<LeetCode>557. Reverse Words in a String III
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Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order.
Example 1:
Input: "Let's take LeetCode contest"Output: "s'teL ekat edoCteeL tsetnoc"
Note: In the string, each word is separated by single space and there will not be any extra space in the string.
方法比较简单,就是把单词都提出来之后再反转,最后再合并为一个字符串
但这样可能时间花费较多。。
class Solution { public String reverseWords(String s) { //String str1 = "i am a handsome man"; String[] str2 = s.split(" "); String solu = new String(); for (int i = 0;i<str2.length;i++) { if(i!=str2.length-1) { solu += new StringBuilder(str2[i]).reverse(); solu += " "; }else { solu += new StringBuilder(str2[i]).reverse(); } } return solu; }}
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