제출 #522299

#제출 시각아이디문제언어결과실행 시간메모리
522299LucaIlieRed-blue table (IZhO19_stones)C++17
0 / 100
26 ms1188 KiB
#include <iostream>

using namespace std;

int main() {
    int t, n, m, l, c;

    cin >> t;
    while ( t-- ) {
        cin >> n >> m;

        cout << max( n, m ) + min( n, m ) / 2 << "\n";
        for ( l = 0; l < n; l++ ) {
            for ( c = 0; c < m; c++ ) {
                if ( n > m ) {
                    if ( c <= m / 2 )
                        printf( "-" );
                    else
                        printf( "+" );
                } else {
                    if ( l <= n / 2 )
                        printf( "+" );
                    else
                        printf( "-" );
                }
            }
            printf( "\n" );
        }
        printf( "\n" );
    }

    return 0;
}
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