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- #include <stdio.h>
- int main()
- {
- int m,n;
- scanf("%d%d",&m,&n);
- int A[m][n];
- int row[m];
- int col[n];
- for(int i=0;i<m;i++)
- { int flag=1;
- row[i]=0;
- for(int j=0;j<n;j++)
- {
- scanf("%d",&A[i][j]);
- if(A[i][j]==0)
- flag=0;
- }
- if(flag) row[i]=1;
- }
- for(int i=0;i<n;i++)
- {
- int flag=1;
- col[i]=0;
- for(int j=0;j<m;j++)
- {
- if(A[j][i]==0)
- flag=0;
- }
- if(flag) col[i]=1;
- }
- int cnt=0;
- for(int i=0;i<m;i++)
- {
- for(int j=0;j<n;j++)
- {
- if(row[i]&&col[j]){
- printf("(%d, %d)\n",i,j) ;
- cnt++;
- }
- }
- }
- printf("%d",cnt);
- }
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