Submission #167843

#TimeUsernameProblemLanguageResultExecution timeMemory
167843munhorgilRed-blue table (IZhO19_stones)C++14
38 / 100
93 ms1332 KiB
#include<bits/stdc++.h> using namespace std; int main() { int t , i , j , m , n , ans , a , b; cin >> t; while(t > 0) { cin >> n >> m; if(n > 4 && m > 4) { if(n % 2 == 0) a = n - 2; else a = n - 1; if(m % 2 == 0) b = m - 2; else b = m - 1; ans = a + b; cout << ans << endl; for(j = 0 ; j < a / 2 ; j++) { for(i = 0 ; i < b / 2 ; i++) { cout << "+"; } for(i = 0 ; i < b / 2 ; i++) { cout << "-"; } for(i = 0 ; i < (m - b) ; i++) { cout << "+"; } cout << endl; } for(j = 0 ; j < a / 2 ; j++) { for(i = 0 ; i < b / 2 ; i++) { cout << "-"; } for(i = 0 ; i < b / 2 ; i++) { cout << "+"; } for(i = 0 ; i < (m - b) ; i++) { cout << "+"; } cout << endl; } for(j = 0 ; j < (n - a) ; j++) { for(i = 0 ; i < m ; i++) { cout << "-"; } cout << endl; } } else { ans = max(n , m) + (min(n , m) - 1) / 2; cout << ans << endl; if(n > m) { for(i = 0 ; i < n ; i++) { for(j = 0 ; j < m - ((m - 1) / 2) ; j++) { cout << '+'; } for(j = 0 ; j < (m - 1) / 2 ; j++) { cout << '-'; } cout << endl; } } else { for(i = 0 ; i < n - ((n - 1) / 2) ; i++) { for(j = 0 ; j < m ; j++) { cout << '-'; } cout << endl; } for(i = 0 ; i < (n - 1) / 2 ; i++) { for(j = 0 ; j < m ; j++) { cout << '+'; } cout << endl; } } } t--; } }
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