Popular Lists Problems
Below are the DSA problems of popular lists, intended for people completely new to data structures, algorithms and optimizations.
Blind 75
- 100. Same Tree
- 104. Maximum Depth of Binary Tree
- 1143. Longest Common Subsequence
- 141. Linked List Cycle
- 15. 3Sum
- 200. Number of Islands
- 206. Reverse Linked List
- 207. Course Schedule
- 238. Product of Array Except Self
- 268. Missing Number
- 295. Find Median from Data Stream
- 33. Search in Rotated Sorted Array
- 39. Combination Sum
- 424. Longest Repeating Character Replacement
- 62. Unique Paths
- 79. Word Search
Grind 169
- 1. Two Sum
- 100. Same Tree
- 104. Maximum Depth of Binary Tree
- 136. Single Number
- 141. Linked List Cycle
- 146. LRU Cache
- 15. 3Sum
- 169. Majority Element
- 2. Add Two Numbers
- 200. Number of Islands
- 206. Reverse Linked List
- 207. Course Schedule
- 238. Product of Array Except Self
- 268. Missing Number
- 295. Find Median from Data Stream
- 297. Serialize and Deserialize Binary Tree
- 33. Search in Rotated Sorted Array
- 39. Combination Sum
- 424. Longest Repeating Character Replacement
- 50. Pow(x, n)
- 62. Unique Paths
- 704. Binary Search
- 739. Daily Temperatures
- 79. Word Search
Grind 75
- 104. Maximum Depth of Binary Tree
- 141. Linked List Cycle
- 146. LRU Cache
- 15. 3Sum
- 169. Majority Element
- 200. Number of Islands
- 206. Reverse Linked List
- 207. Course Schedule
- 238. Product of Array Except Self
- 295. Find Median from Data Stream
- 297. Serialize and Deserialize Binary Tree
- 33. Search in Rotated Sorted Array
- 39. Combination Sum
- 62. Unique Paths
- 704. Binary Search
- 79. Word Search
Interview Master 100
- 1. Two Sum
- 104. Maximum Depth of Binary Tree
- 121. Best Time to Buy and Sell Stock
- 125. Valid Palindrome
- 136. Single Number
- 141. Linked List Cycle
- 15. 3Sum
- 169. Majority Element
- 19. Remove Nth Node From End of List
- 2. Add Two Numbers
- 20. Valid Parentheses
- 206. Reverse Linked List
- 207. Course Schedule
- 21. Merge Two Sorted Lists
- 238. Product of Array Except Self
- 242. Valid Anagram
- 268. Missing Number
- 295. Find Median from Data Stream
- 297. Serialize and Deserialize Binary Tree
- 3. Longest Substring Without Repeating Characters
- 33. Search in Rotated Sorted Array
- 39. Combination Sum
- 42. Trapping Rain Water
- 5. Longest Palindromic Substring
- 50. Pow(x, n)
- 62. Unique Paths
- 7. Reverse Integer
- 703. Kth Largest Element in a Stream
- 704. Binary Search
- 74. Search a 2D Matrix
- 746. Min Cost Climbing Stairs
- 79. Word Search
Neetcode 150
- 100. Same Tree
- 104. Maximum Depth of Binary Tree
- 1143. Longest Common Subsequence
- 136. Single Number
- 141. Linked List Cycle
- 146. LRU Cache
- 15. 3Sum
- 200. Number of Islands
- 206. Reverse Linked List
- 207. Course Schedule
- 238. Product of Array Except Self
- 268. Missing Number
- 295. Find Median from Data Stream
- 297. Serialize and Deserialize Binary Tree
- 33. Search in Rotated Sorted Array
- 39. Combination Sum
- 424. Longest Repeating Character Replacement
- 62. Unique Paths
- 704. Binary Search
- 739. Daily Temperatures
- 79. Word Search
- 875. Koko Eating Bananas
Neetcode 250
- 100. Same Tree
- 104. Maximum Depth of Binary Tree
- 1143. Longest Common Subsequence
- 121. Best Time to Buy and Sell Stock
- 125. Valid Palindrome
- 135. Candy
- 136. Single Number
- 141. Linked List Cycle
- 146. LRU Cache
- 15. 3Sum
- 169. Majority Element
- 200. Number of Islands
- 206. Reverse Linked List
- 207. Course Schedule
- 21. Merge Two Sorted Lists
- 238. Product of Array Except Self
- 268. Missing Number
- 295. Find Median from Data Stream
- 297. Serialize and Deserialize Binary Tree
- 33. Search in Rotated Sorted Array
- 355. Design Twitter
- 39. Combination Sum
- 424. Longest Repeating Character Replacement
- 62. Unique Paths
- 7. Reverse Integer
- 704. Binary Search
- 705. Design HashSet
- 706. Design HashMap
- 739. Daily Temperatures
- 79. Word Search
- 875. Koko Eating Bananas