Submission #1323201

#TimeUsernameProblemLanguageResultExecution timeMemory
1323201islam_2010Red-blue table (IZhO19_stones)C++20
27 / 100
21 ms1408 KiB
#pragma GCC optimize("O3") #pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; #define int long long const int sz = 1e5+5; void solve() { int n, m; cin >> n >> m; if(n <= m){ int plus = (n-1)/2; cout << m + plus << endl; for(int i = 0; i < plus; i++){ for(int j = 0; j < m; j++){ cout << '+'; }cout << endl; }for(int i = 0; i < n-plus; i++){ for(int j = 0; j < m; j++){ cout << '-'; }cout << endl; } }else { int minus = (m-1)/2; cout << n + minus << endl; for(int i = 0; i < n; i++){ for(int j = 0; j < minus; j++){ cout << '-'; }for(int j = 0; j < m-minus; j++){ cout << '+'; }cout << endl; } } } signed main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t = 1; cin >> t; while (t--){ solve(); } }
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