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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int number, i;
  5.     int isPerfectSquare = 0;
  6.  
  7.     printf("Enter a number: ");
  8.     scanf("%d", &number);
  9.  
  10.     for (i = 0; i * i <= number; i++) {
  11.         if (i * i == number) {
  12.             isPerfectSquare = 1;
  13.             break;
  14.         }
  15.     }
  16.  
  17.     if (isPerfectSquare) {
  18.         printf("Yes\n");
  19.     } else {
  20.         printf("No\n");
  21.     }
  22.  
  23.     return 0;
  24. }
Success #stdin #stdout 0s 5296KB
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Enter a number: No
https://ideone.com/ElhEcM
language:
C (gcc 8.3)
created:
8 hours ago
visibility:
public

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