hihocoder 1677 翻转字符串 splay

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hihocoder 1677 翻转字符串 splay

时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述给定一个字符串S,小Hi希望对S进行K次翻转操作. 每次翻转小Hi会指定两个整数Li和Ri,表示要将S[Li..Ri]进行翻转.(S下标从0开始,即S[0]是第一个字母) 例如对于S="abcdef",翻转S[2..3] 得到S="abdcef":再翻转S[0..5]得到S="fecdba". 输入第一行包含一个由小写字母组成的字符串S. 第二行包含一个整数K. 以下…

[LeetCode] Reverse Vowels of a String 翻转字符串中的元音字母

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". 这道题让我们翻转字符串中的元音字母,元音字母有五个a,e,i,o…

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

Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". Update (2015-02-12): For C programmers: Try to solve it in-place in O(1) space. click to show clarification. Cl…

[CareerCup] 1.2 Reverse String 翻转字符串

1.2 Implement a function void reverse(char *str) in C or C++ which reverses a null-terminated string. 这道题让我们用C++或C语言来翻转一个字符串,不算一道难题,在之前那道Reverse Words in a String 翻转字符串中的单词中用到了这个函数,跟那道题比起来,这题算简单的了.C语言的版本要比C++的稍微复杂一些,应为string类集成了很多有用的功能,比如得到字符串的长度,用下标…

lintcode ：Reverse Words in a String 翻转字符串

题目: 翻转字符串给定一个字符串,逐个翻转字符串中的每个单词. 样例给出s = "the sky is blue",返回"blue is sky the" 说明单词的构成:无空格字母构成一个单词输入字符串是否包括前导或者尾随空格?可以包括,但是反转后的字符不能包括如何处理两个单词间的多个空格?在反转字符串中间空格减少到只含一个解题: 这个题目方法很多的 1.整体反转,对每个单词再反转,但是中间的多个空格还有单独处理 2.把后面的单词,拿到前面去.参考程序…

[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"…

[LeetCode] Reverse String II 翻转字符串之二

Given a string and an integer k, you need to reverse the first k characters for every 2k characters counting from the start of the string. If there are less than k characters left, reverse all of them. If there are less than 2k but greater than or eq…