Dashboard Questions Topics Companies Sheets

Queue

Topic

47 coding problems covering Queue concepts. Master this topic and improve your problem-solving skills.

Problems

Easy

Medium

Hard

Difficulty

All47 Easy7 Medium21 Hard19

Title	Solve	Difficulty	Companies	Topics
225. Implement Stack using Queues	Solve	Easy	Accenture+54	Design Queue+1
232. Implement Queue using Stacks	Solve	Easy	Amazon+4	Design Queue+1
239. Sliding Window Maximum	Solve	Hard	Accion Labs India+66	Array Heap (Priority Queue)+3
281. Zigzag Iterator	Solve	Medium	Amazon+3	Array Design+2
341. Flatten Nested List Iterator	Solve	Medium	Airbnb+10	Depth-First Search Design+4
346. Moving Average from Data Stream	Solve	Easy	Amazon+3	Array Data Stream+2
353. Design Snake Game	Solve	Medium	Amazon+6	Array Design+3
362. Design Hit Counter	Solve	Medium	Affirm+7	Array Binary Search+3
379. Design Phone Directory	Solve	Medium	Amazon+1	Array Design+3
387. First Unique Character in a String	Solve	Easy	Amazon+8	Counting Hash Table+2
622. Design Circular Queue	Solve	Medium	Airbnb+5	Array Design+2
641. Design Circular Deque	Solve	Medium	-	Array Design+2
649. Dota2 Senate	Solve	Medium	Valve	Greedy Queue+1
683. K Empty Slots	Solve	Hard	Google+1	Array Binary Indexed Tree+6
862. Shortest Subarray with Sum at Least K	Solve	Hard	Adobe+3	Array Binary Search+5
918. Maximum Sum Circular Subarray	Solve	Medium	Alibaba+4	Array Divide and Conquer+3
933. Number of Recent Calls	Solve	Easy	Bloomberg+1	Data Stream Design+1
936. Stamping The Sequence	Solve	Hard	-	Greedy Queue+2
950. Reveal Cards In Increasing Order	Solve	Medium	Adobe	Array Queue+2
995. Minimum Number of K Consecutive Bit Flips	Solve	Hard	Akuna Capital+1	Array Bit Manipulation+3
1352. Product of the Last K Numbers	Solve	Medium	Amazon+3	Array Data Stream+3
1425. Constrained Subsequence Sum	Solve	Hard	Akuna Capital	Array Dynamic Programming+4
1429. First Unique Number	Solve	Medium	Amazon+1	Array Data Stream+3
1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	Solve	Medium	Amazon+2	Array Heap (Priority Queue)+4
1499. Max Value of Equation	Solve	Hard	Google	Array Heap (Priority Queue)+3
1670. Design Front Middle Back Queue	Solve	Medium	Amazon	Array Data Stream+3
1687. Delivering Boxes from Storage to Ports	Solve	Hard	Nutanix	Array Dynamic Programming+5
1696. Jump Game VI	Solve	Medium	Amazon+4	Array Dynamic Programming+3
1700. Number of Students Unable to Eat Lunch	Solve	Easy	Flipkart	Array Queue+2
1823. Find the Winner of the Circular Game	Solve	Medium	Bloomberg+1	Array Math+3
1825. Finding MK Average	Solve	Hard	Google	Data Stream Design+3
2071. Maximum Number of Tasks You Can Assign	Solve	Hard	Sabre+1	Array Binary Search+4
2073. Time Needed to Buy Tickets	Solve	Easy	Twitter	Array Queue+1
2327. Number of People Aware of a Secret	Solve	Medium	Amazon+1	Dynamic Programming Queue+1
2398. Maximum Number of Robots Within Budget	Solve	Hard	Amazon+1	Array Binary Search+5
2407. Longest Increasing Subsequence II	Solve	Hard	Apple+1	Array Binary Indexed Tree+5
2444. Count Subarrays With Fixed Bounds	Solve	Hard	Google	Array Monotonic Queue+2
2526. Find Consecutive Integers from a Data Stream	Solve	Medium	Intel	Counting Data Stream+3
2528. Maximize the Minimum Powered City	Solve	Hard	-	Array Binary Search+4
2534. Time Taken to Cross the Door	Solve	Hard	Amazon+1	Array Queue+1
2762. Continuous Subarrays	Solve	Medium	Adobe+3	Array Heap (Priority Queue)+4
2944. Minimum Number of Coins for Fruits	Solve	Medium	-	Array Dynamic Programming+3
2945. Find Maximum Non-decreasing Array Length	Solve	Hard	Amazon	Array Binary Search+5
2969. Minimum Number of Coins for Fruits II	Solve	Hard	-	Array Dynamic Programming+3
3117. Minimum Sum of Values by Dividing Array	Solve	Hard	-	Array Binary Search+4
3191. Minimum Operations to Make Binary Array Elements Equal to One I	Solve	Medium	-	Array Bit Manipulation+3
3369. Design an Array Statistics Tracker	Solve	Hard	-	Binary Search Hash Table+1