C#版(击败97.76%的提交) - Leetcode 557. 反转字符串中的单词 III - 题解

输入: "Let's take LeetCode contest"
输出: "s'teL ekat edoCteeL tsetnoc" 

public class Solution
{
   public string ReverseWords(string s)
   {
        StringBuilder sb = new StringBuilder();
        s = s.Trim();
        var words = s.Split(' ');

        foreach (var word in words)
        {
            for (int i = word.Length - 1; i >= 0; i--)
            {
                sb.Append(word[i]);
            }
            sb.Append(" ");
        }
        return sb.ToString().Trim();
   }
}