LeetCode 360. Sort Transformed Array
Description https://leetcode.com/problems/sort-transformed-array/ Given a sorted integer array nums and three integers a, b and c, apply a quadratic function of the form f(x) = ax2 + bx + c to each…
Category: Sorting
LeetCode 280. Wiggle Sort
Description https://leetcode.com/problems/wiggle-sort/ Given an integer array nums, reorder it such that nums[0] <= nums[1] >= nums[2] <= nums[3]…. You may assume the…
LeetCode 912. Sort an Array
Description https://leetcode.com/problems/sort-an-array/ Given an array of integers nums, sort the array in ascending order. Example 1: Input: nums = [5,2,3,1] Output:…
LeetCode 148. Sort List
Description https://leetcode.com/problems/shuffle-the-array/ Given the head of a linked list, return the list after sorting it in ascending order. Follow up: Can you sort the linked…
LeetCode 23. Merge k Sorted Lists
Description https://leetcode.com/problems/merge-k-sorted-lists/ You are given an array of k linked-lists lists, each linked-list is sorted in ascending order. Merge all the linked-lists into…
LeetCode 322. Coin Change
Description https://leetcode.com/problems/coin-change/ You are given coins of different denominations and a total amount of money amount. Write a function to compute…
LeetCode 116. Populating Next Right Pointers in Each Node
Description https://leetcode.com/problems/search-a-2d-matrix-ii/ You are given a perfect binary tree where all leaves are on the same level, and every parent has two children.…
LeetCode 240. Search a 2D Matrix II
Description https://leetcode.com/problems/search-a-2d-matrix-ii/ Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers…
LeetCode 56. Merge Intervals
Description https://leetcode.com/problems/merge-intervals/ Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals, and return an array of the non-overlapping intervals that…
LeetCode 75. Sort Colors
Description https://leetcode.com/problems/sort-colors/ Given an array nums with n objects colored red, white, or blue, sort them in-place so that objects of the same color are adjacent,…