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Submission #861601

# Submission time Handle Problem Language Result Execution time Memory
861601 2023-10-16T14:40:44 Z PagodePaiva Chessboard (IZhO18_chessboard) C++14
0 / 100
 1 ms 4444 KB 
#include<bits/stdc++.h>
#define inf 1e18
#define int long long
#define N 1010

using namespace std;

int v[N][N];
int mark[N][N];

int32_t main(){
    int n, k;
    cin >> n >> k;

    // vector <pair <int, int>> v;

    for(int i = 1;i <= k;i++){
        int a, b, c, d;
        cin >> a >> b >> c >> d;
        v[a][b] = 1;
    }

    int res = inf;

    for(int p = 1;p < n;p++){
        if(n % p != 0) continue;
        int resp = 0;

        for(int i = 1;i <= n;i++){
            for(int j = 1;j <= n;j++){
                int ti = (i-1)/p;
                int tj = (j-1)/p;

                if((ti % 2 )!= (tj % 2)){
                    if(v[i][j] != 0) resp++;
                }

                else{
                    if(v[i][j] != 1) resp++;
                }
            }
        }

        res = min(res, resp);
        resp = 0;

        for(int i = 1;i <= n;i++){
            for(int j = 1;j <= n;j++){
                int ti = (i-1)/p;
                int tj = (j-1)/p;

                if((ti % 2 )!= (tj % 2)){
                    if(v[i][j] != 1) resp++;
                }

                else{
                    if(v[i][j] != 0) resp++;
                }
            }
        }
    }

    cout << res << '\n';
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 344 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 344 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -