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123 problems total

Array (1905)Sorting (440)Depth First Search (316)Database (301)Breadth First Search (241)Tree (240)Stack (172)Graph Theory (169)Linked List (81)Monotonic Stack (67)Queue (50)Recursion (48)Shortest Path (33)
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TitleDifficultyVideosCompanies
Array With Elements Not Equal to Average of Neighborsmedium-
Count Connected Components in LCM Graphhard-
Detect Cycle in Undirected Grapheasy-
pandora
Maximum Number of Matching Indices After Right Shiftseasy-
Maximum Product of the Length of Two Palindromic Subsequencesmedium-
Minimum Cost Tree From Leaf Valuesmedium-
Path Existence Queries in a Graph Imedium-
Path With Minimum Effortmedium-
Properties Graphmedium-
Smallest String With Swapsmedium-
Longest Consecutive Sequencemedium
adobeamazonapple
Surrounded Regionsmedium-
amazonebayfacebook
Number of Islandsmedium
adobeaffirmalibaba
Graph Valid Treemedium-
amazonfacebookgoogle
Number of Islands IIhard-
amazonfacebookgoogle
Number of Connected Components in an Undirected Graphmedium-
amazonfacebookgoogle
Evaluate Divisionmedium-
adobeamazonbloomberg
Number of Provincesmedium-
adobeamazonatlassian
Redundant Connectionmedium-
amazongoogle
Redundant Connection IIhard-
google
Number of Distinct Islandsmedium-
amazonapplebloomberg
Max Area of Islandmedium-
adobeaffirmamazon
Number of Distinct Islands IIhard-
amazon
Accounts Mergemedium-
amazonapplebloomberg
Sentence Similarity 2 - with transitive word pairsmedium-
amazonbloomberggoogle
Couples Holding Handshard-
amazongooglespotify
Swim in Rising Waterhard-
facebookgoogle
Is Graph Bipartitemedium-
amazondropboxebay
Bricks Falling When Hithard-
google
Making A Large Islandhard-
amazonfacebookgoogle
Similar String Groupshard-
amazonfacebookgoogle
Possible Bipartitionmedium-
applefacebookgoogle
Minimize Malware Spreadhard-
amazonbloombergdropbox
Minimize Malware Spread 2hard-
dropbox
Most Stones Removed with Same Row or Columnmedium
google
Largest Component Size by Common Factorhard-
google
Regions Cut By Slashesmedium-
uber
Satisfiability of Equality Equationsmedium-
sumologic
Number of Enclavesmedium-
google
Lexicographically Smallest Equivalent Stringmedium-
Find K-Length Substrings With No Repeated Charactersmedium-
amazon
The Earliest Moment When Everyone Become Friendsmedium-
expedia
Path With Maximum Minimum Valuemedium-
amazongoogle
Connecting Cities With Minimum Costmedium-
amazonuber
As Far from Land as Possiblemedium-
amazonuipath
Optimize Water Distribution in a Villagehard-
googleyahoo
Number of Closed Islandsmedium-
amazonfacebookgoogle
Maximum Score Words Formed by Lettershard
amazon
Synonymous Sentencesmedium-
cruise-automation
Greatest Sum Divisible by Threemedium-
bytedancede-shaw
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