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…
Tag: Uber Interview Question
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/ You are given a large integer represented as an integer array digits, where each digits[i] is the ith digit of the integer. The digits are…
LeetCode 344. Reverse String
Description https://leetcode.com/problems/reverse-string/ Write a function that reverses a string. The input string is given as an array of characters char[]. Do…
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…
LeetCode 139. Word Break
Description Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine if s can be segmented into a space-separated sequence of one or more…
LeetCode 104. Maximum Depth of Binary Tree
Description Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest…
LeetCode 39. Combination Sum
Description https://leetcode.com/problems/combination-sum/ Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of candidates where the chosen numbers sum to target. You may…
LeetCode 155. Min Stack
Description Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) — Push…
LeetCode 8. String to Integer (atoi)
Description https://leetcode.com/problems/string-to-integer-atoi/ Implement atoi which converts a string to an integer. The function first discards as many whitespace characters as necessary until the…