제출 #490193

#제출 시각아이디문제언어결과실행 시간메모리
490193ZiyodaRed-blue table (IZhO19_stones)C++14
0 / 100
20 ms1256 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) swap(n, m); string s1="", s2=""; for(int i=0; i<n; i++) s1+='-', s2+='+'; int e = (m-1)/2; cout << n+e << endl; for(int i=0; i<m; i++){ if(e!=0){ cout << s2 << endl; e--; } else cout << s1 << endl; } } }
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