The part of the white sheet can be seen if there is at least one point lying not strictly inside the white sheet and strictly outside of both black sheets. Input The first line of the input contains four integer
→ Problem tags No tags yet No tag edit access 490. Figure ans Spots Time limit per test: 0.25 second(s) Memory limit: 262144 kilobytes input: standard output: standard Let's consider an infinite sheet of grid paper. Initially all the cells are white and you can paint some of them blac...
2. [1763C] - Another Array Problem Rating:2000 Status:Hint + Data Evaluate:Medium 注意到如下的观察: 观察: 对于任意一个\(i\in(2,n]\)的\(i\),存在一种方法将子序列\([1,i]\)全部赋值成\(a_i\) 首先连续操作\([1,2]\):\((a_1,a_2) \to(|a_1-a_2|,|a_1-a_2|)\to(0,...
// Problem: D1. RPD and Rap Sheet (Easy Version) // Contest: Codeforces - Codeforces Round #730 (Div. 2) // URL: https://codeforces.com/contest/1543/problem/D1 // Memory Limit: 256 MB // Time Limit: 5000 ms // // Powered by CP Editor (https://cpeditor.org) // #pragma ...
Since "The problem asks for the problem count of the April Fools Day Contest that was n years ago." why in the 1st example for input 0, so for the current year the answer is 10, if it's 12th contest. Similar for the 2nd example, 1 year ago was 11th contest. → Reply fonmagnus...
k == 0) printf("%lld\n", s[1][2]); else if (vec[i].k == -1) { int tmp = vec[i].p; v[G[tmp]] = 0; modify(1, G[tmp], -1); if (G[tmp] <= N && v[G[tmp]+1] && pos[G[tmp]] == pos[G[tmp]+1]) G[tmp]++; else G[tmp] = 0; } else { int ...
A. Noldbach problem time limit per test 2 seconds memory limit per test 64 megabytes input standard input output standard output Nick is interested in prime numbers. Once he read aboutGoldbach problem. It states that every even integer greater than2can be expressed as the sum of two primes....
Codeforces Round #459 (Div. 1)B. MADMAX(博弈+记忆化搜索) 题目链接:https://codeforces.com/contest/917/problem/B 题目大意:给一张有向图,每条边有个字母,只能延ascii码非递减方向跑,输出n*n矩阵表示先手在i,后手在j的先手胜负情况。 题目思路:讲道理,直接自闭。刚开始设的dp[i][j][k]表示先手...
1617 D2 - RPD and Rap Sheet (Hard Version) GNU C++17 brute force constructive algorithms interactive math *2200 Sep/03/2021 21:41 1616 C - Need for Pink Slips GNU C++17 bitmasks brute force dfs and similar implementation math probabilities *1900 Sep/03/2021 18:25 1615 D1 - RPD and ...
题目链接:http://codeforces.com/contest/828/problem/B点击打开链接 B. Black Square time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Polycarp has a checkered sheet of paper of size n × m. Polycarp painted some of cells with ...