Coding Interview Problems

Problems

Discover problems by topic, company, difficulty, and learning priority.

Problem	Platform	Difficulty	Topics	Companies	Acceptance
Binary Tree Zigzag Level Order Traversal	Leetcode	Medium	TreesQueuesRecursion	AmazonMicrosoft	91%
Beautiful Array	Leetcode	Medium	ArraysDivide and ConquerRecursion	Google	0%
Construct Binary Tree From Inorder And Postorder Traversal	Leetcode	Medium	TreesArraysRecursion	GoogleMeta	80%
Counting Bits	Leetcode	Medium	ArraysBit ManipulationDynamic Programming		100%
Reverse Bits	Leetcode	Medium	Bit ManipulationMath	Google	100%
Create Sorted Array Through Instructions	Leetcode	Medium	ArraysBinary SearchOrdered Structures	GoogleMetaAmazon	0%
Reverse Pairs	Leetcode	Medium	ArraysSortingDivide and Conquer	Google	60%
Linked List Cycle	Leetcode	Medium	Linked ListsTwo PointersGraph Cycles	Google	100%
Count of Range Sum	Leetcode	Medium	ArraysSortingDivide and Conquer	GoogleAmazonMicrosoft	0%
3Sum Closest	Leetcode	Medium	ArraysSortingTwo Pointers		90%
Magical String	Leetcode	Medium	ArraysStrings		50%
Contains Duplicate II	Leetcode	Easy	ArraysHash MapsSets	Amazon	77%
Number Of Sub Arrays Of Size K And Average Greater Than Or Equal To Threshold	Leetcode	Medium	ArraysSliding Window	AmazonMicrosoft	80%
Max Consecutive Ones III	Leetcode	Medium	ArraysSliding WindowTwo Pointers		92%
Permutation in String	Leetcode	Medium	ArraysStringsHash Maps	AmazonGoogle	91%
Find All Anagrams In A String	Leetcode	Medium	ArraysHash MapsStrings	AmazonGoogle	100%
Longest Repeating Character Replacement	Leetcode	Medium	StringsHash MapsSliding Window	GoogleMeta	75%
Minimum Size Subarray Sum	Leetcode	Medium	Arrays	GoogleAmazonMicrosoft	89%
Subarray Product Less Than K	Leetcode	Medium	ArraysTwo PointersSliding Window		87%
Number Of Substrings Containing All Three Characters	Leetcode	Medium	ArraysStringsHash Maps	Google	100%

Showing 961-980 of 1091 problems

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Problems