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51 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)
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TitleDifficultyVideosCompanies
Aho-Corasick Algorithm for Multi-Pattern String Searchhard-
All Permutations of a String 3 in Lexicographic Ordereasy-
All Permutations of a String with distinct charactersmedium-
All Permutations of a String with duplicate charactersmedium-
Boyer-Moore String Searchingmedium-
Check if a string contains an anagram of another stringmedium-
Determine if a string has all unique charactersmedium-
Edit Distance - Insert, Delete, no replacemedium-
Find Smallest window that contains all characters of string itselfhard-
Find the Index of the First Occurrence in a Stringeasy-
adobeamazonapple
First Duplicate Character in a Stringeasy-
Jaro-Winkler Algorithm for String Similaritymedium-
Knuth Morris Pratt KMP Algorithmmedium-
Longest Palindromic Substringmedium
adobeairbnbalibaba
Convert String to Integer atoimedium-
adobeamazonapple
Largest String With Swapsmedium-
facebook
Longest Common Subsequence of Three Sequenceshard-
youtube
Longest Common Substringmedium-
Longest Palindromic Subsequence - Get Subsequencemedium-
Longest word made of other words in an arrayhard-
Manachar’s Algorithm - Longest palindromic substring in linear timehard-
Minimum Number of Deletions Of a Stringmedium-
Morris-Pratt String Searchingmedium-
Naive Brute Force String Search Algorithmmedium-
Rabin-Karp Algorithm Explainedmedium-
Remove duplicate characters in a stringmedium-
Replace all spaces in c-style string with '%20'medium-
Sort Strings by Anagram Keymedium-
Substring with Concatenation of All Wordshard-
adobeamazonapple
Group Anagramsmedium
adobeaffirmamazon
Length of Last Wordeasy
amazon
Minimum Window Substringhard
adobeairbnbamazon
Isomorphic Stringseasy
adobeamazonbloomberg
Valid Anagrameasy
amazonapplebloomberg
Remove Invalid Parentheses Problemhard-
amazonapplebloomberg
Maximum Product of Word Lengthsmedium-
google
Reverse Stringeasy
adobeamazonapple
First Unique Character in a Stringeasy-
adobeamazonapple
Find anagrams of a string in another stringmedium-
amazonbloombergfacebook
Longest Palindromic Subsequence 1 - Get Lengthmedium-
amazonapplebloomberg
Reorganize Stringmedium-
amazonappleebay
Letter Case Permutationmedium-
amazonbloombergfacebook
Rotate Stringeasy-
amazonappleebay
Reorder Data in Log Filesmedium-
amazonappleaudible
Camelcase Matchingmedium-
amazongoogle
Shortest Common Supersequencehard-
microsoft
Longest Common Subsequence LCS 1 - Get Lengthmedium
amazonbytedancefacebook
Word Ladder - Get shortest laddermedium-
Word Ladder - Get shortest ladder by changing, adding or removing one letter at a timemedium-
Z Algorithm String Searchingmedium-
Showing 1 to 50 of 51 results
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