237. Delete Node in a Linked List

237. Delete Node in a Linked List

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

LeetCode –  86. Partition List

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

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

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

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

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

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

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

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

LeetCode – 243. Shortest Word Distance

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

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