atcoder subset 062c agc
[AtCoder] B - Counting Grids
The key observation is that there is always at most 1 cell that violates both conditions. Proof: if x violates both conditions, that means all other n ......
AtCoder Beginner Contest 141
AtCoder Beginner Contest 141 D - Powerful Discount Tickets 贪心 + 堆 #include <bits/stdc++.h> #define ll long long using namespace std; const int N = 1e5 ......
AtCoder Beginner Contest 294
题解报告 基本的一些理解和问题都在注释中 A:Filter //水题 #include <cstdio> #include <algorithm> #include <cstring> #include <iostream> using namespace std; int main(void) { ......