Categories

leetcode

2020-02-15 » Merge Two Binary Trees
2020-02-08 » Kinds of House Robber
2019-12-31 » Exam Room
2019-12-19 » Subarray Sums Divisible by K
2019-11-23 » Convert Binary Search Tree to Sorted Doubly Linked List
2019-11-23 » Alien Dictionary
2019-11-16 » Random Pick with Weight
2019-10-30 » Rotate Image
2019-10-12 » Gas Station
2019-09-24 » Implement Rand10() Using Rand7()
2019-09-19 » Word Break II
2019-09-19 » Kinds of Coin Change
2019-09-17 » 44. Wildcard Matching
2019-09-13 » Merge Two Sorted Lists
2019-09-11 » Copy List with Random Pointer
2019-09-10 » Minimum Cost to Merge Stones
2019-09-08 » Find Median from Data Stream
2019-09-05 » Divide Two Integers
2019-09-04 » Shuffle an Array
2019-09-04 » LRU Cache
2019-09-04 » Longest Substring with At Least K Repeating Characters
2019-08-30 » Maximum Product Subarray
2019-08-29 » Search a 2D Matrix II
2019-08-29 » Game of Life
2019-08-28 » Count of Smaller Numbers After Self
2019-08-27 » Increasing Triplet Subsequence
2019-08-20 » Minimum Cost to Hire K Workers
2019-08-19 » Kth Smallest Element in a Sorted Matrix
2019-08-17 » Queue Reconstruction by Height
2019-08-16 » 861. Score After Flipping Matrix
2019-08-09 » 287. Find the Duplicate Number
2019-08-07 » Linked List Cycle
2019-08-06 » 215. Kth Largest Element in an Array
2019-07-25 » Kinds of Combination Sum
2019-07-25 » 264. Ugly Number II
2019-07-25 » 935. Knight Dialer
2019-07-18 » 979. Distribute Coins in Binary Tree
2019-07-11 » 516. Longest Palindromic Subsequence
2019-07-09 » 712. Minimum ASCII Delete Sum for Two Strings
2019-07-09 » 1105. Filling Bookcase Shelves
2019-07-07 » 338. Counting Bits
2019-07-07 » 647. Palindromic Substrings
2019-07-05 » 877. Stone Game
2019-06-29 » 785. Is Graph Bipartite

dfs

2020-02-15 » Merge Two Binary Trees
2019-11-23 » Convert Binary Search Tree to Sorted Doubly Linked List
2019-09-19 » Word Break II
2019-09-04 » Longest Substring with At Least K Repeating Characters
2019-07-18 » 979. Distribute Coins in Binary Tree
2019-06-29 » 785. Is Graph Bipartite

dp

2020-02-08 » Kinds of House Robber
2020-01-18 » Sequence
2019-09-19 » Word Break II
2019-09-19 » Kinds of Coin Change
2019-09-17 » 44. Wildcard Matching
2019-09-10 » Minimum Cost to Merge Stones
2019-08-30 » Maximum Product Subarray
2019-07-25 » Kinds of Combination Sum
2019-07-25 » 264. Ugly Number II
2019-07-25 » 935. Knight Dialer
2019-07-11 » 516. Longest Palindromic Subsequence
2019-07-09 » 712. Minimum ASCII Delete Sum for Two Strings
2019-07-09 » 1105. Filling Bookcase Shelves
2019-07-07 » 338. Counting Bits
2019-07-07 » 647. Palindromic Substrings
2019-07-05 » 877. Stone Game

template

2019-11-09 » Binary Search
2019-10-30 » Josephus
2019-09-20 » Radix sort
2019-08-22 » Segment tree
2019-07-31 » Prime number

math

2019-10-30 » Josephus
2019-09-24 » Implement Rand10() Using Rand7()
2019-09-05 » Divide Two Integers
2019-07-31 » Prime number

resume

2019-08-05 » Resume template

heap

2019-09-08 » Find Median from Data Stream
2019-08-20 » Minimum Cost to Hire K Workers
2019-08-19 » Kth Smallest Element in a Sorted Matrix
2019-08-06 » 215. Kth Largest Element in an Array

linked list

2019-09-13 » Merge Two Sorted Lists
2019-09-11 » Copy List with Random Pointer
2019-09-04 » Shuffle an Array
2019-09-04 » LRU Cache
2019-08-09 » 287. Find the Duplicate Number
2019-08-07 » Linked List Cycle

greedy

2019-10-30 » Rotate Image
2019-10-12 » Gas Station
2019-08-27 » Increasing Triplet Subsequence
2019-08-17 » Queue Reconstruction by Height
2019-08-16 » 861. Score After Flipping Matrix

segment tree

2019-08-22 » Segment tree

merge sort

2019-08-28 » Count of Smaller Numbers After Self

binary search

2019-11-16 » Random Pick with Weight
2019-11-09 » Binary Search
2019-09-08 » Find Median from Data Stream
2019-08-29 » Search a 2D Matrix II

sort

2019-09-20 » Radix sort

topological sort

2019-11-23 » Alien Dictionary

hash

2019-12-31 » Exam Room
2019-12-19 » Subarray Sums Divisible by K

codeforce

2020-01-18 » Sequence

Java

2020-02-03 » Interview points

Interview

2020-02-03 » Interview points