题目描述【Leetcode】
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.
这道题就是将句子中每个单词倒置,直接用reverse函数来做:
class Solution {
public:
string reverseWords(string s) {
int temp = 0;
for(int i = 0; i <= s.length(); ++i){
if(i == s.length() || s[i] == ' ') {
reverse(&s[temp], &s[i]);
temp = i + 1;
}
}
return s;
}
};