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- #include <fstream>
- using namespace std;
- int A[11][11],n,m,i,j,k,s;
- int main()
- {
- ifstream fi("colzero.in");
- ofstream fo("colzero.out");
- fi>>n>>m;
- k=0;
- s=0;
- for(i=1;i<=n;i++)
- for(j=1;j<=m;j++)
- fi>>A[i][j];
- for(j=1;j<=m;j++)
- {
- k=1;
- for(i=1;i<=n;i++)
- if(A[i][j]!=0)
- k=0;
- if(k==1)
- s++;
- }
- fo<<s;
- fi.close();
- fo.close();
- }
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