【Leetcode】High Frequency Problems, Linked List (High Frequency Problems, Linked List)

Up to now, the total number of LeetCode questions has been 1582题, and it is estimated that the average annual growth will be 300题around in the future . Most people will definitely be 刷不完的, so you have to selectively brush LeetCode.

A generally accepted strategy for brushing questions is 按类别刷题, but each category also has many questions, in a limited time 到底该刷哪些题呢? Individuals sorted out and included the topics in each category according LeetCode官方to each topic given . For topics whose official statistical frequency was too low, they were not included, and finally got this high-frequency topic table.出现频率高频出现

For example, the title of the title number #275and #270in the following figure will be included, and the #275frequency of occurrence is greater than #270; for the title of the title number #1011and #1182, because the occurrence frequency is too low, it will not be included:

Pick up the keyboard and work hard! I wish you all a successful landing! It's not easy to organize, please like it!

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Linked List, 28 problems (Linked List, 28 problems)

Date of data: 2020/03/26 (LeetCode question number at this time: 1582)
Data source: LeetCode official. Questions of different categories are arranged in descending order according to the official frequency (Frequency), and questions with frequency statistics are selected.

Sort	Question number	topic	Passing rate	Difficulty
1	#2	Add Two Numbers	0.37	medium
2	#21	Merge Two Sorted Lists	0.606	simple
3	#206	Reverse Linked List	0.682	simple
4	#24	Swap Nodes in Pairs	0.649	medium
5	#25	Reverse Nodes in k-Group	0.573	difficult
6	#92	Reverse Linked List II	0.495	medium
7	#148	Sort List	0.646	medium
8	#23	Merge k Sorted Lists	0.496	difficult
9	#86	Partition List	0.566	medium
10	#237	Delete Node in a Linked List	0.806	simple
11	#143	Reorder List	0.552	medium
12	#19	Remove Nth Node From End of List	0.382	medium
13	#203	Remove Linked List Elements	0.447	simple
14	#445	Add Two Numbers II	0.546	medium
15	#109	Convert Sorted List to Binary Search Tree	0.711	medium
16	#234	Palindrome Linked List	0.411	simple
17	#82	Remove Duplicates from Sorted List II	0.469	medium
18	#83	Remove Duplicates from Sorted List	0.497	simple
19	#141	Linked List Cycle	0.472	simple
20	#138	Copy List with Random Pointer	0.476	medium
21	#147	Insertion Sort List	0.637	medium
22	#61	Rotate List	0.4	medium
23	#160	Intersection of Two Linked Lists	0.535	simple
24	#142	Linked List Cycle II	0.494	medium
25	#328	Odd Even Linked List	0.618	medium
26	#725	Split Linked List in Parts	0.537	medium
27	#379	Design Phone Directory	0.659	medium
28	#369	Plus One Linked List	0.6	medium

Related/reference links

leetcode-cn
leetcode