|
784. Problem SAMER08B (3406. Bases)
|
|
785. Problem SAMER08C (3407. Candy)
|
|
786. Problem SAMER08D (3408. DNA
Sequences)
|
|
787. Problem SAMER08E (3409. Electricity)
|
|
788. Problem SAMER08F (3410. Feynman)
|
|
789. Problem SAMER08G (3411. Pole
Position)
|
|
790. Problem SAMER08H (3412. Higgs Boson)
|
|
791. Problem SAMER08I (3413. Traveling
Shoemaker Problem)
|
|
792. Problem SAMER08J (3414. Bora Bora)
|
|
793. Problem SAMER08K (3415. Shrinking
Polygons)
|
|
794. Problem FALLINGI (3420. Falling Ice)
|
|
795. Problem OROSNAKE (3426. Ouroboros
Snake)
|
|
796. Problem HIST2 (3436. Histogram)
|
|
797. Problem LASTDIG (3442. The last
digit)
|
|
798. Problem CEPC08B (3459. SkyScrapers)
|
|
799. Problem RAMP (3462. The Skateparkś
New Ramps)
|
|
800. Problem DRIVE (3465. Drive through MegaCity)
|
|
801. Problem DEPOSIT (3476. Deposit)
|
|
802. Problem BABY (3477. Baby)
|
|
803. Problem BEGIN (3483. Begin)
|
|
804. Problem CROSSBIT (3484. Crossbits)
|
|
805. Problem ELIM (3486. Elimination)
|
|
806. Problem TOPCODE (3488. The Top-Code)
|
|
807. Problem HIDTRI (3490. Hidden
Triangle)
|
|
808. Problem BRAILLE (3492. Braille
Transcription)
|
|
809. Problem NBLTHIEF (3495. The Nobel
Thief)
|
|
810. Problem MATRICA (3543. Matrica)
|
|
811. Problem BST (3544. Binary Search
Tree)
|
|
812. Problem NAJKRACI (3545. Najkraci)
|
|
813. Problem BOYSCOUT (3576. Boy Scouts)
|
|
814. Problem PARITY (3577. Parity)
|
|
815. Problem HASH (3578. Hashing)
|
|
816. Problem DISJPATH (3579. Disjoint
Paths)
|
|
817. Problem COMPANY (3580. Company)
|
|
818. Problem TREESIM (3581. Tree
Similarity)
|
|
819. Problem RSTAURNT (3582. Restaurant
Tab)
|
|
820. Problem PATHEADS (3591. Patting
Heads)
|
|
821. Problem CATTLEB (3678. Cattle
Bruisers)
|
|
822. Problem MOOPIZZA (3679. Moo University
- Emergency Pizza Order)
|
|
823. Problem KGSS (3693. Maximum Sum)
|
|
824. Problem PROOT (3713. Primitive Root)
|
|
825. Problem SNOOKER (3723. Snooker)
|
|
826. Problem RAINBOW (3724. Rainbow Ride)
|
|
827. Problem TREX (3725. Taming a T-REX)
|
|
828. Problem SUBSUMS (3749. Subset Sums)
|
|
829. Problem GEORGE (3763. George)
|
|
830. Problem STREET (3791. Street)
|
|
831. Problem LUBEN (3831. Lubenica)
|
|
832. Problem KRUS (3832. Kruska)
|
|
833. Problem TRES (3833. Tresnja)
|
|
834. Problem VCIRCLES (3863. Area of
circles)
|
|
835. Problem RELJEF (3865. Reljef)
|
|
836. Problem VPALIN (3866. Finding
Palindromes)
|
|
837. Problem VBOSS (3867. Who is The Boss)
|
|
838. Problem VMILI (3870. Military Story)
|
|
839. Problem GCDEX (3871. GCD Extreme)
|
|
840. Problem VPARTY (3872. Party At
School)
|
|
841. Problem WHEN (3884. When (You
Believe))
|
|
842. Problem BOBALLS (3894. Bouncing
Balls)
|
|
843. Problem BYTESE1 (3920. Lucius
Dungeon)
|
|
844. Problem BYTESE2 (3921. The Great Ball)
|
|
845. Problem BYTESM1 (3922. Mystical River)
|
|
846. Problem BYTESM2 (3923. Philosophers
Stone)
|
|
847. Problem BYTESH1 (3924. Filchs
Dilemna)
|
|
848. Problem FROGGER (3999. FROGGER)
|
|
849. Problem GALLUP (4000. GALLUP)
|
|
850. Problem SUBWAYPL (4003. Subway
planning)
|
|
851. Problem CPU (4004. Exploding CPU)
|
|
852. Problem PHONELST (4033. Phone List)
|
|
853. Problem CUCKOO (4036. Cuckoo Hashing)
|
|
854. Problem KPGAME (4060. A game with
probability)
|
|
855. Problem MORPH (4069. Morphing is Fun)
|
|
856. Problem TWOPROF (4070. Two
Professors)
|
|
857. Problem EPALIN (4103. Extend to
Palindrome)
|
|
858. Problem FASTFLOW (4110. Fast Maximum
Flow)
|
|
859. Problem ELLIPSE (4142. Ellipse)
|
|
860. Problem DOMINO2 (4157. Domino)
|
|
861. Problem HS08PAUL (4164. A conjecture
of Paul Erdős)
|
|
862. Problem HS08FOUR (4166. Four colors)
|
|
863. Problem SQFREE (4168. Square-free
integers)
|
|
864. Problem DROOT (4172. Multiplicative
digital root)
|
|
865. Problem KPURSUIT (4176. A Knightly
Pursuit)
|
|
866. Problem HERDING (4177. Herding)
|
|
867. Problem LATTICE (4178. Distance on a
square lattice)
|
|
868. Problem TEMPTISL (4179. Temptation Island)
|
|
869. Problem FCANDY (4182. Candy (Again))
|
|
870. Problem CCCCUBE (4185. Cube)
|
|
871. Problem HS08CODE (4186. Break a New
RSA system)
|
|
872. Problem HS08EQ (4188. Amazing
equality)
|
|
873. Problem LANDING (4189. Landing)
|
|
874. Problem DOMINOES (4197. Dominoes)
|
|
875. Problem LEGO (4198. Lego)
|
|
876. Problem HAMSTER1 (4200. Hamster flight)
|
|
877. Problem RATING (4201. Coder Ratings)
|
|
878. Problem BRPAR (4202. Brackets Parade)
|
|
879. Problem MATCHING (4206. Fast Maximum
Matching)
|
|
880. Problem QUEEN (4235. Wandering Queen)
|
|
881. Problem TTTABLE (4273. Train
TimeTable)
|
|
882. Problem AE3A (4305. Drilling)
|
|
883. Problem VOTE (4323. Voting Districts)
|
|
884. Problem EVERLAST (4324. The fate of
the pineapple)
|
|
885. Problem EBOXES (4343. Empty Boxes)
|
|
886. Problem MATRIX1 (4357. Enter the
Matrix)
|
|
887. Problem DAGCNT (4407. Counting
Arborescence)
|
|
888. Problem FENCE1 (4408. Build a Fence)
|
|
889. Problem AREA1 (4409. Circle vs
Triangle)
|
|
890. Problem REPAIR1 (4410. Repair the
Door)
|
|
891. Problem EXPR3 (4411. Counting
Expressions)
|
|
892. Problem FACTOR1 (4412. Factorization,
Factorization, Factorization)
|
|
893. Problem GEM (4413. Gem)
|
|
894. Problem HIGHWAY1 (4414. Highway)
|
|
895. Problem INTEGER1 (4415. Power of
Integer)
|
|
896. Problem JUMP1 (4416. Jumping Hands)
|
|
897. Problem KPGRAPHS (4420. Counting
Graphs)
|
|
898. Problem GF2 (4421. Irreducible
polynomials over GF2)
|
|
899. Problem MIB (4429. Spelling Lists)
|
|
900. Problem ARITH2 (4452. Simple
Arithmetics II)
|
|
901. Problem BOBALLS2 (4453. Bouncing
Balls II)
|
|
902. Problem BRCKTS2 (4454. Brackets II)
|
|
903. Problem MOVIE (4455. Going to the
Movies)
|
|
904. Problem AIRLINES (4456. Jumbo
Airlines)
|
|
905. Problem SHOP2 (4457. Shopping II)
|
|
906. Problem TITATO (4460. Tic Tac Toe -
Best Move)
|
|
907. Problem ANTTT (4465. The Ant)
|
|
908. Problem PLAYFAIR (4476. Playfair
Cracker)
|
|
909. Problem EXPR4 (4478. Counting
Expressions II)
|
|
910. Problem GSS6 (4487. Can you answer
these queries VI)
|
|
911. Problem PGCD (4491. Primes in GCD
Table)
|
|
912. Problem MAGIC1 (4492. Magic1)
|
|
913. Problem EQUAD1 (4493. Equation)
|
|
914. Problem UCI2009B (4523. Binomial
Coefficients)
|
|
915. Problem UCI2009D (4525. Digger
Octaves)
|
|
916. Problem FROGS (4528. Frog Wrestling)
|
|
917. Problem BANDMATR (4533. Determinant
of Banded Matrices)
|
|
918. Problem ANARC08A (4546. Tobo or not
Tobo)
|
|
919. Problem ANARC08B (4549. Adding
Sevens)
|
|
920. Problem ANARC08C (4551. Match Maker)
|
|
921. Problem ANARC08D (4552. Adding up
Triangles)
|
|
922. Problem ANARC08E (4554. Relax! It is
just a game)
|
|
923. Problem ANARC08F (4555.
Einbahnstrasse)
|
|
924. Problem ANARC08G (4556. Think I will
Buy Me a Football Team)
|
|
925. Problem ANARC08H (4557. Musical
Chairs)
|
|
926. Problem ANARC08I (4558. I Speak
Whales)
|
|
927. Problem ANARC08J (4559. A Day at the
Races)
|
|
928. Problem LQDRECT (4566. Đe^’m hinh
chu+~ nhât)
|
|
929. Problem CYCLERUN (4574. Riding in
cycles)
|
|
930. Problem ABCDEF (4580. ABCDEF)
|
|
931. Problem GCJ08C (4585. Star Wars)
|
|
932. Problem WLOO0707 (4586. Texas Trip)
|
|
933. Problem FENCE3 (4587. Electric
Fences)
|
|
934. Problem NWERC04H (4588. SETI)
|
|
935. Problem PMATRIX (4644. Proving
Equivalences)
|
|
936. Problem CCROSS (4656. Cross Mountain
Climb)
|
|
937. Problem GASWARS (4657. Gas Wars)
|
|
938. Problem HHEMANT (4658. Help Hemant
Verma)
|