Dashboard Questions Topics Companies Sheets

Array

Topic

1,779 coding problems covering Array concepts. Master this topic and improve your problem-solving skills.

1,779

Problems

370

Easy

963

Medium

446

Hard

Difficulty

All1779 Easy370 Medium963 Hard446

Title	Solve	Difficulty	Companies	Topics
1345. Jump Game IV	Solve	Hard	Amazon+2	Array Breadth-First Search+1
1346. Check If N and Its Double Exist	Solve	Easy	Google	Array Binary Search+3
1349. Maximum Students Taking Exam	Solve	Hard	SAP	Array Bit Manipulation+3
1351. Count Negative Numbers in a Sorted Matrix	Solve	Easy	Amazon+1	Array Binary Search+1
1352. Product of the Last K Numbers	Solve	Medium	Amazon+3	Array Data Stream+3
1353. Maximum Number of Events That Can Be Attended	Solve	Medium	Amazon+2	Array Greedy+2
1354. Construct Target Array With Multiple Sums	Solve	Hard	Quora	Array Heap (Priority Queue)
1356. Sort Integers by The Number of 1 Bits	Solve	Easy	Accenture+6	Array Bit Manipulation+2
1357. Apply Discount Every n Orders	Solve	Medium	Facebook	Array Design+1
1363. Largest Multiple of Three	Solve	Hard	Amazon+1	Array Dynamic Programming+1
1365. How Many Numbers Are Smaller Than the Current Number	Solve	Easy	Amazon+1	Array Counting+2
1366. Rank Teams by Votes	Solve	Medium	Atlassian+3	Array Counting+3
1368. Minimum Cost to Make at Least One Valid Path in a Grid	Solve	Hard	Google	Array Breadth-First Search+4
1375. Number of Times Binary String Is Prefix-Aligned	Solve	Medium	Grab+1	Array
1380. Lucky Numbers in a Matrix	Solve	Easy	Apple	Array Matrix
1381. Design a Stack With Increment Operation	Solve	Medium	TikTok	Array Design+1
1383. Maximum Performance of a Team	Solve	Hard	Amazon+1	Array Greedy+2
1385. Find the Distance Value Between Two Arrays	Solve	Easy	Uber	Array Binary Search+2
1386. Cinema Seat Allocation	Solve	Medium	Amazon+1	Array Bit Manipulation+2
1388. Pizza With 3n Slices	Solve	Hard	Google	Array Dynamic Programming+2
1389. Create Target Array in the Given Order	Solve	Easy	Amazon+2	Array Simulation
1390. Four Divisors	Solve	Medium	Capital One	Array Math
1391. Check if There is a Valid Path in a Grid	Solve	Medium	Robinhood	Array Breadth-First Search+3
1394. Find Lucky Integer in an Array	Solve	Easy	Microsoft	Array Counting+1
1395. Count Number of Teams	Solve	Medium	Amazon+2	Array Binary Indexed Tree+2
1402. Reducing Dishes	Solve	Hard	American Express+2	Array Dynamic Programming+2
1403. Minimum Subsequence in Non-Increasing Order	Solve	Easy	Amazon+1	Array Greedy+1
1406. Stone Game III	Solve	Hard	Google	Array Dynamic Programming+2
1408. String Matching in an Array	Solve	Easy	Amazon+1	Array String+1
1409. Queries on a Permutation With Key	Solve	Medium	Amazon	Array Binary Indexed Tree+1
1413. Minimum Value to Get Positive Step by Step Sum	Solve	Easy	Amazon+1	Array Prefix Sum
1418. Display Table of Food Orders in a Restaurant	Solve	Medium	JP Morgan	Array Hash Table+3
1423. Maximum Points You Can Obtain from Cards	Solve	Medium	Adobe+2	Array Prefix Sum+1
1424. Diagonal Traverse II	Solve	Medium	Facebook+2	Array Heap (Priority Queue)+1
1425. Constrained Subsequence Sum	Solve	Hard	Akuna Capital	Array Dynamic Programming+4
1426. Counting Elements	Solve	Easy	DRW	Array Hash Table
1427. Perform String Shifts	Solve	Easy	Goldman Sachs	Array Math+1
1428. Leftmost Column with at Least a One	Solve	Medium	Facebook+2	Array Binary Search+2
1429. First Unique Number	Solve	Medium	Amazon+1	Array Data Stream+3
1431. Kids With the Greatest Number of Candies	Solve	Easy	Amazon	Array
1434. Number of Ways to Wear Different Hats to Each Other	Solve	Hard	Mindtickle	Array Bit Manipulation+2
1436. Destination City	Solve	Easy	Google+1	Array Hash Table+1
1437. Check If All 1's Are at Least Length K Places Away	Solve	Easy	United Health Group	Array
1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	Solve	Medium	Amazon+2	Array Heap (Priority Queue)+4
1439. Find the Kth Smallest Sum of a Matrix With Sorted Rows	Solve	Hard	Bloomberg	Array Binary Search+2
1441. Build an Array With Stack Operations	Solve	Medium	24/7 Innovation Labs+4	Array Simulation+1
1442. Count Triplets That Can Form Two Arrays of Equal XOR	Solve	Medium	-	Array Bit Manipulation+3
1444. Number of Ways of Cutting a Pizza	Solve	Hard	Bytedance+2	Array Dynamic Programming+2
1449. Form Largest Integer With Digits That Add up to Target	Solve	Hard	Google	Array Dynamic Programming
1450. Number of Students Doing Homework at a Given Time	Solve	Easy	Yandex	Array