sleepingboy888的专栏

题目：Remove Duplicates from Sorted Array Given a sorted array nums, remove the duplicates in-place such that each element appear only once and return the new length. Do not allocate extra space for ano...

题目： Swap Nodes in Pairs Given a linked list, swap every two adjacent nodes and return its head. You may not modify the values in the list’s nodes, only nodes itself may be changed. Example: Given 1-&...

前面刷过一个题，关于罗马字和阿拉伯数字转换，我之前的文章链接： https://blog.youkuaiyun.com/sleepingboy888/article/details/89814335 最近在看《算法的乐趣》王晓华著，其中的“阿拉伯数字和中文数字”。 阿拉伯数字转中文数字 ...

Implement strStr() Implement strStr(). Return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Example 1: Input: haystack = “hello”, needle = “ll” Out...

Substring with Concatenation of All Words You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a concatenatio...

Next Permutation Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not possible, it must rearrange it as the ...

三水桶等分8升水的问题 参考书：《算法的乐趣》王晓华著 问题描述 有三个容积分别是 3 升、5 升和 8 升的水桶，其中容积为8升的水桶中装满水，容积为 3 升和容积为 5 升的水桶是空的。三个水桶都没有体积刻度，现在需要将大水桶中的8升水等分成两份，每份都是4升水，附加条件是只能使用另外两个空水桶，不能使用其他容器。 好像是小学的暑假作业中的题目，答案就不说了，主要分析如何用代码来解题。用人的思...