# include <stdio.h>
int isPalindrome(char s[]){
int i;
for(i=0; s[i]!='\0'; i++){
}
for(int j=0; j<=(i-1)/2; j++){
if(!(s[j]==s[(i-1)-j])) return 0;
}
return 1;
}
//メイン関数は書き換えなくてよいです
int main(){
char s[100];
printf("%s -> %d\n",s
,isPalindrome
(s
)); return 0;
}
IyBpbmNsdWRlIDxzdGRpby5oPgoKaW50IGlzUGFsaW5kcm9tZShjaGFyIHNbXSl7CglpbnQgaTsKCWZvcihpPTA7IHNbaV0hPSdcMCc7IGkrKyl7Cgl9Cglmb3IoaW50IGo9MDsgajw9KGktMSkvMjsgaisrKXsKCQlpZighKHNbal09PXNbKGktMSktal0pKSByZXR1cm4gMDsKCX0KCXJldHVybiAxOwp9CgovL+ODoeOCpOODs+mWouaVsOOBr+abuOOBjeaPm+OBiOOBquOBj+OBpuOCiOOBhOOBp+OBmQppbnQgbWFpbigpewogICAgY2hhciBzWzEwMF07CiAgICBzY2FuZigiJXMiLHMpOwogICAgcHJpbnRmKCIlcyAtPiAlZFxuIixzLGlzUGFsaW5kcm9tZShzKSk7CiAgICByZXR1cm4gMDsKfQo=