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  1. /*
  2. Task: Problem 7.06
  3. Date: Dec 24, 2020
  4. Author: aLittleLove (Minh Vu)
  5. */
  6.  
  7. #include<bits/stdc++.h>
  8.  
  9. using namespace std;
  10.  
  11. int main()
  12. {
  13.     ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
  14.     //freopen("input.txt","r",stdin);
  15.     int n; cin >> n >> n;
  16. 	bool f = 1;
  17.     for (int i=0; i<n; i++)
  18.     {
  19.         for (int j=0; j<n; j++)
  20.         {
  21.             double x; cin >> x;
  22.             if (i!=j && x!=0.0) 
  23.             {
  24.                 f = 0;
  25.             }
  26.         }
  27.     }
  28.     if (f) cout << "Yes"; else cout << "No";
  29.     return 0;
  30. }
Success #stdin #stdout 0s 5020KB
comments (?)
stdin
copy 
3 3
1 0 1
0 2 0
0 0 0.0
stdout
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No
https://ideone.com/K0OfsH
UIT 7.06
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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