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Title
Difficulty
Videos
Companies
Letter Combinations of a Phone Number
medium
-
amazon
apple
atlassian
+23 more
Generate Parentheses
medium
-
adobe
alibaba
amazon
+21 more
Combination Sum 1
medium
airbnb
akuna-capital
amazon
+15 more
Combination Sum 2 - Cant Reuse same element
medium
-
adobe
amazon
apple
+9 more
Permutations of Array 1
medium
-
adobe
amazon
apple
+20 more
Permutations of Array 2 - Array has duplicates
medium
-
adobe
amazon
apple
+6 more
Subsets 1
medium
adobe
amazon
apple
+12 more
Word Search 1 - Find if word exists
medium
adobe
amazon
apple
+21 more
Subsets 2
medium
-
amazon
bloomberg
facebook
+1 more
Path Sum 2 - find all root to leaf paths
medium
-
adobe
amazon
apple
+11 more
Word Ladder 2 - Get all the ladders
hard
-
amazon
apple
bloomberg
+11 more
Palindrome Partitioning
medium
adobe
amazon
bloomberg
+5 more
Word Break 1 - Check if word is breakable
medium
adobe
amazon
apple
+26 more
Word Break 2 - Construct a sentence
hard
amazon
apple
audible
+13 more
Word Search 2 - Return All Words
hard
airbnb
amazon
apple
+15 more
Combination Sum 3 - Find k numbers summing up to n
medium
-
amazon
bloomberg
google
+1 more
Lowest Common Ancestor of a Binary Tree
medium
adobe
airbnb
amazon
+19 more
Walls and Gates
medium
-
amazon
apple
bloomberg
+6 more
Remove Invalid Parentheses Problem
hard
-
amazon
apple
bloomberg
+6 more
Longest Increasing Path in a Matrix
hard
-
adobe
amazon
apple
+7 more
Reconstruct Itinerary
hard
-
amazon
apple
bloomberg
+12 more
Flood Fill
easy
-
amazon
apple
bloomberg
+8 more
Letter Case Permutation
medium
-
amazon
bloomberg
facebook
+3 more
All Paths from Source to Target
medium
-
amazon
bloomberg
Vertical Order Traversal of a Binary Tree
hard
-
adobe
amazon
bloomberg
+7 more