
LeetCode – 86. Partition List
Given a linked list and a value x, partition it such that all nodes less than x come before nodes gr…

LeetCode – 203. Remove Linked List Elements
Remove all elements from a linked list of integers that have value val. Example Given: 1 –>…

LeetCode – 82. Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numb…

LeetCode – 83. Remove Duplicates from Sorted List
Given a sorted linked list, delete all duplicates such that each element appear only once. For examp…

LeetCode – 48. Rotate Image
You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). …

LeetCode – 581. Shortest Unsorted Continuous Subarray
Given an integer array, you need to find one continuous subarray that if you only sort this subarray…

LeetCode – 119. Pascal’s Triangle II
Given an index k, return the kth row of the Pascal’s triangle. For example, given k = 3, Retur…

LeetCode – 118. Pascal’s Triangle
Given numRows, generate the first numRows of Pascal’s triangle. For example, given numRows = 5…

LeetCode – 243. Shortest Word Distance
Given a list of words and two words word1 and word2, return the shortest distance between these two …

LeetCode – 520. Detect Capital
Given a word, you need to judge whether the usage of capitals in it is right or not. We define the u…