https://leetcode.com/problems/reverse-string/description/
题目
Write a function that takes a string as input and returns the string reversed.
Example:
Given s = “hello”, return “olleh”.
题目翻译
题目解析
参考答案
#include <iostream>
#include <string>
using namespace std;
class Solution {
public:
string reverseString(string s)
{
int iStart = 0;
int iEnd = s.size() - 1;
while (iStart < iEnd)
{
vSwap(s[iStart], s[iEnd]);
++iStart;
--iEnd;
}
return s;
}
void vSwap(char & a, char & b)
{
char temp = a;
a = b;
b = temp;
}
};
int main()
{
return 0;
}
