【[LeetCode] 345. Reverse Vowels of a String_Easy tag:Two Pointers】的更多相关文章

[LeetCode] 345. Reverse Vowels of a String_Easy tag:Two Pointers

Write a function that takes a string as input and reverse only the vowels of a string. Example 1: Input: "hello" Output: "holle" Example 2: Input: "leetcode" Output: "leotcede" Note:The vowels does not include the l…

LeetCode 345. Reverse Vowels of a String

Write a function that takes a string as input and reverse only the vowels(元音字母) of a string. Example 1:Given s = "hello", return "holle". Example 2:Given s = "leetcode", return "leotcede". Note:The vowels does not i…

Python [Leetcode 345]Reverse Vowels of a String

题目描述: Write a function that takes a string as input and reverse only the vowels of a string. Example 1:Given s = "hello", return "holle". Example 2:Given s = "leetcode", return "leotcede". Note:The vowels does not i…

Leetcode 345 Reverse Vowels of a String 字符串处理

题意:倒置字符串中的元音字母. 用两个下标分别指向前后两个相对的元音字母,然后交换. 注意:元音字母是aeiouAEIOU. class Solution { public: bool isVowels(char c){ string Vowels = "aeiouAEIOU"; ; i < Vowels.size(); ++i){ if(c == Vowels[i]) return true; } return false; } string reverseVowels(str…

LeetCode 345. Reverse Vowels of a String（双指针）

题意:给定一个字符串,反转字符串中的元音字母. 例如: Input: "leetcode" Output: "leotcede" 法一:双指针 class Solution { public: string reverseVowels(string s) { if(s == "") return ""; set <char> st ={'a','e','i','o','u','A','E','I','O','U'}…

Leetcode 345 Reverse Vowels in a String

两个for 第一个for将每一个元音依次存放进一个char数组 第二个for,每检测到元音,就从char数尾部开始,依次赋值 如何检测元音呢?当然写一个冗长的if(),不过我们有更好的选择 hashset的contains, 或者String自带的contains, 或者建一个int[128],因为元音有5个,算上大小写,一共10个,他们的ascii值都在128以内,然后将元音对应的int[]值设为1,其它设为0,只要检测int[strs[i]] ?= 0即可判断是否为元音 class Solu…

【leetcode】345. Reverse Vowels of a String

problem 345. Reverse Vowels of a String class Solution { public: string reverseVowels(string s) { , right =s.size()-; char chl, chr; while(left<right) { if(isVowel(s[left]) &&isVowel(s[right])) { char ch = s[left]; s[left++] = s[right]; s[right…

345. Reverse Vowels of a String - LeetCode

Question 345. Reverse Vowels of a String Solution 思路:交换元音,第一次遍历,先把出现元音的索引位置记录下来,第二遍遍历元音的索引并替换. Java实现: public String reverseVowels(String s) { List<Integer> store = new ArrayList<>(); char[] arr = s.toCharArray(); for (int i=0; i< arr.lengt…

345. Reverse Vowels of a String（C++）

345. Reverse Vowels of a String Write a function that takes a string as input and reverse only the vowels of a string. Example 1: Given s = "hello", return "holle". Example 2: Given s = "leetcode", return "leotcede"…

345. Reverse Vowels of a String【easy】

345. Reverse Vowels of a String[easy] Write a function that takes a string as input and reverse only the vowels of a string. Example 1:Given s = "hello", return "holle". Example 2:Given s = "leetcode", return "leotcede&q…