# include <stdio.h>
 
int isPalindrome(char s[]){
    int i = 0;
    int len = 0;
 
    // 文字列の長さを求める
    while(s[len] != '\0'){
        len++;
    }
 
    // 回文判定
    while(i < len / 2){
        if(s[i] != s[len - 1 - i]){
            return 0;
        }
        i++;
    }
 
    return 1;
//関数の中だけを書き換えてください
	//回文になっているとき１を返す
	//回文になっていないとき０を返す
}
 
//メイン関数は書き換えなくてよいです
int main(){
    char s[100];
    scanf("%s",s);
    printf("%s -> %d\n",s,isPalindrome(s));
    return 0;
}
 

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

Z2lyYWZhcmln

girafarig