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Jan 22nd, 2018
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  1. #include <cstdio>
  2.  
  3. int fl = 0;
  4. int prime(int n){
  5. if(n == 1) return 0;
  6. for(int i = 2; i*i <= n; i++){
  7. if (n % i == 0) return 0;
  8. }
  9. fl += 1;
  10. return 1;
  11. }
  12.  
  13. int main(){
  14. for(int i = 1; i <= 130000; i++){
  15. prime(i);
  16. if (fl == 10001) printf ("%i - The num %i %s prime\n", fl, i,(prime(i)? "IS": "ISNT"));
  17. }
  18. return 0;
  19. }
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