# include <stdio.h>
int isPalindrome(char s[]){
int i;
for(i=0;s[i]!='\0';i++);
for(int j=0;j<i/2;j++){
for(int k=i-1;k>i/2;k--){
if(s[j]!=s[k]){
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;
}
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