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79 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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Title	Difficulty	Videos	Companies
Check If Digits Are Equal in String After Operations I	easy	-
Check If Digits Are Equal in String After Operations II	hard	-
Count Sorted Vowel Strings	medium	-
Count the Number of Arrays with K Matching Adjacent Elements	hard	-
Edge-Disjoint Hamiltonian Circuits and the Round Table Seating ProblemShow thinking	medium	-
Find Sum of Array Product of Magical Sequences	hard	-
Manhattan Distances of All Arrangements of Pieces	hard	-
Maximum and Minimum Sums of at Most Size K Subsequences	medium	-
Maximum Number of Matching Indices After Right Shifts	easy	-
Number of loops of size k starting from a specific node	medium	-
Number of Ways to Rearrange Sticks With K Sticks Visible	hard	-	facebook
Numbers Of Length N and Values Less Than K	hard	-	google
Permutations IV	hard	-
Smallest Palindromic Rearrangement II	hard	-
Subsequences with a Unique Middle Mode II	hard	-
Traveling Salesman Problem	hard	-
Unique Paths in Grid 1 - Count all paths moving right or down	medium		adobe alibaba amazon
Poor Pigs	hard	-
Find the Derangement of An Array	medium	-	amazon ixl
Number of Music Playlists	hard	-	coursera google twitter
Minimum Absolute Difference	easy	-	audible
Ugly Number III	medium	-	american-express
Count All Valid Pickup and Delivery Options	hard	-	doordash
Reorder Routes to Make All Paths Lead to the City Zero	medium	-	google
Probability of a Two Boxes Having The Same Number of Distinct Balls	hard	-
Number of Ways to Reorder Array to Get Same BST	hard	-
Number of Sets of K Non-Overlapping Line Segments	medium	-
Kth Smallest Instructions	hard	-
Find the Highest Altitude	easy	-
Count Ways to Make Array With Product	hard	-
Maximum XOR for Each Query	medium
Minimum Number of Operations to Make String Sorted	hard	-
Sum of All Subset XOR Totals	easy
Number of Wonderful Substrings	medium	-
Count Ways to Build Rooms in an Ant Colony	hard	-
Find the Minimum and Maximum Number of Nodes Between Critical Points	medium
Vowels of All Substrings	medium	-
Count number of bits to be flipped to convert A to B	easy	-
Find Triangular Sum of an Array	medium	-
Evaluate Boolean Binary Tree	easy
Count the Number of Ideal Arrays	hard	-
Build a Matrix With Conditions	hard	-
Number of Ways to Reach a Position After Exactly k Steps	medium	-
Longest Square Streak in an Array	medium
Count Anagrams	hard	-
Maximal Score After Applying K Operations	medium
Count the Number of Good Subsequences	medium	-
The Number of Beautiful Subsets	medium
Filter Elements from Array	easy	-
Count the Number of K-Free Subsets	medium	-

Showing 1 to 50 of 79 results