제출 #159635

#제출 시각아이디문제언어결과실행 시간메모리
159635Dima_BorchukRed-blue table (IZhO19_stones)C++17
0 / 100
2025 ms16288 KiB
#include <bits/stdc++.h>
using namespace std;
int main()
{
    int q , n , m;
    cin >> q;

    while(q--){
        cin >> n >> m;
        int v[n + 1] = {0}, ans = m , k;
        char a[n + 5][m + 5];

        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= m; j++){
                a[i][j] = '-';
            }
        }

        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= m; j++){
                if(v[j] < n / 2){
                    a[i][j] = '+';
                    v[j]++;
                }
            }
        }

        for(int i = 1; i <= n; i++){
            k = 0;
            for(int j = 1; j <= n; j++){
                if(a[i][j] == '+') k++;
            }
            if(k > m / 2) ans++;
        }

        cout << ans << endl;

        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= m; j++){
                cout << a[i][j];
            }
            cout << endl;
        }
    }

    return 0;
}
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