leetcode

Leetcode practice in Python

Idx	ID	Problem Name	Difficulty	Wiki	Solution
1	1	Two Sum	Easy		Solution
2	3	Longest Substring Without Repeating C...	Medium		Solution
3	11	Container With Most Water	Medium		Solution
4	15	3Sum	Medium		Solution
5	16	3Sum Closest	Medium		Solution
6	17	Letter Combinations of a Phone Number	Medium		Solution
7	20	Valid Parentheses	Easy		Solution
8	21	Merge Two Sorted Lists	Easy		Solution
9	22	Generate Parentheses	Medium		Solution
10	26	Remove Duplicates from Sorted Array	Easy		Solution
11	27	Remove Element	Easy		Solution
12	33	Search in Rotated Sorted Array	Medium		Solution
13	34	Find First and Last Position of Eleme...	Medium		Solution
14	37	Sudoku Solver	Hard		Solution
15	39	Combination Sum	Medium		Solution
16	40	Combination Sum II	Medium		Solution
17	42	Trapping Rain Water	Hard		Solution
18	46	Permutations	Medium		Solution
19	47	Permutations II	Medium		Solution
20	49	Group Anagrams	Medium		Solution
21	51	N-Queens	Hard		Solution
22	69	Sqrt(x)	Easy		Solution
23	70	Climbing Stairs	Easy		Solution
24	71	Simplify Path	Medium		Solution
25	74	Search a 2D Matrix	Medium		Solution
26	76	Minimum Window Substring	Hard		Solution
27	76	Minimum Window Substring	Hard		Solution
28	78	Subsets	Medium		Solution
29	79	Word Search	Medium		Solution
30	81	Search in Rotated Sorted Array II	Medium		Solution
31	90	Subsets II	Medium		Solution
32	98	Validate Binary Search Tree	Medium		Solution
33	100	Same Tree	Easy		Solution
34	102	Binary Tree Level Order Traversal	Medium		Solution
35	104	Maximum Depth of Binary Tree	Easy		Solution
36	121	Best Time to Buy and Sell Stock	Easy		Solution
37	122	Best Time to Buy and Sell Stock II	Medium		Solution
38	125	Valid Palindrome	Easy		Solution
39	131	Palindrome Partitioning	Medium		Solution
40	136	Single Number	Easy		Solution
41	137	Single Number II	Medium		Solution
42	141	Linked List Cycle	Easy		Solution
43	146	LRU Cache	Medium		Solution
44	154	Find Minimum in Rotated Sorted Array II	Hard		Solution
45	155	Min Stack	Medium		Solution
46	159	Longest Substring with At Most Two Di...	Medium		Solution
47	167	Two Sum II - Input array is sorted	Medium		Solution
48	173	Binary Search Tree Iterator	Medium		Solution
49	189	Rotate Array	Medium		Solution
50	198	House Robber	Medium		Solution
51	200	Number of Islands	Medium		Solution
52	206	Reverse Linked List	Easy		Solution
53	207	Course Schedule	Medium		Solution
54	209	Minimum Size Subarray Sum	Medium		Solution
55	213	House Robber II	Medium		Solution
56	216	Combination Sum III	Medium		Solution
57	226	Invert Binary Tree	Easy		Solution
58	227	Basic Calculator II	Medium		Solution
59	230	Kth Smallest Element in a BST	Medium		Solution
60	236	Lowest Common Ancestor of a Binary Tree	Medium		Solution
61	238	Product of Array Except Self	Medium		Solution
62	239	Sliding Window Maximum	Hard		Solution
63	242	Valid Anagram	Easy		Solution
64	260	Single Number III	Medium		Solution
65	278	First Bad Version	Easy		Solution
66	283	Move Zeroes	Easy		Solution
67	438	Find All Anagrams in a String	Medium		Solution
68	487	Max Consecutive Ones II	Medium		Solution
69	509	Fibonacci Number	Easy		Solution
70	543	Diameter of Binary Tree	Easy		Solution
71	560	Subarray Sum Equals K	Medium		Solution
72	567	Permutation in String	Medium		Solution
73	643	Maximum Average Subarray I	Easy		Solution
74	700	Search in a Binary Search Tree	Easy		Solution
75	704	Binary Search	Easy		Solution
76	740	Delete and Earn	Medium		Solution
77	746	Min Cost Climbing Stairs	Easy		Solution
78	784	Letter Case Permutation	Medium		Solution
79	1052	Grumpy Bookstore Owner	Medium		Solution
80	1060	Missing Element in Sorted Array	Medium		Solution
81	1106	Parsing a Boolean Expression	Medium		Solution
82	1106	Parsing a Boolean Expression	Hard		Solution
83	1137	Nth Tribonacci Number	Easy		Solution
84	1151	Minimum Swaps to Group All 1's Together	Medium		Solution
85	1208	Get Equal Substrings Within Budget	Medium		Solution
86	1423	Maximum Points You Can Obtain from Cards	Medium		Solution
87	1432	Max Difference You Can Get From Chang...	Medium		Solution
88	1473	Final Price With a Special Discount i...	Easy		Solution
89	1482	Minimum Number of Days to Make m Bouq...	Medium		Solution
90	1695	Maximum Erasure Value	Medium		Solution

Reference:

• https://leetcode-cn.com/
• https://leetcode.com/