LeetCode | 刷题日志

Write a function to delete a node (except the tail) in a singly linked list, given only access to th…

Given a linked list and a value x, partition it such that all nodes less than x come before nodes gr…

Remove all elements from a linked list of integers that have value val. ExampleGiven: 1 –> …

Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numb…

Given a sorted linked list, delete all duplicates such that each element appear only once. For examp…

You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). …

Given an integer array, you need to find one continuous subarray that if you only sort this subarray…

Given an index k, return the kth row of the Pascal’s triangle. For example, given k = 3,Return…

Given numRows, generate the first numRows of Pascal’s triangle. For example, given numRows = 5…

Given a list of words and two words word1 and word2, return the shortest distance between these two …

Given a word, you need to judge whether the usage of capitals in it is right or not. We define the u…

Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle…

Suppose you have a long flowerbed in which some of the plots are planted and some are not. However, …

Given m arrays, and each array is sorted in ascending order. Now you can pick up two integers from t…

Given an array consisting of n integers, find the contiguous subarray of given length k that has the…