Previous Questions

Salesforce

ID	Questions
1	Two Sum
3	Longest Substring Without Repeating Characters
5	Longest Palindromic Substring
9	Palindrome Number
14	Longest Common Prefix
15	3Sum
19	Remove Nth Node From End of List
20	Valid Parentheses
22	Generate Parentheses
23	Merge k Sorted Lists
33	Search in Rotated Sorted Array
37	Sudoku Solver
39	Combination Sum
41	First Missing Positive
42	Trapping Rain Water
44	Wildcard Matching
45	Jump Game II
46	Permutations
49	Group Anagrams
53	Maximum Subarray
55	Jump Game
56	Merge Intervals
63	Unique Paths II
74	Search a 2D Matrix
75	Sort Colors
84	Largest Rectangle in Histogram
91	Decode Ways
98	Validate Binary Search Tree
103	Binary Tree Zigzag Level Order Traversal
105	Construct Binary Tree from Preorder and Inorder Traversal
114	Flatten Binary Tree to Linked List
115	Distinct Subsequences
116	Populating Next Right Pointers in Each Node
120	Triangle
121	Best Time to Buy and Sell Stock
122	Best Time to Buy and Sell Stock II
124	Binary Tree Maximum Path Sum
133	Clone Graph
139	Word Break
146	LRU Cache
155	Min Stack
169	Majority Element
173	Binary Search Tree Iterator
179	Largest Number
189	Rotate Array
199	Binary Tree Right Side View
200	Number of Islands
205	Isomorphic Strings
207	Course Schedule
210	Course Schedule II
215	Kth Largest Element in an Array
221	Maximal Square
229	Majority Element II
236	Lowest Common Ancestor of a Binary Tree
238	Product of Array Except Self
239	Sliding Window Maximum
240	Search a 2D Matrix II
241	Different Ways to Add Parentheses
253	Meeting Rooms II
261	Graph Valid Tree
278	First Bad Version
283	Move Zeroes
297	Serialize and Deserialize Binary Tree
316	Remove Duplicate Letters
339	Nested List Weight Sum
347	Top K Frequent Elements
354	Russian Doll Envelopes
378	Kth Smallest Element in a Sorted Matrix
380	Insert Delete GetRandom O(1)
392	Is Subsequence
394	Decode String
410	Split Array Largest Sum
417	Pacific Atlantic Water Flow
423	Reconstruct Original Digits from English
435	Non-overlapping Intervals
456	132 Pattern
459	Repeated Substring Pattern
460	LFU Cache
486	Predict the Winner
502	IPO
526	Beautiful Arrangement
557	Reverse Words in a String III
588	Design In-Memory File System
628	Maximum Product of Three Numbers
691	Stickers to Spell Word
695	Max Area of Island
697	Degree of an Array
735	Asteroid Collision
739	Daily Temperatures
808	Number of Matching Subsequences
817	Design HashMap
896	Smallest Subtree with all the Deepest Nodes
907	Koko Eating Bananas
917	Boats to Save People
923	Super Egg Drop
931	Maximum Frequency Stack
1036	Rotting Oranges
1055	Pairs of Songs With Total Durations Divisible by 60
1056	Capacity To Ship Packages Within D Days
1097	Stream of Characters
1102	Check If a Number Is Majority Element in a Sorted Array
1127	Last Stone Weight
1128	Remove All Adjacent Duplicates In String
1137	Height Checker
1320	Remove All Adjacent Duplicates in String II
1397	Search Suggestions System
1451	Minimum Number of Taps to Open to Water a Garden
1478	Maximum Number of Events That Can Be Attended
1544	Count Good Nodes in Binary Tree
1561	Rearrange Words in a Sentence
1585	The kth Factor of n
1778	Maximize Grid Happiness
1803	Average Waiting Time
1859	Change Minimum Characters to Satisfy One of Three Conditions
1962	Single-Threaded CPU
2144	Maximum Difference Between Increasing Elements
2162	Partition Array Into Two Arrays to Minimize Sum Difference
2177	Check Whether Two Strings are Almost Equivalent
2699	Count the Number of Fair Pairs
3113	Beautiful Towers II
3114	Beautiful Towers I
3215	Matrix Similarity After Cyclic Shifts
3230	Remove Adjacent Almost-Equal Characters