leetcodeブラシ問題、まとめ、記録、メモ344

leetcode344
Reverse String
  
Write a function that takes a string as input and returns the string reversed.
Example: Given s = "hello", return "olleh".
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基礎問題、何も言うことはありません.

class Solution {
public:
    string reverseString(string s) {
        if (s.size() == 0)
        {
            return s;
        }
        
        int m = s.size() / 2;
        for(int i = 0; i < m; ++ i)
        {
            char t = s[i];
            s[i] = s[s.size() - 1 - i];
            s[s.size() - 1 - i] = t;
        }
        
        return s;
    }
};