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  1. #include <iostream>
  2. #include <math.h>
  3.  
  4. bool isPrime(int num) {
  5. 	int j;
  6.  
  7. 	for (j = 2; j < ((static_cast<int>(sqrt(num)) + 1)); j++) {
  8. 		if ((num % j) == 0) return false;
  9. 	}
  10.  
  11. 	return true;
  12. }
  13.  
  14. int main(int argc, char** argv) {
  15. 	std::cout << isPrime(2) << std::endl;
  16. }
Success #stdin #stdout 0s 3296KB
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https://ideone.com/S9sHnY
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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