Submission #980046

#	Time	Username	Problem	Language	Result	Execution time	Memory
980046		NoMercy	Red-blue table (IZhO19_stones)	C++17	0 / 100	4 ms	604 KiB

stones

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

void test_case () {
    int N , M;
    cin >> N >> M;
    vector<vector<int>> val(N + 1 , vector<int> (M + 1 , 1));
    for (int i = 1;i <= (N + 2) / 2;i ++) {
        for (int j = (M + 2) / 2 + 1;j <= M;j ++) {
            val[i][j] = 0;
        }
    }
    for (int i = 1;i < (M + 1) / 2;i ++) {
        for (int j = (N + 1) / 2;j <= N;j ++) {
            val[j][i] = 0;
        }
    }
    char d[2] = {'-' , '+'};
    cout << N - (N % 2 == 0 ? 2 : 1) + M - (M % 2 == 0 ? 2 : 1) << "\n";
    for (int i = 1;i <= N;i ++) {
        for (int j = 1;j <= M;j ++) {
            cout << d[val[i][j]];
        }
        cout << "\n";
    }
}

/*

11111000
11111000
00011000
00011000
00011111
00011111

11111000
00011000
00011111

*/

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);


    int T = 1;
    ///  cin >> T;

    while (T --) {
        test_case ();
    }

    return 0;
}

• Subtask 1: 0 / 17
• Subtask 2: 0 / 10
• Subtask 3: 0 / 16
• Subtask 4: 0 / 11
• Subtask 5: 0 / 15
• Subtask 6: 0 / 31