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  1. #include <iostream>
  2. #include <cmath>  
  3. using namespace std;
  4.  
  5. bool isPerfectSquare(int num) {
  6.     int n = sqrt(num); 
  7.     return (n * n == num); 
  8. }
  9.  
  10. int main() {
  11.     int num1=16;
  12.     int num2=14;
  13.     cout << "Is " << num1 <<" perfect square ? " << (isPerfectSquare
  14.     (num1) ? "Yes" : "No") << endl;
  15.     cout << "Is " << num2 <<" perfect square ? " << (isPerfectSquare
  16.     (num2) ? "Yes" : "No") << endl;
  17.     return 0;
  18. }
  19.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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Standard input is empty
stdout
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Is 16 perfect square ? Yes
Is 14 perfect square ? No
https://ideone.com/rZ9BDW
language:
C++ (gcc 8.3)
created:
10 days ago
visibility:
public

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