Submission #781368

#TimeUsernameProblemLanguageResultExecution timeMemory
781368ZHIRDILBILDIZRed-blue table (IZhO19_stones)C++14
17 / 100
39 ms328 KiB
#include<bits/stdc++.h> using namespace std ; int func() { } int main() { ios_base::sync_with_stdio( 0 ) ; cin.tie( 0 ) ; cout.tie( 0 ) ; int t ; cin >> t ; while(t--) { int n, m, mx = 0 ; cin >> n >> m ; char c[n][m] ; if(n * m <= 16) { char ans[n][m] ; for(int x = 0 ; x < (1 << (n * m)) ; x++) { int st[m] = {}, str[n] = {}, sum = 0 ; for(int i = 0 ; i < n ; i++) for(int j = 0 ; j < m ; j++) if(x & (1 << (i * m + j))) { str[i]++ ; c[i][j] = '+' ; } else { st[j]++ ; c[i][j] = '-' ; } for(int i = 0 ; i < n ; i++) if(str[i] > m / 2)sum++ ; for(int i = 0 ; i < m ; i++) if(st[i] > n / 2)sum++ ; if(mx < sum) { for(int i = 0 ; i < n ; i++) for(int j = 0 ; j < m ; j++) ans[i][j] = c[i][j] ; } mx = max(mx, sum) ; } cout << mx << '\n' ; for(int i = 0 ; i < n ; i++) { for(int j = 0 ; j < m ; j++) cout << ans[i][j] ; cout << '\n' ; } } } return 0 ; }

Compilation message (stderr)

stones.cpp: In function 'int func()':
stones.cpp:5:1: warning: no return statement in function returning non-void [-Wreturn-type]
    5 | }
      | ^
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