Educational Codeforces Round 119 (Rated for Div. 2) (A/B/C/E) 题解


完整代码:https://github.com/abmcar/ACM/tree/master/OpenjudgeNow/Codeforces/Educational%20Codeforces%20Round%20119%20(Rated%20for%20Div.%202)A. Equal or No

Codeforces Round #762 (Div. 3) (A-E) 题解


完整源代码:https://github.com/abmcar/ACM/tree/master/OpenjudgeNow/Codeforces/Codeforces%20Round%20%23762%20(Div.%203)A. Square String?题目大意:给你一个字符串,让你判断这个字符

[Codeforces]Hello 2022(A-C)题解


完整源代码:https://github.com/abmcar/ACM/tree/master/OpenjudgeNow/Codeforces/Hello%202022前排提示:本场的题十分之恶心人,不建议做A. Stable Arrangement of Rooks题目大意:给你一个大小n * n

Educational Codeforces Round 120 (Rated for Div. 2) (A-C) 题解


完整代码:https://github.com/abmcar/ACM/tree/master/OpenjudgeNow/Codeforces/Educational%20Codeforces%20Round%20120%20(Rated%20for%20Div.%202)A. Construct a

Codeforces Round #763 (Div. 2) (A-C) 题解


源代码:https://github.com/abmcar/ACM/tree/master/OpenjudgeNow/Codeforces/Codeforces%20Round%20%23763%20(Div.%202)cf合集:https://github.com/abmcar/ACM/tree/

Codeforces Round #701 (Div. 2) C. Floor and Mod (数学/思维/整除分块)


折跃坐标:https://codeforces.com/contest/1485/problem/C题面:题目大意:(下文中$\frac ab$均为向下取整)给你一个x,y (1 ≤ x, y ≤ 10e9)问有多少个(a,b)满足$\frac ab = a\quad mod \quad b \qu