Week4 - 500.Keyboard Row & 557.Reverse Words in a String III

【Week4 - 500.Keyboard Row & 557.Reverse Words in a String III】的更多相关文章

Week4 - 500.Keyboard Row & 557.Reverse Words in a String III

500.Keyboard Row & 557.Reverse Words in a String III 500.Keyboard Row Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. Example 1: Input: ["Hello"…

Leetcode#557. Reverse Words in a String III（反转字符串中的单词 III）

题目描述给定一个字符串,你需要反转字符串中每个单词的字符顺序,同时仍保留空格和单词的初始顺序. 示例 1: 输入: "Let's take LeetCode contest" 输出: "s'teL ekat edoCteeL tsetnoc" 注意:在字符串中,每个单词由单个空格分隔,并且字符串中不会有任何额外的空格. 思路分割字符串,再逆序,拼接到字符串代码实现 package String; /** * 557. Reverse Words in a St…

leetcode 557. Reverse Words in a String III 、151. Reverse Words in a String

557. Reverse Words in a String III 最简单的把空白之间的词反转 class Solution { public: string reverseWords(string s) { vector<int> blank; ;i < s.size();i++){ if(s[i] == ' ') blank.push_back(i); } ; int end; ;i < blank.size();i++){ end = blank[i] - ; revers…

【leetcode】557. Reverse Words in a String III

Algorithm [leetcode]557. Reverse Words in a String III https://leetcode.com/problems/reverse-words-in-a-string-iii/ 1)problem Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace…

557. Reverse Words in a String III【easy】

557. Reverse Words in a String III[easy] 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:…

【leetcode_easy】557. Reverse Words in a String III

problem 557. Reverse Words in a String III solution1:字符流处理类istringstream. class Solution { public: string reverseWords(string s) { string ans = "", t = ""; istringstream is(s);// while(is >> t) { reverse(t.begin(), t.end()); ans…

557. Reverse Words in a String III 翻转句子中的每一个单词

［抄题］: 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&…

[LeetCode] 557. Reverse Words in a String III 翻转字符串中的单词 III

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"…

LeetCode 557 Reverse Words in a String III 解题报告

题目要求 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. 题目分析及思路题目给出一个字符串,要求将每个词中的字母顺序颠倒,但仍旧保留空格和原先的词序.可以用.split()方法将词分开并遍历,最后倒序并组成新的字符串. python代码 class…

[LeetCode&Python] Problem 557. Reverse Words in a String III

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"…

557. Reverse Words in a String III

static int wing=[]() { std::ios::sync_with_stdio(false); cin.tie(NULL); ; }(); class Solution { public: string reverseWords(string s) { int len=s.length(); ; auto p=s.begin(); ;i<len;i++) { if(s[i]==' ') { reverse(p+pre+,p+i); pre=i; } } reverse(p+pr…

557. Reverse Words in a String III （5月25日）

解答 class Solution { public: string reverseWords(string s) { string temp,result; while(1){ if(s.find(' ')!=string::npos){ temp=s.substr(0,s.find(' ')); reverse(temp.begin(),temp.end()); result += temp+" "; s=s.substr(s.find(' ')+1); } else{ temp=…

Leetcode - 557. Reverse Words in a String III (C++) stringstream

1. 题目:https://leetcode.com/problems/reverse-words-in-a-string-iii/discuss/ 反转字符串中的所有单词. 2. 思路: 这题主要是要注意空格的影响.比方说,string首尾和单词之间可能有一或多个空格.看到有人逐个对空格判断,但是我觉得逐个判断其实稍微容易出错(当然如果非常熟悉的话就完全无所谓啦),我的一个简单想法是用stringstream. PS:不熟悉stringstream的朋友可以看看链接的文档. 3. 代码 cla…

LeetCode 557. Reverse Words in a String III (反转字符串中的单词 III)

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"…

[LC] 557. Reverse Words in a String III

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"…

【LeetCode】557. Reverse Words in a String III 解题报告（Java & Python）

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录题目描述题目大意解题方法 Java解法 Python解法日期题目地址:https://leetcode.com/problems/reverse-words-in-a-string-iii/#/description 题目描述 Given a string, you need to reverse the order of characters in each word…

53. leetcode557. Reverse Words in a String III

557. Reverse Words in a String III 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: "…

ledecode Reverse Words in a String III

557. Reverse Words in a String III 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: "…

46. leetcode 500. Keyboard Row

500. Keyboard Row Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. Example 1: Input: ["Hello", "Alaska", "Dad", "Peace"…

Leetcode#500. Keyboard Row（键盘行）

题目描述给定一个单词列表,只返回可以使用在键盘同一行的字母打印出来的单词.键盘如下图所示. 示例1: 输入: ["Hello", "Alaska", "Dad", "Peace"] 输出: ["Alaska", "Dad"] 注意: 你可以重复使用键盘上同一字符. 你可以假设输入的字符串将只包含字母. 思路把键盘中的字母和其所在行数放到map中,然后比较一个字符串中是否都来自一行.…

[LeetCode] Reverse Words in a String III 翻转字符串中的单词之三

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"…

500. Keyboard Row

Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. Example 1: Input: ["Hello", "Alaska", "Dad", "Peace"] Output: ["A…

LeetCode 500 Keyboard Row 解题报告

题目要求 Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard. Note: You may use one character in the keyboard more than once. You may assume the input string will only contain letters…