답안 #495254

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
495254 2021-12-18T08:07:11 Z kingline Chessboard (IZhO18_chessboard) C++17
0 / 100
71 ms 768 KB
#include <bits/stdc++.h>
#define pb push_back
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define all(data) data.begin() , data.end()
#define endl '\n'
//freopen("nenokku_easy.in", "r", stdin);
//freopen("nenokku_easy.out", "w", stdout);
//#define int long long

using namespace std;

typedef long long ll;
const int N = 1e5 + 5;

int n, k, y[N], x[N];

main() {
    /*ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);*/
    cin >> n >> k;
    for(int kk = 1; kk <= k; kk++) {
        int xx, yy;
        cin >> x[kk] >> y[kk] >> xx >> yy;
    }
    int odd = 0, even = 0;
    for(int i = 1; i <= k; i++) {
        if(x[i] % 2 == y[i] % 2) odd++;
        else even++;
    }
    cout << min((n * n + 1) / 2 + even - odd, n * n / 2 + odd - even);
}

/*
5
2 8 5 1 10
5
2 3 5 3
2 5 3 3
1 4 4
2 3 4 2
1 1 2
*/






Compilation message

chessboard.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 | main() {
      | ^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 71 ms 768 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 71 ms 768 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -