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  1. #include<stdio.h>
  2. #include<math.h>
  3. int main()
  4. {
  5. int num,lp1;
  6. float sqrtv;
  7. scanf("%d",&num);
  8. for(lp1=2;lp1<num;lp1++)
  9. {
  10. if(num%lp1==0)
  11. {break;}
  12. }
  13. sqrtv=(lp1==num)?(sqrt(num)):0.00;
  14. printf("%0.2f",sqrtv);
  15. return 0;
  16. }
Success #stdin #stdout 0s 4544KB
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https://ideone.com/iCtbxG
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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