# include <stdio.h>
int isPalindrome(char s[]){
int i = 0;
while(s[i] != '\0'){
if(s[i] == '1'){
s[i] = 'I';
}
i++;
}
return 0;
}
//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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