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标签： CodeForces

比赛链接：Dashboard – Educational Codeforces Round 135 (Rate […]

比赛链接：Codeforces Round #818 (Div. 2) D读假题，演了一个多小时。 A.Mad […]

题意题目链接：https://codeforces.com/contest/1168/problem/A 题 […]

题意题目链接Codeforces Round #813 (Div. 2) – D. Empty Graph […]

题目链接：CF1722G. Even-Odd XOR 很菜，div4打三百多名，不过排名跟第一场div4没什么 […]

比赛链接：Dashboard – Educational Codeforces Round 131 (Rate […]

比赛链接：Dashboard – Codeforces Round #806 (Div. 4) – Codef […]

题意题目链接：Problem – 1372C – Codeforces 输入 t 表示 t 组数据，每组数据 […]

题意题目链接：Problem – D – Codeforces 输入正整数 $n(2\leq n\leq 2 […]

比赛链接：Dashboard – Codeforces Round #805 (Div. 3) – Codef […]