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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. //int book(int num,int ans);
  5.  
  6. // int book(int num,int ans){
  7. // 	int i;
  8. // 	for (i=0;;i++)
  9. // 	    ans[i] = num;
  10. // 	return 1;
  11. // }
  12.  
  13. int main(){
  14.     int num, i, kiki=0,j;
  15.     int ans[100];
  16.     do{
  17.     	scanf("%d",&num);
  18.  
  19.     	int b = 1;
  20.     	for (i=2;i<=sqrt(num);i++){
  21.     	    if(num%i==0){
  22.     	    	b = 0;
  23.     	        break;
  24.     	    }
  25.         }
  26.         if (b==1){
  27.                 ans[kiki]=num;
  28.                 kiki++;
  29.         }
  30. 	}
  31.     while(num!=0);
  32.     for(int j=0;j<kiki;j++)
  33.         printf("%d\n",ans[j]);
  34.     return 0;
  35. }
Success #stdin #stdout 0s 9432KB
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4
7
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stdout
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7
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https://ideone.com/nnBXJx
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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