数论 6

• Codeforces - 1152C - Neko does Maths Apr 25, 2019
• POJ2689 - Prime Distance - 数论 Jun 13, 2018
• Codeforces-987B - High School: Become Human - 数论 May 30, 2018
• ARC-060D - Digit Sum - 数论 May 20, 2018
• 扩展BSGS - 模板 - 数论 Jan 23, 2018
• UPCOJ-5333 - 大佬 - 数学期望 Jan 23, 2018