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  1. # include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4. int i = 0;
  5. while (s[i] != '\0') {
  6. i++;
  7. }
  8.  
  9. int len = i;
  10. for (i = 0; i < len / 2; i++) {
  11. if (s[i] != s[len - 1 - i]) {
  12. return 0;
  13. }
  14. }
  15. return 1;
  16. }
  17.  
  18. //メイン関数は書き換えなくてよいです
  19. int main(){
  20. char s[100];
  21. scanf("%s",s);
  22. printf("%s -> %d\n",s,isPalindrome(s));
  23. return 0;
  24. }
  25.  
Success #stdin #stdout 0.01s 5292KB
stdin
girafarig
stdout
girafarig -> 1