Title Difficulty Companies Videos
Check if Duplicates Exist Within K Manhattan Distance in Matrix Medium
Check if given undirected graph is connected Easy
Circus tower sorting Medium
Climbing Stairs - At most m steps Medium
Coin Change - Count Number of Ways of representing Amount given Finite supply of denominations Medium
Coin Change with Fewest Number of Coins Given Finite Supply Medium
Coloring a Graph with Maximum Degree D Using D+1 Colors Medium
Construct Quad Tree Medium amazon apple google uber
Construct Target Array With Multiple Sums Hard quora
Count All Valid Pickup and Delivery Options Hard doordash
Count Different Palindromic Subsequences Hard facebook google linkedin pure-storage
Count number of ways to fill an n x 4 grid using 1 x 4 tiles Easy
Count Numbers with Unique Digits Medium google
Count reverse pairs in two individually sorted parts of an array Medium
Count Sorted Vowel Strings Medium
Count The Repetitions Hard amazon
Count Vowels Permutation Hard c3ai
Counting roundtrip paths in a graph given a number of steps Medium
Critical Connections in a Network Hard adobe amazon google microsoft mozilla
Data Stream as Disjoint Intervals Hard amazon facebook google oracle
Decode a string to all valid interpretations Medium uber
Decrypt Word with cumulative ASCII shift Easy
Delete Columns to Make Sorted III Hard google
Design Snake Game Medium amazon apple bloomberg facebook google salesforce uber zillow
Design Twitter (Data Structure Design) Medium amazon doordash oracle twitter yelp
Design Underground System Medium
Detect Cycle in Directed Graph
Detect Cycle in Undirected Graph Easy pandora
Detonate the Maximum Bombs Medium
Dice Roll Simulation Hard akuna-capital atlassian bloomberg google
Distinct Subsequences II Hard google
Distribute Repeating Integers Hard
Divide Chocolate Hard google
Double Stacks Easy
Earliest Possible Day of Full Bloom Hard
Edge-Disjoint Hamiltonian Circuits and the Round Table Seating ProblemShow thinking Medium
Find All Elements Appearing More Than Size by k Times in Array Medium
Find All Good Strings Hard
Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree Hard amazon
Find distinct elements common to all rows of a matrix Medium
Find Even Occurring Element Easy
Find if there is a path between two vertices in a directed graph Easy google facebook amazon microsoft
Find K Pairs with Smallest Sums Medium amazon apple facebook google linkedin microsoft uber
Find k Smallest Numbers from a million numbers Medium
Find largest 1M numbers in 1B numbers Hard
Find Largest element in array Easy
Find Minimum Time to Finish All Jobs Hard
Find Original Array From Doubled Array Medium
Find smallest missing number in sorted array Easy
Find the Kth Largest Integer in the Array Medium