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Oct 25th, 2016
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  1. #include <fstream>
  2.  
  3. using namespace std;
  4. int A[11][11],n,m,i,j,k,s;
  5. int main()
  6. {
  7.  
  8. ifstream fi("colzero.in");
  9. ofstream fo("colzero.out");
  10.  
  11. fi>>n>>m;
  12. k=0;
  13. s=0;
  14. for(i=1;i<=n;i++)
  15. for(j=1;j<=m;j++)
  16. fi>>A[i][j];
  17.  
  18. for(j=1;j<=m;j++)
  19. {
  20. k=1;
  21.  
  22. for(i=1;i<=n;i++)
  23. if(A[i][j]!=0)
  24. k=0;
  25.  
  26. if(k==1)
  27. s++;
  28.  
  29. }
  30. fo<<s;
  31. fi.close();
  32. fo.close();
  33. }
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