判断是否回文字符串练习题

#include "pch.h"
#include <iostream>
#include "stdio.h"
#include "string"
using namespace std;
int main()
{
	string str;
	cin >> str;
	for (int i = 0; i < str.size() / 2; i++)
	{
		if (str[i] != str[str.size() - 1 - i])
		{
			cout << "不是回文字符串" << endl;
			return false;
		}

	}
	cout << "是回文字符串" << endl;

}