Skip to main content

🎄 Hi! My blog is relocating. ⭐

m9H8

Problems
Tags

Excalidraw
Tldraw

Recent posts

150. Evaluate Reverse Polish Notation - LeetCode
739. Daily Temperatures - LeetCode
347. Top K Frequent Elements - LeetCode
49. Group Anagrams - LeetCode
515. Find Largest Value in Each Tree Row - LeetCode
91. Decode Ways - LeetCode
343. Integer Break - LeetCode
213. House Robber II - LeetCode
198. House Robber - LeetCode
3. Longest Substring Without Repeating Characters - LeetCode
189. Rotate Array - LeetCode
1647. Minimum Deletions to Make Character Frequencies Unique - LeetCode
1282. Group the People Given the Group Size They Belong To - LeetCode
2798. Number of Employees Who Met the Target - LeetCode
2799. Count Complete Subarrays in an Array - LeetCode
2806. Account Balance After Rounded Purchase - LeetCode
2807. Insert Greatest Common Divisors in Linked List - LeetCode
2810. Faulty Keyboard - LeetCode
2815. Max Pair Sum in an Array - LeetCode
322. Coin Change - LeetCode
371. Sum of Two Integers - LeetCode
1143. Longest Common Subsequence - LeetCode
11. Container With Most Water - LeetCode
15. 3Sum - LeetCode
33. Search in Rotated Sorted Array - LeetCode
153. Find Minimum in Rotated Sorted Array - LeetCode
53. Maximum Subarray - LeetCode
152. Maximum Product Subarray - LeetCode
238. Product of Array Except Self - LeetCode
74. Search a 2D Matrix - LeetCode
17. Letter Combinations of a Phone Number - LeetCode
300. Longest Increasing Subsequence - LeetCode
735. Asteroid Collision - LeetCode
146. LRU Cache - LeetCode
1146. Snapshot Array - LeetCode
1318. Minimum Flips to Make a OR b Equal to c - LeetCode
547. Number of Provinces - LeetCode
1971. Find if Path Exists in Graph - LeetCode
1091. Shortest Path in Binary Matrix - LeetCode
1396. Design Underground System - LeetCode
1579. Remove Max Number of Edges to Keep Graph Fully Traversable - LeetCode
1822. Sign of the Product of an Array - LeetCode
319. Bulb Switcher - LeetCode
983. Minimum Cost For Tickets - LeetCode
2336. Smallest Number in Infinite Set - LeetCode
71. Simplify Path - LeetCode
133. Clone Graph - LeetCode
208. Implement Trie (Prefix Tree) - LeetCode
20. Valid Parentheses - LeetCode
1768. Merge Strings Alternately - LeetCode
19. Remove Nth Node From End of List - LeetCode
43. Multiply Strings - LeetCode
54. Spiral Matrix - LeetCode
1706. Where Will the Ball Fall - LeetCode
78. Subsets - LeetCode
202. Happy Number - LeetCode
692. Top K Frequent Words - LeetCode
1046. Last Stone Weight - LeetCode
844. Backspace String Compare - LeetCode
299. Bulls and Cows - LeetCode
62. Unique Paths - LeetCode
424. Longest Repeating Character Replacement - LeetCode
438. Find All Anagrams in a String - LeetCode
70. Climbing Stairs - LeetCode
509. Fibonacci Number - LeetCode
746. Min Cost Climbing Stairs - LeetCode
223. Rectangle Area - LeetCode
374. Guess Number Higher or Lower - LeetCode
200. Number of Islands - LeetCode
235. Lowest Common Ancestor of a Binary Search Tree - LeetCode
733. Flood Fill - LeetCode
14. Longest Common Prefix - LeetCode
26. Remove Duplicates from Sorted Array - LeetCode
98. Validate Binary Search Tree - LeetCode
102. Binary Tree Level Order Traversal - LeetCode
704. Binary Search - LeetCode
121. Best Time to Buy and Sell Stock - LeetCode
142. Linked List Cycle II - LeetCode
409. Longest Palindrome - LeetCode
589. N-ary Tree Preorder Traversal - LeetCode

Tags

A

Array33

B

Backtracking2
Binary Search8
Binary Search Tree2
Binary Tree1
Bit Manipulation3
Brainteaser1
Breadth-First Search7
Bucket Sort2

C

Cache1
Combinatorics1
Counter2
Counting3

D

Daily Challenge1
Depth-First Search10
Design5
Divide and Conquer2
Doubly-Linked List1
Dynamic Programming16

E

Easy22
Enumeration1

G

Geometry1
Graph4
Greedy2

H

Hard1
Hash Table19
Heap (Priority Queue)4

L

Linked List4
list - Blind 7518
list - LeetCode 75 (old)26
list - LeetCode 75 (old) Level 120
list - LeetCode 75 (old) Level 29

M

Math11
Matrix6
Medium57
Memoization2
Monotonic Stack1

P

Prefix Sum1

Q

Quickselect1

R

Recursion2

S

Simulation6
Sliding Window4
Sorting5
Stack6
String20

T

Tree5
Trie3
Two Pointers7

U

Union Find3

Kopyleft Ⓚ 2024 m9H8. All rights `reversed`.