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