Submission #884718

#	Time	Username	Problem	Language	Result	Execution time	Memory
884718		TAFH	Red-blue table (IZhO19_stones)	C++17	27 / 100	27 ms	1372 KiB

stones

#include <bits/stdc++.h>

#define SPEED ios::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define mp make_pair
#define mt make_tuple
#define ull unsigned long long
#define ll long long
#define dl long double
#define forn(i, n) for(int i = 0; i < n; i++)
using namespace std;

void start() {
    int n, m;
    cin >> n >> m;

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

    if (n > m) {
        cout << m - (m / 2 + 1) + n << "\n";
    }
    else {
        cout << n - (n / 2 + 1) + m << "\n";
    }
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < m; j++) {
            cout << ans[i][j];
        }
        cout << "\n";
    }
}

int main() {
    //SPEED;
    int t = 1;
    cin >> t;
    while(t--) {
        start();
    }
} 

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