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  1. # include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4. int left = 0;
  5. int right;
  6.  
  7. for(right = 0; s[right] != '\0'; right++);
  8. right--;
  9.  
  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.  
  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 5292KB
stdin
girafarig
stdout
girafarig -> 1