Using CheatSheets To Apply Best Practices

January 1, 2019

CheatSheet: Common Code Problems & Follow-ups

CheatSheet: Common Code Problems & Follow-ups


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1.1 50 Typical Code Problems & Follow-ups

Num Category/Tag Example
1 #atmostkdistinct, #string Substring with at most k distinct characters
2 #twosum, #array TwoSum Problems & Follow-Up
3 #maxsubarraysum, #array Maximum subarray problem
4 #nextpermutation, #string Get the next permutation of an array
5 #editdistance, #string Word Distance & Follow-up
6 #baseconversion Base Conversion Problems & Follow-Up
7 #presum, #array Caculate sum of a range quickly
8 #fibonacci Fibonacci Problems & Follow-Up
9 #mergelist Merge K Sorted List Problems & Follow-up
10 #sortedmatrix Sorted 2D Matrix Problems & Follow-up
11 #endswith Endswith Problems & Follow-up
12 #island, #dfs, #bfs, #unionfind Island Problems & Follow-up
13 #matrixtraversal, #array Matrix Traversal & Follow-up
14 #rangesum Caculate range sum of a slice
15 #reverseitem Reverse List/String & Follow-up
16 #topk, #heap Top k elements of a problem domain
17 #subsequence Find Subsequence In Strings & Follow-up
18 #lis Longest increasing subsequence & Follow-up
19 #lcs Longest common subsequence & Follow-up
20 #findduplicates Find duplicates from a list & Follow-up
21 #coin Coin Problems & Follow-Up
22 #wiggle Wiggle Array Problems & Follow-up
23 #groupelements Seperate a list into several groups
24 #treetraversal, #binarytree Tree Traversal & Follow-up
25 #calculator Calculator & Follow-up
26 #meetingconflict Meeting Conflict Problems & Follow-up
27 #meetingpoint Meeting Point Problems & Follow-up
28 #convertds Convert Data Structure Problems & Follow-Up
29 #expression Expression Problems & Follow-Up
30 #frogjump Frog Jump Game & Follow-up
31 #houserobber House Robber & Follow-up
32 #ipaddress IP Address Problems & Follow-Up
33 #paintfence Paint Fence & Follow-up
34 #poison Poison Problems & Follow-up
35 #slidingpuzzle Sliding Puzzle & Follow-up
36 #trappingrain Trapping Rain & Follow-up
37 #parentheses Parentheses problems & Follow-up
38 #buystock Buystock Problems & Follow-Up
39 #countdistinctmoves Count of distinct moves Problems & Follow-Up
40 #maxprofitwithcost Maximum profits with certain costs Problems & Follow-up
41 #constructstring Construct string Problems & Follow-up
42 #constructarray Construct array Problems & Follow-up
43 #colorgraph Coloring graph nodes Problems & Follow-up
44 #graphchangecell Change cells of graph Problems & Follow-up
45 #splitarray Split Array Problems & Follow-up
46 #multiplechoices Multiple Choices At Each Step Problems & Follow-Up
47 #rollinghash Rolling Hash Problems & Follow-up
48 #lfu LFU – Least Frequently Used Cache Problems & Follow-up
49 #geometry Geometry Problems & Follow-up
50 #reachpoint Reach point Problems & Follow-Up
51 #getmedian Get Median Problems & Follow-Up
52 #mountainarray Mountain Array Problems & Follow-Up
53 #intervaldp Dynamic Programming On Interval Problems & Follow-up
54 #possibilities Possibilities Problems & Follow-up
55 #uglynumber Ugly Number Problems & Follow-up

1.3 More Resources

License: Code is licensed under MIT License.

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