LeetCode 36. Valid Sudoku
Description https://leetcode.com/problems/valid-sudoku/ Determine if a 9×9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: Each…
Category: Array
LeetCode 48. Rotate Image
Description https://leetcode.com/problems/rotate-image/ You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Note: You have…
LeetCode 283. Move Zeroes
Description https://leetcode.com/problems/move-zeroes/ Given an array nums, write a function to move all 0‘s to the end of it while maintaining the relative…
LeetCode 350. Intersection of Two Arrays II
Description https://leetcode.com/problems/intersection-of-two-arrays-ii/ Given two arrays, write a function to compute their intersection. Example 1: Input: nums1 = [1,2,2,1], nums2 =…
LeetCode 189. Rotate Array
Description https://leetcode.com/problems/rotate-array/ Given an array, rotate the array to the right by k steps, where k is non-negative. Example 1: Input: [1,2,3,4,5,6,7] and k…
LeetCode 217. Contains Duplicate
Description https://leetcode.com/problems/contains-duplicate/ Given an array of integers, find if the array contains any duplicates. Your function should return true if…
LeetCode 66. Plus One
Description https://leetcode.com/problems/plus-one/ Given a non-empty array of digits representing a non-negative integer, plus one to the integer. The digits are stored such that…
LeetCode 53. Maximum Subarray
Description https://leetcode.com/problems/maximum-subarray/ Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and…
LeetCode 11. Container With Most Water
Description https://leetcode.com/problems/container-with-most-water/ Given n non-negative integers a1, a2, …, an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two…
LeetCode 122. Best Time to Buy and Sell Stock II
Description https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/description/ Say you have an array for which the ith element is the price of a given stock on day i. Design…