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50 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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Title	Difficulty	Videos	Companies
Count Cells in Overlapping Horizontal and Vertical Substrings	medium	-
Find the Index of the First Occurrence in a String	easy	-	adobe amazon apple
Lexicographically Smallest Generated String	hard	-
Maximum Number of Matching Indices After Right Shifts	easy	-
Shortest Matching Substring	hard	-
Substring Matching Pattern	easy	-
Shortest Palindrome 1 - Prepending characters	hard	-	adobe amazon bloomberg
Repeated Substring Pattern	easy	-	amazon google microsoft
Subtree of Another Tree	easy		amazon bloomberg ebay
Add Bold Tag in String	medium	-	facebook google wish
Repeated String Match	medium	-	adobe amazon facebook
Rotate String	easy	-	amazon apple ebay
Camelcase Matching	medium	-	amazon google
Longest Happy Prefix	hard	-	google
Find All Good Strings	hard	-
Top Travellers	easy	-	point72
String Matching in an Array	easy		amazon
Form Largest Integer With Digits That Add up to Target	hard	-	google
Check If a Word Occurs As a Prefix of Any Word in a Sentence	easy	-	yelp
Leetcode 1667 - Fix Names in a Table	easy	-
Maximum Repeating Substring	easy	-
Count Number of Homogenous Substrings	medium	-
Form Array by Concatenating Subarrays of Another Array	medium	-
Merge Nodes in Between Zeros	medium		microsoft
Counting Words With a Given Prefix	easy
Count number of bits to be flipped to convert A to B	easy	-
Sum of Scores of Built Strings	hard	-
Successful Pairs of Spells and Potions	medium	-
Match Substring After Replacement	hard	-
Number of Good Paths	hard	-
Maximum Deletions on a String	hard	-
Determine if a Cell Is Reachable at a Given Time	medium	-
String Transformation	hard	-
Maximum Area of Longest Diagonal Rectangle	easy	-
Find Beautiful Indices in the Given Array I	medium	-
Find Beautiful Indices in the Given Array II	hard	-
Minimum Number of Pushes to Type Word 2	medium
Find Pattern in Infinite Stream I	medium	-
Minimum Time to Revert Word to Initial State I	medium	-
Minimum Time to Revert Word to Initial State II	hard	-
Number of Subarrays That Match a Pattern I	medium	-
Number of Subarrays That Match a Pattern II	hard	-
Find Pattern in Infinite Stream II	hard	-
Count Prefix and Suffix Pairs I	easy
Find the Length of the Longest Common Prefix	medium	-
Count Prefix and Suffix Pairs 2	hard	-
Find the Power of K-Size Subarrays 1	medium	-
Minimum Number of Valid Strings to Form Target I	medium	-
Minimum Number of Valid Strings to Form Target II	hard	-
Find the Occurrence of First Almost Equal Substring	hard	-