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  1. #include <stdio.h>
  2.  
  3. int P(int n){ if(n<2)return 0; for(int i=2;i*i<=n;i++) if(n%i==0)return 0; return 1; }
  4.  
  5. int main(){
  6.     int a,b;
  7.     printf("Enter range: ");
  8.     scanf("%d%d",&a,&b);
  9.     for(int i=a;i<=b;i++) if(P(i)) printf("%d ",i);
  10. }
  11.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
10 25
stdout 
Enter range: 11 13 17 19 23
https://ideone.com/OBJmqK
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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