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// Source : https://leetcode.com/problems/reverse-string/

// Author : Hao Chen

// Date : 2016-05-29

/***************************************************************************************

*

* Write a function that takes a string as input and returns the string reversed.

*

* Example:

* Given s = "hello", return "olleh".

***************************************************************************************/

class Solution {

public:

string reverseString(string s) {

int len = s.size();

for (int i=0; i<len/2; i++) {

char ch = s[i];

s[i] = s[len-i-1];

s[len-i-1] = ch;

}

return s;

}

};