Dashboard Questions Topics Companies Sheets

Data Structures & Algorithms

Practice 3,374+ coding problems from top companies. Master DSA concepts and ace your interviews.

3,374

Problems

840

Easy

1762

Medium

772

Hard

Difficulty

All3374 Easy840 Medium1762 Hard772

Title	Solve	Difficulty	Companies	Topics
1651. Hopper Company Queries III	Solve	Hard	Uber	Database
1652. Defuse the Bomb	Solve	Easy	-	Array Sliding Window
1653. Minimum Deletions to Make String Balanced	Solve	Medium	Adobe+1	Dynamic Programming Stack+1
1654. Minimum Jumps to Reach Home	Solve	Medium	Karat+3	Array Breadth-First Search+1
1655. Distribute Repeating Integers	Solve	Hard	Amazon+1	Array Backtracking+3
1656. Design an Ordered Stream	Solve	Easy	Bloomberg	Array Data Stream+2
1657. Determine if Two Strings Are Close	Solve	Medium	Facebook+2	Counting Hash Table+2
1658. Minimum Operations to Reduce X to Zero	Solve	Medium	Adobe+3	Array Binary Search+3
1659. Maximize Grid Happiness	Solve	Hard	Salesforce	Bit Manipulation Bitmask+2
1660. Correct a Binary Tree	Solve	Medium	Google	Binary Tree Breadth-First Search+3
1661. Average Time of Process per Machine	Solve	Easy	Adobe+6	Database
1662. Check If Two String Arrays are Equivalent	Solve	Easy	Amazon+2	Array String
1663. Smallest String With A Given Numeric Value	Solve	Medium	Adobe	Greedy String
1664. Ways to Make a Fair Array	Solve	Medium	Dunzo+1	Array Prefix Sum
1665. Minimum Initial Energy to Finish Tasks	Solve	Hard	Akuna Capital	Array Greedy+1
1666. Change the Root of a Binary Tree	Solve	Medium	Google	Binary Tree Depth-First Search+1
1667. Fix Names in a Table	Solve	Easy	Adobe	Database
1668. Maximum Repeating Substring	Solve	Easy	Pure Storage	Dynamic Programming String+1
1669. Merge In Between Linked Lists	Solve	Medium	Amazon+2	Linked List
1670. Design Front Middle Back Queue	Solve	Medium	Amazon	Array Data Stream+3
1671. Minimum Number of Removals to Make Mountain Array	Solve	Hard	Apple+1	Array Binary Search+2
1672. Richest Customer Wealth	Solve	Easy	Adobe	Array Matrix
1673. Find the Most Competitive Subsequence	Solve	Medium	Google	Array Greedy+2
1674. Minimum Moves to Make Array Complementary	Solve	Medium	CureFit	Array Hash Table+1
1675. Minimize Deviation in Array	Solve	Hard	Amazon	Array Greedy+2
1676. Lowest Common Ancestor of a Binary Tree IV	Solve	Medium	Amazon	Binary Tree Depth-First Search+2
1677. Product's Worth Over Invoices	Solve	Easy	-	Database
1678. Goal Parser Interpretation	Solve	Easy	Apple	String
1679. Max Number of K-Sum Pairs	Solve	Medium	Amazon	Array Hash Table+2
1680. Concatenation of Consecutive Binary Numbers	Solve	Medium	Google	Bit Manipulation Math+1
1681. Minimum Incompatibility	Solve	Hard	Microsoft	Array Bit Manipulation+2
1682. Longest Palindromic Subsequence II	Solve	Medium	Codenation	Dynamic Programming String
1683. Invalid Tweets	Solve	Easy	Adobe+3	Database
1684. Count the Number of Consistent Strings	Solve	Easy	Amazon+1	Array Bit Manipulation+3
1685. Sum of Absolute Differences in a Sorted Array	Solve	Medium	Adobe	Array Math+1
1686. Stone Game VI	Solve	Medium	APT Portfolio	Array Game Theory+4
1687. Delivering Boxes from Storage to Ports	Solve	Hard	Nutanix	Array Dynamic Programming+5
1688. Count of Matches in Tournament	Solve	Easy	Adobe+1	Math Simulation
1689. Partitioning Into Minimum Number Of Deci-Binary Numbers	Solve	Medium	Apple	Greedy String
1690. Stone Game VII	Solve	Medium	Dunzo	Array Dynamic Programming+2
1691. Maximum Height by Stacking Cuboids	Solve	Hard	Samsung	Array Dynamic Programming+1
1692. Count Ways to Distribute Candies	Solve	Hard	Google	Dynamic Programming
1693. Daily Leads and Partners	Solve	Easy	-	Database
1694. Reformat Phone Number	Solve	Easy	Toptal	String
1695. Maximum Erasure Value	Solve	Medium	CashFree	Array Hash Table+1
1696. Jump Game VI	Solve	Medium	Amazon+4	Array Dynamic Programming+3
1697. Checking Existence of Edge Length Limited Paths	Solve	Hard	Google	Array Graph+3
1698. Number of Distinct Substrings in a String	Solve	Medium	Bloomberg+3	Hash Function Rolling Hash+3
1699. Number of Calls Between Two Persons	Solve	Medium	Amazon+1	Database
1700. Number of Students Unable to Eat Lunch	Solve	Easy	Flipkart	Array Queue+2