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Giới thiệu trang tin học cơ bản

Cảnh đẹp Phú Quốc - Dinh Cậu.

Sphere Online Judge classical problems

Table of Contents 1. Problem TEST (1. Life, the Universe, and Everything) 2. Problem PRIME1 (2. Prime Generator) 3. Problem SBSTR1 (3. Substring Check (Bug Funny)) 4. Problem ONP (4. Transform the Expression) 5. Problem PALIN (5. The Next Palindrome) 6. Problem ARITH (6. Simple Arithmetics) 7. Problem BULK (7. The Bulk!) 8....