Codeforces Round 957 (Div. 3)2024-07-1245.E. Decode2024-07-2946.Educational Codeforces Round 168 (Rated for Div. 2)2024-08-06 47.B. Parity and Sum2024-08-0848.P1972 [SDOI2009] HH的项链2024-08-1249.Codeforces Round
http://www.codeforces.com/contest/298/problem/C Description You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" a...
In the first sample Stannis will use his move to burn a city with two people and Daenerys will be forced to burn a city with one resident. The only survivor city will have one resident left, that is, the total sum is odd, and thus Stannis wins. In the second sample, if Stannis bur...
if (sum & 1) { if (g[i + 1][j]) is_success = false; g[i + 1][j] = 1, chg ++ ; } } // 检查最后一行格子是否合法 rep(i, 1, n) { int sum = 0; rep(k, 0, 3) sum += g[n + dr[k]][i + dc[k]]; if (sum & 1) is_success = false; } if (is_success)...
b[i][j] = sum % 2; if (a[i][j] == 1 && b[i][j] == 0)return inf; } } int tot = 0; REP(i, n) REP(j, n) { if (a[i][j] != b[i][j])tot++; } return tot; } int main() { //ios::sync_with_stdio(false); ...
if the last deleted element was even, Polycarp chooses any odd element and deletes it. If after some move Polycarp cannot make a move, the game ends. Polycarp's goal is to minimize the sum of non-deleted elements of the array after end of the game. If Polycarp can delete the whole ...
In the first sample Stannis will use his move to burn a city with two people and Daenerys will be forced to burn a city with one resident. The only survivor city will have one resident left, that is, the total sum is odd, and thus Stannis wins. ...
if the last deleted element waseven, Polycarp chooses anyodd element and deletes it. If after some move Polycarp cannot make a move, the game ends. Polycarp's goal is tominimize the sum ofnon-deleted elements of the array after end of the game. If Polycarp can delete the whole array,...
题目链接:http://codeforces.com/problemset/problem/549/C C. The Game Of Parity time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There arencities in Westeros. Thei-th city is inhabited byaipeople. Daenerys and Stannis ...
We define the parity of an integerNas the sum of the bits in binary representation computed modulo two. As an example, the number 21 = 10101 has three 1s in its binary representation so it has parity 3 (mod 2), or 1. In this problem you have to calculate the parity of an integer1...