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  1. #include <stdio.h>
  2.  
  3. int isPalindrome(char s[]) {
  4.     int left = 0;
  5.     int right = 0;
  6.     while (s[right] != '\0') {
  7.         right++;
  8.     }
  9.     right--; 
  10.     while (left < right) {
  11.         if (s[left] != s[right]) {
  12.             return 0; 
  13.         }
  14.         left++;
  15.         right--;
  16.     }
  17.  
  18.     return 1; 
  19. }
  20.  
  21. int main() {
  22.     char s[100];
  23.     scanf("%s", s);
  24.     printf("%s -> %d\n", s, isPalindrome(s));
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0.01s 5296KB
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stdin
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girafarig
stdout
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girafarig -> 1
https://ideone.com/HV28uP
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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