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Dizzy3113

Untitled

Jan 5th, 2020
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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7. int a[51][51],m,n,p=1,i,j;
  8. cin>>m>>n;
  9. for(i=1; i<=m; i++)
  10. for(j=1; j<=n; j++)
  11. cin>>a[i][j];
  12.  
  13. for(i=1; i<=m; i++)
  14. for(j=1; j<=n; j++)
  15. if(a[i][j]>=0 && i%2==0 && j%2==1)
  16. p=p*a[i][j];
  17.  
  18. cout<<p;
  19.  
  20. }
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