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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. int prime(int n)
  4. {
  5.     int i,j;
  6.     int count=0;
  7.     int prime=0;
  8.     for(i=2;i<n;i++)
  9.     {
  10.        for(j=2;j<i;j++)
  11.        {
  12.            prime=0;
  13.            if(i%j==0)
  14.            {
  15.                prime=1;
  16.                break;
  17.            }
  18.        }
  19.        if(prime==0)
  20.        {
  21.           count++;
  22.        }
  23.     }
  24.     return count;
  25. }
  26. int main()
  27. {
  28.     int t,x,y,i;
  29.     int counter=0;
  30.    while(t--)
  31.    {
  32.       scanf("%d%d",&x,&y);
  33.       for(i=x;i<=y;i++)
  34.       {
  35.           int z=prime(x);
  36.           if(prime(z)!=0)
  37.           {
  38.               counter++;
  39.           }
  40.       }
  41.       printf("%d",counter);
  42.       counter=0;
  43.    }
  44. }
Success #stdin #stdout 0s 2164KB
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https://ideone.com/fpSOFc
language:
C (clang 8.0)
created:
7 years ago
visibility:
public

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