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nr prime in matrici

Robert_Manea Dec 9th, 2019 (edited) 80 Never
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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main()
  5. {
  6.     int n,m,j,i,a[20][20],nr=0,s,d;
  7.     printf("n=");
  8.     scanf("%d",&n);
  9.     printf("m=");
  10.     scanf("%d",&m);
  11.     for(i=0;i<n;i++)
  12.        for(j=0;j<m;j++){
  13.         printf("a[%d][%d]",i,j);
  14.         scanf("%d",&a[i][j]);
  15.     }
  16.     for(i=0;i<n;i++)
  17.        for(j=0;j<m;j++){
  18.         s=0;
  19.         for(d=1;d<=a[i][j]/2;d++)
  20.             if(a[i][j]%d==0)
  21.             s+=d;
  22.      
  23.        if(a[i][j]==s)
  24.         nr++;
  25.       }
  26.        printf("%d",nr);
  27.     return 0;
  28. }
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