reverseString("c"),这时候传入的 str 长度为 1,所以执行 if 中的部分,返回传入的 str,也就是返回 "c" 回到reverseString("bc") 这一步,此时的 str[0] 为 "b"。由于上一步的返回值是 "c",那么这一步的返回值是 "cb" 回到reverseString("abc"),此时的 str[0] 为 "a"。由于上一步的返回值是...
https://leetcode.com/problems/reverse-string/ 题目: Write a function that takes a string as input and returns the string reversed. Example: Given s = "hello", return "olleh". 思路: easy 算法: public String reverseString(String s) { char ss[] = s.toCharArray(); for (int i = 0; ...
https://leetcode.com/problems/reverse-integer/ understanding: 最intuitive的办法就是直接把integer化成string,然后变成list。这里如果化成string,会有溢出的问题,比如integer是1534236469,这个数字反过来就是个很大的数,溢出了,必须返回0. 如果是直接用int计算的,那就会自动溢出得到正确结果。这里如果变成list,则效率底下。
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". 个人博客:http://www.cnblogs.com/wdfwolf3/。 这道题在逆置字符串的基础上加入了限制,只做原音(...
Reverse Words in a String | LeetCode OJ | C++ 我的思路:先读取每一个单词,存放到容器中;读取完毕后,将容器中的单词倒序写入输出中。 #include<iostream>#include<string>#include<vector> usingnamespacestd; voidf(string&s){ vector<string>vs;stringtemp="";inti=0;while(s[i]!='\0'){//遍历...
Given a strings, reverse only all the vowels in the string and return it. The vowels are'a','e','i','o', and'u', and they can appear in both lower and upper cases, more than once. Example 1: Input:s = "IceCreAm" Output:"AceCreIm" ...
链滴Reverse Words in a String III--leetcode 作者:moloee 原文链接:https://ld246.com/article/1509275957069 来源网站:链滴 许可协议:署名-相同方式共享 4.0 国际 (CC BY-SA 4.0) 题目 Given a string, you need to reverse the order of characters in each word within a sentence whi e still ...
Write a function that takes a string as input and reverse only the vowels of a string. Example 1: Givens = "hello", return "holle". Example 2: Givens = "leetcode", return "leotcede". Note 第一种解法:将字符串转化为字符数组,用一头一尾两个指针向中间夹逼,遇到两个元音字母就进行位置交换...
Can you solve this real interview question? Reverse Words in a String III - Given a string s, reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. Example 1: Input: s = "Let's take
Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". */ #include <stdio.h> #include <string.h> #include <stdlib.h> struct node { char *dest; struct node *Next; ...