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