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Companies
Oracle
Array
Array
0/81 solved
Two Sum
EASY
Maximum Subarray
MEDIUM
Trapping Rain Water
HARD
Best Time to Buy and Sell Stock
EASY
3Sum
MEDIUM
Container With Most Water
MEDIUM
Median of Two Sorted Arrays
HARD
Search in Rotated Sorted Array
MEDIUM
Product of Array Except Self
MEDIUM
Number of Islands
MEDIUM
Merge Intervals
MEDIUM
Subarray Sum Equals K
MEDIUM
House Robber
MEDIUM
Find First and Last Position of Element in Sorted Array
MEDIUM
Longest Consecutive Sequence
MEDIUM
Majority Element
EASY
Jump Game
MEDIUM
Group Anagrams
MEDIUM
Permutations
MEDIUM
Coin Change
MEDIUM
Combination Sum
MEDIUM
Sort Colors
MEDIUM
Maximum Product Subarray
MEDIUM
Rotate Array
MEDIUM
Rotate Image
MEDIUM
Top K Frequent Elements
MEDIUM
Word Break
MEDIUM
Kth Largest Element in an Array
MEDIUM
First Missing Positive
HARD
Word Search
MEDIUM
Merge Sorted Array
EASY
Remove Duplicates from Sorted Array
EASY
Construct Binary Tree from Preorder and Inorder Traversal
MEDIUM
Spiral Matrix
MEDIUM
Set Matrix Zeroes
MEDIUM
Jump Game II
MEDIUM
Find Minimum in Rotated Sorted Array
MEDIUM
Daily Temperatures
MEDIUM
Rotting Oranges
MEDIUM
Pascal's Triangle
EASY
Minimum Size Subarray Sum
MEDIUM
Find Peak Element
MEDIUM
Missing Number
EASY
Gas Station
MEDIUM
Two Sum II - Input Array Is Sorted
MEDIUM
4Sum
MEDIUM
Combination Sum II
MEDIUM
Valid Sudoku
MEDIUM
Maximal Rectangle
HARD
Insert Interval
MEDIUM
Maximal Square
MEDIUM
Max Area of Island
MEDIUM
Sudoku Solver
HARD
Insert Delete GetRandom O(1)
MEDIUM
Largest Number
MEDIUM
Asteroid Collision
MEDIUM
Evaluate Reverse Polish Notation
MEDIUM
Intersection of Two Arrays II
EASY
Word Break II
HARD
Meeting Rooms II
MEDIUM
Shortest Path in Binary Matrix
MEDIUM
Construct Binary Search Tree from Preorder Traversal
MEDIUM
Design HashMap
EASY
Find Minimum in Rotated Sorted Array II
HARD
Number of Closed Islands
MEDIUM
Maximum Length of a Concatenated String with Unique Characters
MEDIUM
Max Points on a Line
HARD
Text Justification
HARD
Design Circular Queue
MEDIUM
Remove Element
EASY
Minimum Swaps To Make Sequences Increasing
HARD
Brick Wall
MEDIUM
Least Number of Unique Integers after K Removals
MEDIUM
Lucky Numbers in a Matrix
EASY
Design Tic-Tac-Toe
MEDIUM
Minimum Index Sum of Two Lists
EASY
Employee Free Time
HARD
Count Number of Pairs With Absolute Difference K
EASY
The Maze II
MEDIUM
Find Subsequence of Length K With the Largest Sum
EASY
Read N Characters Given read4 II - Call Multiple Times
HARD