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  1. #include <stdio.h>
  2.  
  3. int isPalindrome(char s[]) {
  4. int left = 0;
  5. int right = 0;
  6.  
  7. while (s[right] != '\0') {
  8. right++;
  9. }
  10. right--;
  11. while (left < right) {
  12. if (s[left] != s[right]) {
  13. return 0;
  14. }
  15. left++;
  16. right--;
  17. }
  18.  
  19. return 1;
  20. }
  21.  
  22. int main() {
  23. char s[100];
  24. scanf("%s", s);
  25. printf("%s -> %d\n", s, isPalindrome(s));
  26. return 0;
  27. }
  28.  
Success #stdin #stdout 0s 5280KB
stdin
nice
stdout
nice -> 0