2017/11/6 Leetcode 日记

2017/11/6 Leetcode 日记

344. Reverse String

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

class Solution {
public:
    string reverseString(string s) {
        int i = 0, sz = s.size()-1;
        for(i = 0; i < sz; i++, sz--){
            char temp = s[i];
            s[i] = s[sz];
            s[sz] = temp;
        }
        return s;
    }
};

c++