C++判断回文

 1 #include <iostream>
 2 #include <string>
 3 #include <stdio.h>
 4 using namespace std;
 5 int main()
 6 {
 7     string str;
 8     cin >> str;
 9     int len = str.length();
10     const char *p = str.c_str();
11     int n = 0;
12     for (int i = 0; i < len / 2; i++)
13     {
14         if (p[i] == p[len - 1 - i])
15         {
16             continue;
17         }
18         else { n = 1; break; }
19     }
20     if (n == 1) { cout << "False!" << endl; }
21     else { cout << "True!" << endl; }
22 }