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1082 problems total

All Topics(4302)Algorithms(0)Database(0)Networking(0)Object Oriented Design(0)Programming Languages(0)System Design(0)

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TitleDifficultyVideosCompanies
Add one to a number without using plus or minus signeasy-
All Permutations of a String 3 in Lexicographic Ordereasy-
Area of intersection of two rectangleseasy-
google
Assign Mice To Holeseasy-
amazon
Balanced delimiters in an expressioneasy-
uber
Binary Tree Path Sum - Minimum Sum Root to Leaf patheasy-
apple
BST Floor and Ceilingeasy-
oracle
Busiest period in a buildingeasy-
amazon
Button with Longest Push Timeeasy-
Calculate floor of Log2n without using built-in functioneasy-
Calculating the mean and median of an unsorted arrayeasy-
uber
Capturing Loop Variables in Lambdaseasy-
dropbox
Check if an Array of Integers is Sortedeasy-
Check if an element exists in a binary treeeasy-
Check if any pair of rectangles overlapeasy-
google
Check if Array Contains All Elements Of Some Given Rangeeasy-
Check if Array is Consecutive Positive Integerseasy-
Check If Digits Are Equal in String After Operations Ieasy-
Check if doubly linked list is palindromeeasy-
google
Check if given string is palindrome or noteasy
Check if given undirected graph is connectedeasy-
Check if Intervals Overlapeasy-
Check if ith bit is set in a 32 bit integereasy-
Check if number is odd or eveneasy-
Check if target word exists in matrix horizontally or verticallyeasy-
microsoft
Check if two given matrices are identicaleasy-
Clear the n-th biteasy-
Climbing Stairs - Take atmost 3 stepseasy-
Closest pair of pointseasy-
google
Collatz Sequenceeasy-
apple
Contains Duplicate 4 - Check if array contains duplicates given ranged arrayeasy-
Count all divisors of a natural numbereasy-
Count Binary Strings Without Consecutive 1seasy-
Count Employees per departmenteasy-
Count number of ways to fill an n x 4 grid using 1 x 4 tileseasy-
Count of Pairs of Squares Summing to N Squaredeasy-
Count Pairs with Given Sum and XOReasy-
jane-street
Count Partitions with Even Sum Differenceeasy-
Count Squares on a Chessboardeasy-
Count Subarrays of Length Three With a Conditioneasy-
Count the divisors of a given numbereasy-
Create a word with a single 0-bit at the position of the rightmost 1-biteasy-
Create a word with a single 1-bit at the position of the rightmost 0-biteasy-
Crossword Grid Validationeasy-
palantir
Decrypt Word with cumulative ASCII shifteasy-
Design a Database for Storing Students' Gradeseasy-
Design a Sparse Arrayeasy-
facebook
Design hit counter with range querieseasy-
riot-games
Design log Order recordseasy-
twitteramazon
Detect Cycle in Undirected Grapheasy-
pandora
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