3
Solved
0
Attempted
1
Bookmarked
Status
Title
Difficulty
Pattern
Acceptance
Two Sum4ms
Easy
Arrays & Hashing
49.1%
Longest Substring Without Repeating Characters
Medium
Sliding Window
33.8%
Valid Parentheses0ms
Easy
Stack
40.5%
Binary Search8ms
Easy
Binary Search
55.1%
Coin Change
Medium
Dynamic Programming
41.6%
Group Anagrams
Medium
Arrays & Hashing
70.5%
Top K Frequent Elements
Medium
Arrays & Hashing
64.4%
Encode and Decode Strings
Medium
Arrays & Hashing
47.4%
Product of Array Except Self
Medium
Arrays & Hashing
67.4%
Longest Consecutive Sequence
Medium
Arrays & Hashing
49.9%
Valid Palindrome
Easy
Two Pointers
44.6%
3Sum
Medium
Two Pointers
36.4%
Container With Most Water
Medium
Two Pointers
56.3%
Longest Repeating Character Replacement
Medium
Sliding Window
53.4%
Minimum Window Substring
Hard
Sliding Window
43.1%
Find Minimum in Rotated Sorted Array
Medium
Binary Search
49%
Search in Rotated Sorted Array
Medium
Binary Search
38.8%
Reverse Linked List
Easy
Linked List
78.2%
Merge Two Sorted Lists
Easy
Linked List
65.3%
Linked List Cycle
Easy
Linked List
50%
Reorder List
Medium
Linked List
55.4%
Remove Nth Node From End of List
Medium
Linked List
46.4%
Merge K Sorted Lists
Hard
Linked List
54.6%
Invert Binary Tree
Easy
Trees
76.5%
Maximum Depth of Binary Tree
Easy
Trees
76%
Same Tree
Easy
Trees
63.5%
Subtree of Another Tree
Easy
Trees
47%
Lowest Common Ancestor of a Binary Search Tree
Medium
Trees
64.5%
Binary Tree Level Order Traversal
Medium
Trees
65%
Validate Binary Search Tree
Medium
Trees
33.5%
Kth Smallest Element in a BST
Medium
Trees
73%
Construct Binary Tree from Preorder and Inorder Traversal
Medium
Trees
63%
Binary Tree Maximum Path Sum
Hard
Trees
40%
Serialize and Deserialize Binary Tree
Hard
Trees
58%
Find Median from Data Stream
Hard
Trees
53%
Combination Sum
Medium
Backtracking
73.5%
Word Search
Medium
Backtracking
44%
Implement Trie (Prefix Tree)
Medium
Tries
67%
Design Add and Search Words Data Structure
Medium
Tries
46%
Word Search II
Hard
Tries
37%
Clone Graph
Medium
Graphs
60%
Pacific Atlantic Water Flow
Medium
Graphs
56%
Course Schedule
Medium
Graphs
46.5%
Graph Valid Tree
Medium
Graphs
49%
Number of Connected Components in an Undirected Graph
Medium
Graphs
64%
Alien Dictionary
Hard
Graphs
35%
House Robber
Medium
Dynamic Programming
51.5%
House Robber II
Medium
Dynamic Programming
42%
Longest Palindromic Substring
Medium
Dynamic Programming
35%
Palindromic Substrings
Medium
Dynamic Programming
67%
Decode Ways
Medium
Dynamic Programming
36%
Maximum Product Subarray
Medium
Dynamic Programming
34.5%
Word Break
Medium
Dynamic Programming
46.5%
Longest Increasing Subsequence
Medium
Dynamic Programming
55%
Unique Paths
Medium
Dynamic Programming
64.5%
Longest Common Subsequence
Medium
Dynamic Programming
58.5%
Maximum Subarray
Medium
Greedy
50.5%
Jump Game
Medium
Greedy
39%
Insert Interval
Medium
Intervals
41.5%
Merge Intervals
Medium
Intervals
47.5%
Non-overlapping Intervals
Medium
Intervals
51.5%
Meeting Rooms
Easy
Intervals
58%
Meeting Rooms II
Medium
Intervals
51%
Rotate Image
Medium
Math & Geometry
76%
Spiral Matrix
Medium
Math & Geometry
49.5%
Set Matrix Zeroes
Medium
Math & Geometry
60.5%
Number of 1 Bits
Easy
Bit Manipulation
67%
Counting Bits
Easy
Bit Manipulation
78%
Reverse Bits
Easy
Bit Manipulation
56%
Missing Number
Easy
Bit Manipulation
64%
Sum of Two Integers
Medium
Bit Manipulation
53.5%
Showing 71 of 71 questions