Coding Interview Problems

Problems

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

Problem	Platform	Difficulty	Topics	Companies	Acceptance
Delete The Middle Node Of A Linked List	Leetcode	Medium	Linked ListsTwo Pointers	Amazon	0%
Find First And Last Position Of Element In Sorted Array	Leetcode	Medium	ArraysBinary Search	Google	93%
Maximum Sum Of Distinct Subarrays With Length K	Leetcode	Medium	ArraysHash MapsSets	Amazon	91%
Unique Number Of Occurrences	Leetcode	Easy	ArraysHash MapsSets		0%
Sort Colors	Leetcode	Medium	ArraysSortingTwo Pointers		100%
Missing Number	Leetcode	Easy	ArraysMathBit Manipulation		100%
Palindrome Number	Leetcode	Easy	MathStringsTwo Pointers		100%
Next Permutation	Leetcode	Medium	ArraysSortingStacks	AmazonGoogle	50%
Count Odd Numbers In An Interval Range	Leetcode	Easy	MathArrays		100%
Magic Squares In Grid	Leetcode	Medium	ArraysMatricesMath		100%
N Repeated Element In Size 2n Array	Leetcode	Easy	ArraysHash MapsSets		100%
Number Of Ways To Paint N 3 Grid	Leetcode	Medium	Dynamic ProgrammingCombinatoricsArrays	Google	100%
Four Divisors	Leetcode	Medium	ArraysMathNumber Theory		50%
Maximum Matrix Sum	Leetcode	Medium	ArraysMatricesMath		100%
Maximum Product Of Splitted Binary Tree	Leetcode	Medium	TreesTree DPMath	Google	100%
Max Dot Product of Two Subsequences	Leetcode	Medium	ArraysDynamic Programming	Google	100%
Minimum ASCII Delete Sum for Two Strings	Leetcode	Medium	StringsDynamic ProgrammingDP on Strings	GoogleMicrosoft	100%
Maximal Rectangle	Leetcode	Medium	ArraysMatricesStacks	AmazonMicrosoftGoogle	100%
Smallest Subtree With All The Deepest Nodes	Leetcode	Medium	TreesRecursionTree DP	GoogleMeta	100%
Minimum Time Visiting All Points	Leetcode	Medium	ArraysGeometryMath		100%

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Problems