Dashboard Questions Topics Companies Sheets

IBM Interview Questions

37 coding problems asked in IBM interviews. Prepare for your technical interview with real questions.

Problems

Easy

Medium

Hard

Difficulty

All37 Easy11 Medium21 Hard5

Title	Solve	Difficulty	Companies	Topics
1. Two Sum	Solve	Easy	Accenture+29	Array Hash Table
4. Median of Two Sorted Arrays	Solve	Hard	Accolite+38	Array Binary Search+1
5. Longest Palindromic Substring	Solve	Medium	Accenture+50	Dynamic Programming String+1
13. Roman to Integer	Solve	Easy	Accenture+18	Hash Table Math+1
49. Group Anagrams	Solve	Medium	Adobe+23	Array Hash Table+2
56. Merge Intervals	Solve	Medium	Adobe+24	Array Sorting
92. Reverse Linked List II	Solve	Medium	1218 Global+122	Linked List
118. Pascal's Triangle	Solve	Easy	Adobe+17	Array Dynamic Programming
134. Gas Station	Solve	Medium	Adobe+8	Array Greedy
135. Candy	Solve	Hard	Adobe+21	Array Greedy
139. Word Break	Solve	Medium	Accenture+38	Array Dynamic Programming+4
221. Maximal Square	Solve	Medium	Amazon+7	Array Dynamic Programming+1
239. Sliding Window Maximum	Solve	Hard	Accion Labs India+66	Array Heap (Priority Queue)+3
283. Move Zeroes	Solve	Easy	Adobe+11	Array Two Pointers
300. Longest Increasing Subsequence	Solve	Medium	Accenture+78	Array Binary Search+1
389. Find the Difference	Solve	Easy	Adobe+4	Bit Manipulation Hash Table+2
445. Add Two Numbers II	Solve	Medium	Accenture+49	Linked List Math+1
518. Coin Change II	Solve	Medium	Accenture+68	Array Dynamic Programming
606. Construct String from Binary Tree	Solve	Medium	Adobe+3	Binary Tree Depth-First Search+2
697. Degree of an Array	Solve	Easy	Adobe+6	Array Hash Table
714. Best Time to Buy and Sell Stock with Transaction Fee	Solve	Medium	Adobe+4	Array Dynamic Programming+1
844. Backspace String Compare	Solve	Easy	Amazon+12	Simulation Stack+2
1012. Numbers With Repeated Digits	Solve	Hard	Google+2	Dynamic Programming Math
1208. Get Equal Substrings Within Budget	Solve	Medium	IBM+1	Binary Search Prefix Sum+2
1355. Activity Participants	Solve	Medium	IBM	Database
1518. Water Bottles	Solve	Easy	Amazon+2	Math Simulation
1529. Minimum Suffix Flips	Solve	Medium	Amazon+2	Greedy String
1560. Most Visited Sector in a Circular Track	Solve	Easy	IBM	Array Simulation
2433. Find The Original Array of Prefix Xor	Solve	Medium	IBM+1	Array Bit Manipulation
2455. Average Value of Even Numbers That Are Divisible by Three	Solve	Easy	IBM	Array Math
2491. Divide Players Into Teams of Equal Skill	Solve	Medium	Expedia+1	Array Hash Table+2
2545. Sort the Students by Their Kth Score	Solve	Medium	IBM	Array Matrix+1
2562. Find the Array Concatenation Value	Solve	Easy	IBM	Array Simulation+1
2598. Smallest Missing Non-negative Integer After Operations	Solve	Medium	Atlassian+2	Array Greedy+2
2907. Maximum Profitable Triplets With Increasing Prices I	Solve	Medium	IBM	Array Binary Indexed Tree+1
2921. Maximum Profitable Triplets With Increasing Prices II	Solve	Hard	IBM	Array Binary Indexed Tree+1
2964. Number of Divisible Triplet Sums	Solve	Medium	IBM	Array Hash Table