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58 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
Amount of New Area Painted Each Day	hard	-
Check If a String Contains All Binary Codes of Size K	medium	-
Count Cells in Overlapping Horizontal and Vertical Substrings	medium	-
Longest Chunked Palindrome Decomposition	hard	-
Maximum Number of Matching Indices After Right Shifts	easy	-
Minimum Number of Days to Eat N Oranges	hard	-
Repeated DNA Sequences	medium	-	amazon apple google
Shortest Palindrome 1 - Prepending characters	hard	-	adobe amazon bloomberg
Encode and Decode TinyURL	medium	-	adobe amazon bloomberg
Subtree of Another Tree	easy		amazon bloomberg ebay
Number of Distinct Islands	medium	-	amazon apple bloomberg
Design Hashset	easy	-	amazon google
Design HashMap	easy	-	adobe amazon apple
Number of Distinct Islands II	hard	-	amazon
Maximum Length of Repeated Subarray	medium	-	citadel indeed intuit
Longest Duplicate Substring Problem	hard	-	amazon apple google
Lexicographically Smallest Equivalent String	medium	-
Longest Repeating Substring	medium	-	amazon facebook google
Matrix Block Sum	medium	-	google
Distinct Echo Substrings	hard	-	google
Longest Happy Prefix	hard	-	google
Strings Differ by One Character	medium	-
Checking Existence of Edge Length Limited Paths	hard	-
Number of Distinct Substrings in a String	medium	-
Eliminate Maximum Number of Monsters	medium	-
Longest Common Subpath	hard	-
Sum of Digits of String After Convert	easy
Delete Duplicate Folders in System	hard	-
Check if Move is Legal	medium	-
Maximum Product of the Length of Two Palindromic Substrings	hard	-
Rearrange Array Elements by Sign	medium	-
Find Substring With Given Hash Value	hard	-
Unique Substrings With Equal Digit Frequency	medium	-
Count number of bits to be flipped to convert A to B	easy	-
Sum of Scores of Built Strings	hard	-
K Divisible Elements Subarrays	medium	-
Number of Good Paths	hard	-
Maximum Deletions on a String	hard	-
Count Unguarded Cells in the Grid	medium	-
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

Showing 1 to 50 of 58 results