ggppwx/lcode

personal repo

lcode

This is a personal repo for some code

Status

Review Status: 55 %

Total problems: 95

Need review: 42

problem table

Array

Id	Title	Solution	Review (days ago)
31	next permutation ⭐	link	5
59	spiral matrix ii	link	30
163	missing ranges ⏰	link	127
238	Product of Array Except Self ⏰ ⭐	link	40
287	find the duplicate number ⭐	link	27
560	subarray sum equals k ⏰	link	126

BFS

Id	Title	Solution	Review (days ago)
45	jump game ii ⭐	link	24
127	word ladder	link	10
841	Keys and Rooms	link	28

Backtracking

Id	Title	Solution	Review (days ago)
22	generate parentheses	link	30
52	N-Queens II	link	77
698	partition to k equal sum subsets	link	0

Binary search

Id	Title	Solution	Review (days ago)
222	Count Complete Tree Nodes	link	115
497	random point in non overlapping rectangles ⏰	link	125
528	random pick with weight ⏰	link	125
540	single element in a sorted array ⏰	link	126
875	koko eating bananas ⏰	link	125
911	online election ⏰	link	125

DFS

Id	Title	Solution	Review (days ago)
52	N-Queens II	link	77
854	K-Similar Strings	link	5
979	distribute coins in binary tree	link	10
1110	Delete Nodes And Return Forest ⭐	link	10

DP

Id	Title	Solution	Review (days ago)
55	Jump Game ⭐	link	13
63	unique paths ii ⏰	link	125
132	palindrome partitioning ii ⭐	link	25
152	maximum product subarray ⏰	link	125
213	house robber ii ⏰	link	125
221	maximal square ⭐	link	20
363	max sum of rectangle no larger than k ⭐	link	13
688	Knight Probability in Chessboard ⏰	link	125
698	partition to k equal sum subsets	link	0
727	Minimum Window Subsequence	link	13
790	domino and tromino tiling	link	13
823	binary trees with factors ⏰	link	125
873	length of longest fibonacci subsequence	link	13
931	minimum falling path sum ⏰	link	126
983	minimum cost for tickets ⏰	link	125
1000	minimum cost to merge stones	link	13
1024	video stitching	link	3
1039	minimum score triangulation of polygon ⭐	link	14
1055	Shortest Way to Form String ⁉️	link	37
1105	filling bookcase shelves	link	14

Design

Id	Title	Solution	Review (days ago)
284	peeking iterator	link	30

Graph

Id	Title	Solution	Review (days ago)
802	find eventual safe states ⏰	link	125

Greedy

Id	Title	Solution	Review (days ago)
45	jump game ii ⭐	link	24
55	Jump Game ⭐	link	13
134	gas station ⭐	link	10
253	Meeting Rooms II ⭐	link	3
955	delete columns to make sorted ii	link	5
1024	video stitching	link	3
1055	Shortest Way to Form String ⁉️	link	37

Hash

Id	Title	Solution	Review (days ago)
299	Bulls and Cows	link	87
340	Longest Substring with At Most K Distinct Characters ⏰ ⭐	link	43
895	Maximum Frequency Stack ⏰	link	33

Heap

Id	Title	Solution	Review (days ago)
253	Meeting Rooms II ⭐	link	3

Linked list

Id	Title	Solution	Review (days ago)
25	Reverse Nodes in k-Group	link	12
86	partition list ⏰	link	43
146	lru cache ⭐	link	12
147	insertion sort list ⏰ ⭐	link	126
382	Linked List Random Node ⏰ ⭐	link	40
445	add two numbers ii ⏰	link	126

Math

Id	Title	Solution	Review (days ago)
60	permutation sequence	link	2
382	Linked List Random Node ⏰ ⭐	link	40
517	super washing machines ⏰	link	125

Queue

Id	Title	Solution	Review (days ago)
622	design circular queue	link	30

Recursion

Id	Title	Solution	Review (days ago)
247	Strobogrammatic Number II	link	0
698	partition to k equal sum subsets	link	0
779	k th symbol in grammar ⏰	link	125
894	all possible full binary trees	link	125

Sliding window

Id	Title	Solution	Review (days ago)
340	Longest Substring with At Most K Distinct Characters ⏰ ⭐	link	43

Sort

Id	Title	Solution	Review (days ago)
524	longest word in dictionary through deleting ⏰	link	125
969	Pancake Sorting ⏰	link	125

Stack

Id	Title	Solution	Review (days ago)
71	simplify path ⏰	link	125

String

Id	Title	Solution	Review (days ago)
22	generate parentheses	link	30
43	multiply strings ⏰	link	126
916	word subsets ⏰	link	27

Tree

Id	Title	Solution	Review (days ago)
94	binary tree inorder traversal ⏰	link	125
98	Validate Binary Search Tree	link	77
129	sum root to leaf numbers ⏰	link	126
230	kth smallest element in a bst ⏰	link	125
297	serialize and deserialize binary tree ⏰	link	125
508	most frequent subtree sum ⏰	link	125
543	diameter of binary tree ⏰	link	125
549	Binary Tree Longest Consecutive Sequence II	link	77
654	maximum binary tree ⏰	link	125
814	binary tree pruning ⏰	link	125
889	Construct Binary Tree from Preorder and Postorder Traversal ⏰	link	125
894	all possible full binary trees	link	125
951	flip equivalent binary trees ⏰	link	125
958	check completeness of a binary tree ⏰	link	126
979	distribute coins in binary tree	link	10
1110	Delete Nodes And Return Forest ⭐	link	10

Trie

Id	Title	Solution	Review (days ago)
208	implement trie prefix tree	link	3
720	Longest Word in Dictionary	link	3

Union find

Id	Title	Solution	Review (days ago)
547	Friend Circles	link	25

Untagged

Id	Title	Solution

lcode's Issues

Let's create a awesome github page contains tag

Adding Mkdocs support

• Mkdocs

Add difficulty

Add problem counter

解题总结github'