제출 #490577

#제출 시각아이디문제언어결과실행 시간메모리
490577ZiyodaRed-blue table (IZhO19_stones)C++14
27 / 100
43 ms1236 KiB
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int t; cin >> t; while(t--){ int n, m; cin >> n >> m; if(n<=m){ int e = (n-1)/2, e1; cout << m+e << endl; e1=e; for(int i=0; i<n; i++){ if(e1!=0){ for(int j=0; j<m; j++) cout << '+'; e1--; } else{ for(int j=0; j<m; j++) cout << '-'; } cout << endl; } } else{ int e = (m-1)/2, e1; cout << n+e << endl; for(int i=0; i<n; i++){ e1 = e; for(int j=0; j<m; j++){ if(e1!=0){ cout << '-'; e1--; } else cout << '+'; } cout << endl; } } } }
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