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315 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)

All Topics(4301)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)Algorithms(3944)

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Active filters:Tag: bit-manipulation×

Title	Difficulty	Videos	Companies
Amount of New Area Painted Each Day	hard	-
Can Make Palindrome from Substring	medium	-
Check If a String Contains All Binary Codes of Size K	medium	-
Clear the n-th bit	easy	-
Concatenated Divisibility	hard	-
Find a Value of a Mysterious Function Closest to Target	hard	-
Find Sum of Array Product of Magical Sequences	hard	-
Divide Two Integers	medium	-	adobe amazon apple
Frequencies of Shortest Supersequences	hard	-
Implement Hierarchical Locking System for Tree Structures	medium	-
Isolate the rightmost 1-bit	easy	-
Maximum Number of Matching Indices After Right Shifts	easy	-
Maximum of Two Numbers Without Conditionals	hard	-	nvidia
Maximum Product of the Length of Two Palindromic Subsequences	medium	-
Maximum Profit from Valid Topological Order in DAG	hard	-
Minimum Difference Between Highest and Lowest of K Scores	easy	-
Minimum Increments for Target Multiples in an Array	hard	-
Minimum Operations to Make Array Elements Zero	hard	-
Minimum Possible Integer After at Most K Adjacent Swaps On Digits	hard	-
Minimum Time to Break Locks I	medium	-
Number of Restricted Paths From First to Last Node	medium	-
Number of Unique XOR Triplets I	medium	-
Number of Unique XOR Triplets II	medium	-
Right propagate the rightmost 1-bit	easy	-
Rotting Oranges	medium	-
Set the n-th bit	easy	-
Smallest Number With All Set Bits	easy	-
Split Two Strings to Make Palindrome	medium	-
Swap bits at position i and j	easy	-
Swap Nibbles in a Byte	easy	-
Toggle a specified bit in a bit string without effecting other bits	easy	-
Toggle the n-th bit	easy	-
Turn off the rightmost 1-bit	easy	-
Turn off the rightmost contiguous string of 1’s	medium	-
Turn on the rightmost 0-bit	easy	-
Turning a bit off without affecting other bits	easy	-
Twitter Codility Problem - Max Binary Gap	easy	-
Add Binary Strings	easy	-	adobe amazon apple
Subsets 1	medium		adobe amazon apple
Gray Code	medium	-	amazon apple microsoft
Subsets 2	medium	-	amazon bloomberg facebook
Single Number 1 - All elements except one occur twice	easy		adobe airbnb amazon
Single Number 2 - All elements except one occur thrice	medium	-	adobe amazon facebook
Repeated DNA Sequences	medium	-	amazon apple google
Reverse Bits	easy		airbnb amazon apple
Number of 1 Bits	easy		adobe amazon apple
Bitwise AND of Numbers Range	medium	-	adobe
Count Complete Tree Nodes	easy	-	amazon bloomberg bytedance
Power of Two	easy	-	amazon apple google
Single Number 3 - All elements except two occur twice	medium	-	amazon apple facebook

Showing 1 to 50 of 315 results