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
2437. Number of Valid Clock Times	Solve	Easy	Google	Enumeration String
2441. Largest Positive Integer That Exists With Its Negative	Solve	Easy	Microsoft	Array Hash Table+2
2446. Determine if Two Events Have Conflict	Solve	Easy	Goldman Sachs+1	Array String
2451. Odd String Difference	Solve	Easy	Visa	Array Hash Table+1
2455. Average Value of Even Numbers That Are Divisible by Three	Solve	Easy	IBM	Array Math
2460. Apply Operations to an Array	Solve	Easy	Amazon	Array Simulation+1
2465. Number of Distinct Averages	Solve	Easy	Amazon	Array Hash Table+2
2469. Convert the Temperature	Solve	Easy	Amazon	Math
2475. Number of Unequal Triplets in Array	Solve	Easy	Amazon+1	Array Hash Table+1
2480. Form a Chemical Bond	Solve	Easy	-	Database
2481. Minimum Cuts to Divide a Circle	Solve	Easy	tcs	Geometry Math
2485. Find the Pivot Integer	Solve	Easy	Amazon+1	Math Prefix Sum
2490. Circular Sentence	Solve	Easy	-	String
2496. Maximum Value of a String in an Array	Solve	Easy	-	Array String
2500. Delete Greatest Value in Each Row	Solve	Easy	-	Array Heap (Priority Queue)+3
2504. Concatenate the Name and the Profession	Solve	Easy	-	Database
2506. Count Pairs Of Similar Strings	Solve	Easy	Oracle	Array Bit Manipulation+3
2511. Maximum Enemy Forts That Can Be Captured	Solve	Easy	-	Array Two Pointers
2515. Shortest Distance to Target String in a Circular Array	Solve	Easy	Bloomberg	Array String
2520. Count the Digits That Divide a Number	Solve	Easy	tcs	Math
2525. Categorize Box According to Criteria	Solve	Easy	Zendesk	Math
2529. Maximum Count of Positive Integer and Negative Integer	Solve	Easy	Amazon+2	Array Binary Search+1
2535. Difference Between Element Sum and Digit Sum of an Array	Solve	Easy	-	Array Math
2540. Minimum Common Value	Solve	Easy	Apple+1	Array Binary Search+2
2544. Alternating Digit Sum	Solve	Easy	eBay	Math
2549. Count Distinct Numbers on Board	Solve	Easy	Oracle	Array Hash Table+2
2553. Separate the Digits in an Array	Solve	Easy	Facebook	Array Simulation
2558. Take Gifts From the Richest Pile	Solve	Easy	Amazon+1	Array Heap (Priority Queue)+1
2562. Find the Array Concatenation Value	Solve	Easy	IBM	Array Simulation+1
2566. Maximum Difference by Remapping a Digit	Solve	Easy	-	Greedy Math
2570. Merge Two 2D Arrays by Summing Values	Solve	Easy	Google	Array Hash Table+1
2574. Left and Right Sum Differences	Solve	Easy	Bloomberg	Array Prefix Sum
2578. Split With Minimum Sum	Solve	Easy	Amazon	Greedy Math+1
2582. Pass the Pillow	Solve	Easy	-	Math Simulation
2586. Count the Number of Vowel Strings in Range	Solve	Easy	PayPal	Array Counting+1
2591. Distribute Money to Maximum Children	Solve	Easy	Zendesk	Greedy Math
2595. Number of Even and Odd Bits	Solve	Easy	-	Bit Manipulation
2600. K Items With the Maximum Sum	Solve	Easy	-	Greedy Math
2605. Form Smallest Number From Two Digit Arrays	Solve	Easy	-	Array Enumeration+1
2609. Find the Longest Balanced Substring of a Binary String	Solve	Easy	-	String
2614. Prime In Diagonal	Solve	Easy	-	Array Math+2
2619. Array Prototype Last	Solve	Easy	-
2620. Counter	Solve	Easy	-
2621. Sleep	Solve	Easy	-
2626. Array Reduce Transformation	Solve	Easy	-
2629. Function Composition	Solve	Easy	-
2634. Filter Elements from Array	Solve	Easy	-
2635. Apply Transform Over Each Element in Array	Solve	Easy	-
2639. Find the Width of Columns of a Grid	Solve	Easy	Samsung	Array Matrix
2643. Row With Maximum Ones	Solve	Easy	-	Array Matrix