判断回文数

#include
#include<stdlib.h>
#include<string.h>
using namespace std;
int Judge(char* arr,int len)
{
char* p = arr;
char* q = &arr[len - 1];
while (p <= q)
{
if (*p != *q)
{
return 0;
}
p++;
q–;
}
return 1;
}
int main()
{
char arr[100] = " ";
cout << "please input a string: ";
cin >> arr;
int len=strlen(arr);
int flag = Judge(arr, len);
if (flag1)
{
cout << “yes ,it is!!”<<endl;
}
else if(flag0) {
cout << "no ,it’s not "<<endl;
}
return 0;
}