摘要:
codeforces 1325 E Ehab's REAL Number Theory Problem 原题: "E. Ehab's REAL Number Theory Problem" 题意: 1. Every element in this array has at most 7 diviso 阅读全文
摘要:
codeforces Round680 C. Division 题解 题目 Oleg's favorite subjects are History and Math, and his favorite branch of mathematics is division. To improve hi 阅读全文