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  1. #include <iostream>
  2. #include <ctime>
  3. #include <cstdlib>
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8.     int n,m;
  9.     cin>>n;
  10.     cin>>m;
  11.     int a[n][m];
  12.     int sum=0;
  13.     int count=0;
  14.  
  15.     srand(time(0));
  16.     for(int i=0;i<n;i++)           
  17.     {
  18.         for(int j=0;j<m;j++)
  19.         {
  20.             a[i][j]=rand()%21-10;
  21.         }
  22.     }
  23.  
  24.     for (int i=0; i<n; i++)
  25.     {
  26.         sum=0;
  27.         for (int j=0; j<m; j++)
  28.         {
  29.             sum+=a[i][j];
  30.         }
  31.         if (sum>0) count++;
  32.     }
  33.     cout<<count<<endl;
  34.     return 0;
  35. }
  36.  
Success #stdin #stdout 0s 3100KB
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https://ideone.com/yiFKtY
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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