比赛看不懂 之后不确定题意去瞄了题解,需要分类讨论?囧 之后按照队友已经ac的题意 就是求外面一圈周长,直接可以求得 #include<bits/stdc++.h> using namespace std; #define sz(X) ((int)X.size()) typedef long long ll; const int INF = 0x3f3f3f3f; const int N = 3e5+5; const double pi = acos(-1.0); const double e…
A HHPaint B Square Root C Interesting Places D Road to Home E Ant and apples F Square G Pair H The Fence I Painting the natural numbers J Selection K Parquet L Closing the Loop…
https://community.mindjet.com/mindjet/topics/ensure-2017-64-bit-version-installation Mindmanager should automatically pick same bit rate version based on MS office Bit version while installing.The combined installer detects the bit version of Microso…
A 读题题 B 就是你排名第p,得了x分,而最终至少需要y分,你需要最少的successful hack,使得最终得分s>=y,且由s随机取25个数,使p被选中. (1)暴力枚举hack成功几次,失败几次就好了 (2)另解:枚举尽可能小的s,使|s-x|=0(mod 50),分类讨论 If s ≤ x, we need 0 successful hacks, since we can just make (x - s) / 50 unsuccessful hacks. If s > x and…
目录 @description@ @solution@ @accepted code@ @details@ @description@ 在平面直角坐标系中,给定一个左下角为 (0, 0),右上角为 (Xp, Yp) 的矩形,并给定矩形内的 N 个点. 已知坐标系内有一个 K 边形,现将这个 K 边形平移. 问有多少种方案使最后 K 边形落入给定的矩形,定点在整数点上,且不包含 N 个点中的任意一个(与 K 边形的边.顶点重合也算包含). input 第一行包含三个整数 Xp, Yp, N (1…
Educational Codeforces Round 41 (Rated for Div. 2) E. Tufurama (CDQ分治 求 二维点数) time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output One day Polycarp decided to rewatch his absolute favourite epi…
Season 1, Episode 22: Flight -Franklin: You know you got a couple of foxes in your henhouse, right? fox: 狐狸 henhouse: 鸡舍 你的队伍里都是一群狐狸 -Michael: They both want out of here. both: 两者都 他们都想出去 They'll behave until then. behave: 举止端正 出去前都会安分的 -Franklin: Lo…