Coding Interview Problems

Problems

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

Problem	Platform	Difficulty	Topics	Companies	Acceptance
Vowel Spellchecker	Leetcode	Medium	Hash MapsStrings	GoogleMicrosoft	0%
Find Most Frequent Vowel And Consonant	Leetcode	Medium	StringsHash MapsArrays		0%
Sort Vowels in a String	Leetcode	Medium	StringsSortingTwo Pointers		0%
Minimum Levels To Gain More Points	Leetcode	Medium	ArraysGreedy		0%
Find N Unique Integers Sum Up To Zero	Leetcode	Easy	ArraysMath		0%
Find The Longest Equal Subarray	Leetcode	Medium	ArraysHash MapsOrdered Structures	GoogleMeta	0%
Diagonal Traverse	Leetcode	Medium	MatricesArraysSimulation		0%
Sort the Matrix Diagonally	Leetcode	Medium	ArraysMatricesSorting		0%
Minimum Remove to Make Valid Parentheses	Leetcode	Medium	StringsStacksGreedy	GoogleMeta	100%
Make The String Great	Leetcode	Medium	StacksStrings		100%
Isomorphic Strings	Leetcode	Medium	Hash MapsStrings		0%
Minimum Operations To Make Median Of Array Equal To K	Leetcode	Medium	ArraysSortingGreedy		0%
Lexicographically Smallest String After Operations With Constraint	Leetcode	Medium	StringsGreedyMath	Google	0%
Find Original Array From Doubled Array	Leetcode	Medium	ArraysHash MapsSorting	Amazon	0%
Sum of Distances in Tree	Leetcode	Medium	GraphsTreesTree DP	GoogleMeta	100%
Delete Characters To Make Fancy String	Leetcode	Easy	StringsTwo Pointers		100%
Delete Duplicate Folders In System	Leetcode	Medium	TreesHash MapsStrings	GoogleMeta	100%
Remove Sub Folders From The Filesystem	Leetcode	Medium	SortingStringsArrays		100%
Longest Common Subsequence	Leetcode	Medium	Dynamic ProgrammingDP on StringsStrings	GoogleAmazonMicrosoft	0%
Number Of Unique Xor Triplets I	Leetcode	Medium	ArraysBit ManipulationCombinatorics		25%

Showing 341-360 of 1091 problems

PreviousNext

Loading Preptin

Problems