amazon leetcodelist 4jan 2020

	1192
Critical Connections in a Network	48.8%	Hard
937
Reorder Data in Log Files	53.7%	Easy
138
Copy List with Random Pointer	31.4%	Medium
200
Number of Islands	44.2%	Medium
5
Longest Palindromic Substring	28.5%	Medium
572
Subtree of Another Tree	43.4%	Easy
1
Two Sum	44.9%	Easy
819
Most Common Word	43.4%	Easy
240
Search a 2D Matrix II	42.2%	Medium
994
Rotting Oranges	46.6%	Easy
146
LRU Cache	29.1%	Medium
21
Merge Two Sorted Lists	50.6%	Easy
973
K Closest Points to Origin	61.5%	Medium
957
Prison Cells After N Days	38.8%	Medium
472
Concatenated Words	39.5%	Hard
42
Trapping Rain Water	46.2%	Hard
295
Find Median from Data Stream	40.4%	Hard
1167
Minimum Cost to Connect Sticks
61.2%	Medium
297
Serialize and Deserialize Binary Tree	44.3%	Hard
23
Merge k Sorted Lists	37.5%	Hard
642
Design Search Autocomplete System
41.8%	Hard
126
Word Ladder II	20.0%	Hard
1000
Minimum Cost to Merge Stones	38.1%	Hard
692
Top K Frequent Words	48.5%	Medium
212
Word Search II	31.4%	Hard
348
Design Tic-Tac-Toe
52.2%	Medium
127
Word Ladder	26.9%	Medium
273
Integer to English Words	25.5%	Hard
1099
Two Sum Less Than K
60.2%	Easy
1102
Path With Maximum Minimum Value
48.1%	Medium
866
Prime Palindrome	23.0%	Medium
460
LFU Cache	31.8%	Hard
456
132 Pattern	28.4%	Medium
1268
Search Suggestions System	54.4%	Medium
545
Boundary of Binary Tree
37.4%	Medium
2
Add Two Numbers	32.5%	Medium
347
Top K Frequent Elements	58.2%	Medium
1152
Analyze User Website Visit Pattern
40.9%	Medium
103
Binary Tree Zigzag Level Order Traversal	44.6%	Medium
253
Meeting Rooms II
44.4%	Medium
139
Word Break	37.7%	Medium
49
Group Anagrams	51.6%	Medium
772
Basic Calculator III
40.9%	Hard
341
Flatten Nested List Iterator	50.7%	Medium
770
Basic Calculator IV	46.6%	Hard
980
Unique Paths III	71.8%	Hard
124
Binary Tree Maximum Path Sum	31.9%	Hard
3
Longest Substring Without Repeating Characters	29.3%	Medium
759
Employee Free Time
63.9%	Hard
388
Longest Absolute File Path	40.6%	Medium
99
Recover Binary Search Tree	36.9%	Hard
380
Insert Delete GetRandom O(1)	44.9%	Medium
1155
Number of Dice Rolls With Target Sum	49.2%	Medium
207
Course Schedule	40.3%	Medium
20
Valid Parentheses	37.8%	Easy
503
Next Greater Element II	53.4%	Medium
140
Word Break II	29.2%	Hard
74
Search a 2D Matrix	35.7%	Medium
121
Best Time to Buy and Sell Stock	49.0%	Easy
322
Coin Change	33.0%	Medium
1044
Longest Duplicate Substring	24.6%	Hard
15
3Sum	25.5%	Medium
33
Search in Rotated Sorted Array	33.5%	Medium
1091
Shortest Path in Binary Matrix	37.0%	Medium
449
Serialize and Deserialize BST	49.9%	Medium
981
Time Based Key-Value Store	51.9%	Medium
239
Sliding Window Maximum	40.3%	Hard
109
Convert Sorted List to Binary Search Tree	44.1%	Medium
694
Number of Distinct Islands
53.6%	Medium
675
Cut Off Trees for Golf Event	33.3%	Hard
706
Design HashMap	58.2%	Easy
45
Jump Game II	29.4%	Hard
238
Product of Array Except Self	57.9%	Medium
767
Reorganize String	45.6%	Medium
909
Snakes and Ladders	36.7%	Medium
1046
Last Stone Weight	62.5%	Easy
269
Alien Dictionary
33.5%	Hard
289
Game of Life	50.1%	Medium
353
Design Snake Game
32.4%	Medium
863
All Nodes Distance K in Binary Tree	51.9%	Medium
1038
Binary Search Tree to Greater Sum Tree	78.7%	Medium
53
Maximum Subarray	45.3%	Easy
543
Diameter of Binary Tree	48.1%	Easy
155
Min Stack	40.2%	Easy
535
Encode and Decode TinyURL	78.4%	Medium
560
Subarray Sum Equals K	43.3%	Medium
362
Design Hit Counter
61.5%	Medium
588
Design In-Memory File System
43.0%	Hard
992
Subarrays with K Different Integers	46.1%	Hard
224
Basic Calculator	35.0%	Hard
739
Daily Temperatures	61.6%	Medium
22
Generate Parentheses	58.8%	Medium
490
The Maze
49.7%	Medium
32
Longest Valid Parentheses	27.0%	Hard
997
Find the Town Judge	49.5%	Easy
206
Reverse Linked List	58.7%	Easy
634
Find the Derangement of An Array
39.4%	Medium
340
Longest Substring with At Most K Distinct Characters
42.1%	Hard
11
Container With Most Water	48.2%	Medium
91
Decode Ways	23.4%	Medium
98
Validate Binary Search Tree	26.8%	Medium
529
Minesweeper	56.1%	Medium
215
Kth Largest Element in an Array	51.6%	Medium
123
Best Time to Buy and Sell Stock III	35.6%	Hard
221
Maximal Square	34.9%	Medium
409
Longest Palindrome	49.2%	Easy
4
Median of Two Sorted Arrays	28.0%	Hard
12
Integer to Roman	53.1%	Medium
445
Add Two Numbers II	52.3%	Medium
323
Number of Connected Components in an Undirected Graph
53.8%	Medium
57
Insert Interval	32.3%	Hard
678
Valid Parenthesis String	33.7%	Medium
165
Compare Version Numbers	25.5%	Medium
1100
Find K-Length Substrings With No Repeated Characters
71.7%	Medium
133
Clone Graph	30.5%	Medium
854
K-Similar Strings	37.0%	Hard
733
Flood Fill	52.6%	Easy
516
Longest Palindromic Subsequence	49.8%	Medium
1122
Relative Sort Array	66.8%	Easy
76
Minimum Window Substring	32.9%	Hard
963
Minimum Area Rectangle II	48.2%	Medium
1135
Connecting Cities With Minimum Cost
55.5%	Medium
143
Reorder List	33.6%	Medium
1120
Maximum Average Subtree
61.7%	Medium
943
Find the Shortest Superstring	41.2%	Hard
208
Implement Trie (Prefix Tree)	42.7%	Medium
542
01 Matrix	37.8%	Medium
79
Word Search	33.2%	Medium
63
Unique Paths II	33.8%	Medium
1214
Two Sum BSTs
65.6%	Medium
703
Kth Largest Element in a Stream	47.8%	Easy
815
Bus Routes	41.5%	Hard
314
Binary Tree Vertical Order Traversal
42.9%	Medium
46
Permutations	59.3%	Medium
387
First Unique Character in a String	51.2%	Easy
78
Subsets	57.0%	Medium
236
Lowest Common Ancestor of a Binary Tree	41.6%	Medium
628
Maximum Product of Three Numbers	46.8%	Easy
496
Next Greater Element I	61.6%	Easy
134
Gas Station	36.0%	Medium
277
Find the Celebrity
39.5%	Medium
986
Interval List Intersections	64.7%	Medium
1104
Path In Zigzag Labelled Binary Tree	70.7%	Medium
59
Spiral Matrix II	50.5%	Medium
227
Basic Calculator II	35.4%	Medium
54
Spiral Matrix	32.3%	Medium
62
Unique Paths	50.6%	Medium
939
Minimum Area Rectangle	51.9%	Medium
64
Minimum Path Sum	50.1%	Medium
1060
Missing Element in Sorted Array
53.8%	Medium
695
Max Area of Island	59.9%	Medium
106
Construct Binary Tree from Inorder and Postorder Traversal	42.4%	Medium
56
Merge Intervals	37.5%	Medium
105
Construct Binary Tree from Preorder and Inorder Traversal	44.9%	Medium
17
Letter Combinations of a Phone Number	44.2%	Medium
518
Coin Change 2	45.6%	Medium
1062
Longest Repeating Substring
53.5%	Medium
85
Maximal Rectangle	35.5%	Hard
556
Next Greater Element III	30.8%	Medium
417
Pacific Atlantic Water Flow	39.0%	Medium
102
Binary Tree Level Order Traversal	51.5%	Medium
794
Valid Tic-Tac-Toe State	31.8%	Medium
621
Task Scheduler	47.2%	Medium
732
My Calendar III	57.7%	Hard
321
Create Maximum Number	26.1%	Hard
437
Path Sum III	44.5%	Easy
489
Robot Room Cleaner
67.2%	Hard
1236
Web Crawler
64.4%	Medium
498
Diagonal Traverse	46.5%	Medium
399
Evaluate Division	49.6%	Medium
96
Unique Binary Search Trees	49.0%	Medium
895
Maximum Frequency Stack	59.2%	Hard
218
The Skyline Problem	33.1%	Hard
199
Binary Tree Right Side View	50.9%	Medium
378
Kth Smallest Element in a Sorted Matrix	51.7%	Medium
97
Interleaving String	29.7%	Hard
966
Vowel Spellchecker	45.5%	Medium
30
Substring with Concatenation of All Words	24.6%	Hard
688
Knight Probability in Chessboard	46.6%	Medium
622
Design Circular Queue	41.8%	Medium
68
Text Justification	25.4%	Hard
150
Evaluate Reverse Polish Notation	34.3%	Medium
1010
Pairs of Songs With Total Durations Divisible by 60	46.7%	Easy
300
Longest Increasing Subsequence	41.8%	Medium
214
Shortest Palindrome	28.7%	Hard
210
Course Schedule II	37.5%	Medium
31
Next Permutation	31.5%	Medium
84
Largest Rectangle in Histogram	33.1%	Hard
270
Closest Binary Search Tree Value
45.7%	Easy
358
Rearrange String k Distance Apart
34.0%	Hard
384
Shuffle an Array	51.5%	Medium
284
Peeking Iterator	42.8%	Medium
632
Smallest Range Covering Elements from K Lists	50.2%	Hard
336
Palindrome Pairs	32.5%	Hard
1024
Video Stitching	47.7%	Medium
25
Reverse Nodes in k-Group	39.0%	Hard
346
Moving Average from Data Stream
68.5%	Easy
647
Palindromic Substrings	58.8%	Medium
1032
Stream of Characters	46.1%	Hard
36
Valid Sudoku	46.0%	Medium
525
Contiguous Array	44.4%	Medium
307
Range Sum Query - Mutable	31.6%	Medium
390
Elimination Game	44.2%	Medium
315
Count of Smaller Numbers After Self	40.2%	Hard
438
Find All Anagrams in a String	39.7%	Medium
287
Find the Duplicate Number	52.0%	Medium
702
Search in a Sorted Array of Unknown Size
63.4%	Medium
787
Cheapest Flights Within K Stops	36.9%	Medium
301
Remove Invalid Parentheses	41.3%	Hard
48
Rotate Image	52.4%	Medium
698
Partition to K Equal Sum Subsets	44.3%	Medium
1084
Sales Analysis III
54.5%	Easy
463
Island Perimeter	62.4%	Easy
509
Fibonacci Number	66.7%	Easy
428
Serialize and Deserialize N-ary Tree
57.0%	Hard
18
4Sum	32.2%	Medium
719
Find K-th Smallest Pair Distance	30.3%	Hard
653
Two Sum IV - Input is a BST	54.0%	Easy
1022
Sum of Root To Leaf Binary Numbers	63.5%	Easy
1219
Path with Maximum Gold	62.3%	Medium
286
Walls and Gates
51.7%	Medium
1074
Number of Submatrices That Sum to Target	59.9%	Hard
538
Convert BST to Greater Tree	53.1%	Easy
394
Decode String	47.6%	Medium
402
Remove K Digits	27.4%	Medium
541
Reverse String II	46.9%	Easy
430
Flatten a Multilevel Doubly Linked List	47.3%	Medium
100
Same Tree	51.5%	Easy
164
Maximum Gap	34.0%	Hard
272
Closest Binary Search Tree Value II
48.1%	Hard
75
Sort Colors	44.2%	Medium
228
Summary Ranges	37.7%	Medium
149
Max Points on a Line	16.4%	Hard
73
Set Matrix Zeroes	41.6%	Medium
50
Pow(x, n)	28.9%	Medium
39
Combination Sum	52.4%	Medium
528
Random Pick with Weight	43.3%	Medium
82
Remove Duplicates from Sorted List II	34.9%	Medium
117
Populating Next Right Pointers in Each Node II	36.6%	Medium
10
Regular Expression Matching	26.0%	Hard
978
Longest Turbulent Subarray	46.0%	Medium
93
Restore IP Addresses	33.2%	Medium
24
Swap Nodes in Pairs	47.6%	Medium
72
Edit Distance	40.7%	Hard
1161
Maximum Level Sum of a Binary Tree	70.9%	Medium
741
Cherry Pickup	32.7%	Hard
381
Insert Delete GetRandom O(1) - Duplicates allowed	33.2%	Hard
426
Convert Binary Search Tree to Sorted Doubly Linked List
56.1%	Medium
737
Sentence Similarity II
44.8%	Medium
70
Climbing Stairs	45.8%	Easy
101
Symmetric Tree	45.3%	Easy
974
Subarray Sums Divisible by K	47.3%	Medium
222
Count Complete Tree Nodes	39.7%	Medium
1066
Campus Bikes II
53.3%	Medium
727
Minimum Window Subsequence
40.1%	Hard
37
Sudoku Solver	40.2%	Hard
116
Populating Next Right Pointers in Each Node	41.0%	Medium
468
Validate IP Address	22.0%	Medium
317
Shortest Distance from All Buildings
39.7%	Hard
652
Find Duplicate Subtrees	48.1%	Medium
567
Permutation in String	39.8%	Medium
173
Binary Search Tree Iterator	52.3%	Medium
179
Largest Number	27.1%	Medium
83
Remove Duplicates from Sorted List	43.9%	Easy
785
Is Graph Bipartite?	45.6%	Medium
169
Majority Element	55.3%	Easy
244
Shortest Word Distance II
50.4%	Medium
262
Trips and Users	28.4%	Hard
442
Find All Duplicates in an Array	63.3%	Medium
225
Implement Stack using Queues	42.1%	Easy
47
Permutations II	43.6%	Medium
132
Palindrome Partitioning II	28.9%	Hard
1094
Car Pooling	56.7%	Medium
242
Valid Anagram	54.6%	Easy
234
Palindrome Linked List	37.6%	Easy
211
Add and Search Word - Data structure design	33.3%	Medium
88
Merge Sorted Array	37.7%	Easy
55
Jump Game	33.0%	Medium
252
Meeting Rooms
53.5%	Easy
135
Candy	30.0%	Hard
1047
Remove All Adjacent Duplicates In String	65.8%	Easy
115
Distinct Subsequences	36.4%	Hard
44
Wildcard Matching	23.8%	Hard
151
Reverse Words in a String	18.8%	Medium
13
Roman to Integer	54.1%	Easy
419
Battleships in a Board	67.4%	Medium
547
Friend Circles	56.3%	Medium
41
First Missing Positive	30.4%	Hard
187
Repeated DNA Sequences	37.5%	Medium
403
Frog Jump	37.8%	Hard
977
Squares of a Sorted Array	72.0%	Easy
260
Single Number III	59.0%	Medium
29
Divide Two Integers	16.2%	Medium
1114
Print in Order	61.7%	Easy
801
Minimum Swaps To Make Sequences Increasing	37.4%	Medium
636
Exclusive Time of Functions	50.3%	Medium
373
Find K Pairs with Smallest Sums	35.1%	Medium
136
Single Number	62.4%	Easy
735
Asteroid Collision	39.7%	Medium
185
Department Top Three Salaries	30.3%	Hard
52
N-Queens II	54.9%	Hard
110
Balanced Binary Tree	42.3%	Easy
261
Graph Valid Tree
40.9%	Medium
1019
Next Greater Node In Linked List	56.7%	Medium
90
Subsets II	44.7%	Medium
684
Redundant Connection	54.8%	Medium
6
ZigZag Conversion	34.3%	Medium
122
Best Time to Buy and Sell Stock II	53.9%	Easy
1143
Longest Common Subsequence	57.6%	Medium
312
Burst Balloons	49.5%	Hard
128
Longest Consecutive Sequence	43.5%	Hard
721
Accounts Merge	44.6%	Medium
61
Rotate List	28.5%	Medium
92
Reverse Linked List II	36.8%	Medium
716
Max Stack
41.8%	Easy
28
Implement strStr()	33.5%	Easy
350
Intersection of Two Arrays II	50.0%	Easy
1004
Max Consecutive Ones III	56.0%	Medium
188
Best Time to Buy and Sell Stock IV	27.3%	Hard
163
Missing Ranges
23.7%	Medium
836
Rectangle Overlap	48.1%	Easy
429
N-ary Tree Level Order Traversal	61.7%	Medium
209
Minimum Size Subarray Sum	36.3%	Medium
19
Remove Nth Node From End of List	34.7%	Medium
113
Path Sum II	43.6%	Medium
94
Binary Tree Inorder Traversal	60.0%	Medium
1007
Minimum Domino Rotations For Equal Row	50.6%	Medium
283
Move Zeroes	55.9%	Easy
264
Ugly Number II	38.3%	Medium
167
Two Sum II - Input array is sorted	52.2%	Easy
309
Best Time to Buy and Sell Stock with Cooldown	45.3%	Medium
112
Path Sum	39.5%	Easy
410
Split Array Largest Sum	43.4%	Hard
60
Permutation Sequence	34.9%	Medium
154
Find Minimum in Rotated Sorted Array II	40.1%	Hard
69
Sqrt(x)	32.6%	Easy
1002
Find Common Characters	66.4%	Easy
14
Longest Common Prefix	34.5%	Easy
137
Single Number II	48.0%	Medium
205
Isomorphic Strings	38.8%	Easy
235
Lowest Common Ancestor of a Binary Search Tree	47.4%	Easy
176
Second Highest Salary	29.4%	Easy
51
N-Queens	43.0%	Hard
104
Maximum Depth of Binary Tree	63.4%	Easy
345
Reverse Vowels of a String	42.8%	Easy
485
Max Consecutive Ones	55.9%	Easy
71
Simplify Path	30.6%	Medium
8
String to Integer (atoi)	14.9%	Medium
443
String Compression	39.4%	Easy
217
Contains Duplicate	54.4%	Easy
153
Find Minimum in Rotated Sorted Array	44.0%	Medium
129
Sum Root to Leaf Numbers	44.9%	Medium
332
Reconstruct Itinerary	33.6%	Medium
130
Surrounded Regions	24.9%	Medium
299
Bulls and Cows	41.1%	Easy
559
Maximum Depth of N-ary Tree	66.9%	Easy
181
Employees Earning More Than Their Managers	52.4%	Easy
701
Insert into a Binary Search Tree	78.1%	Medium
416
Partition Equal Subset Sum	42.0%	Medium
160
Intersection of Two Linked Lists	37.1%	Easy
108
Convert Sorted Array to Binary Search Tree	54.2%	Easy
148
Sort List	38.7%	Medium
232
Implement Queue using Stacks	46.3%	Easy
257
Binary Tree Paths	48.4%	Easy
202
Happy Number	47.9%	Easy
905
Sort Array By Parity	73.3%	Easy
415
Add Strings	45.6%	Easy
34
Find First and Last Position of Element in Sorted Array	34.8%	Medium
459
Repeated Substring Pattern	41.1%	Easy
279
Perfect Squares	43.9%	Medium
268
Missing Number	49.9%	Easy
392
Is Subsequence	47.8%	Easy
43
Multiply Strings	32.3%	Medium
189
Rotate Array	32.5%	Easy
852
Peak Index in a Mountain Array	70.6%	Easy
198
House Robber	41.5%	Easy
141
Linked List Cycle	39.1%	Easy
16
3Sum Closest	45.7%	Medium
175
Combine Two Tables	56.4%	Easy
230
Kth Smallest Element in a BST	55.0%	Medium
349
Intersection of Two Arrays	58.6%	Easy
938
Range Sum of BST	78.8%	Easy
144
Binary Tree Preorder Traversal	53.5%	Medium
412
Fizz Buzz	60.7%	Easy
152
Maximum Product Subarray	30.6%	Medium
162
Find Peak Element	42.3%	Medium
226
Invert Binary Tree	61.0%	Easy
237
Delete Node in a Linked List	57.3%	Easy
125
Valid Palindrome	33.5%	Easy
7
Reverse Integer	25.6%	Easy
1108
Defanging an IP Address	85.4%	Easy
344
Reverse String	65.1%	Easy
9
Palindrome Number