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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.     scanf("%d",&t);
  31.    while(t--)
  32.    {
  33.       scanf("%d%d",&x,&y);
  34.       for(i=x;i<=y;i++)
  35.       {
  36.           int z=prime(x);
  37.           printf("%d",z);
  38.           if(prime(z)!=0)
  39.           {
  40.               counter++;
  41.           }
  42.           printf("%d",counter);
  43.       }
  44.       printf("%d",counter);
  45.       counter=0;
  46.    }
  47. }
Success #stdin #stdout 0s 2172KB
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101010101010101002020202020202020200
https://ideone.com/Zekr1h
language:
C (clang 8.0)
created:
7 years ago
visibility:
public

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