Dashboard Questions Topics Companies Sheets

tcs Interview Questions

40 coding problems asked in tcs interviews. Prepare for your technical interview with real questions.

Problems

Easy

Medium

Hard

Difficulty

All40 Easy16 Medium19 Hard5

Title	Solve	Difficulty	Companies	Topics
13. Roman to Integer	Solve	Easy	Accenture+18	Hash Table Math+1
20. Valid Parentheses	Solve	Easy	Adobe+25	Stack String
33. Search in Rotated Sorted Array	Solve	Medium	Accenture+91	Array Binary Search
46. Permutations	Solve	Medium	Accenture+39	Array Backtracking
50. Pow(x, n)	Solve	Medium	Adobe+29	Math Recursion
92. Reverse Linked List II	Solve	Medium	1218 Global+122	Linked List
118. Pascal's Triangle	Solve	Easy	Adobe+17	Array Dynamic Programming
121. Best Time to Buy and Sell Stock	Solve	Easy	Adobe+30	Array Dynamic Programming
135. Candy	Solve	Hard	Adobe+21	Array Greedy
137. Single Number II	Solve	Medium	Amazon+10	Array Bit Manipulation
141. Linked List Cycle	Solve	Easy	42gearMobilitySystems+131	Hash Table Linked List+1
144. Binary Tree Preorder Traversal	Solve	Easy	Adobe+2	Binary Tree Depth-First Search+2
146. LRU Cache	Solve	Medium	Accolite+56	Design Doubly-Linked List+2
176. Second Highest Salary	Solve	Medium	Accenture+10	Database
189. Rotate Array	Solve	Medium	Amazon+6	Array Math+1
215. Kth Largest Element in an Array	Solve	Medium	ABCO+44	Array Divide and Conquer+3
217. Contains Duplicate	Solve	Easy	Adobe+8	Array Hash Table+1
225. Implement Stack using Queues	Solve	Easy	Accenture+54	Design Queue+1
283. Move Zeroes	Solve	Easy	Adobe+11	Array Two Pointers
287. Find the Duplicate Number	Solve	Medium	Adobe+30	Array Binary Search+2
300. Longest Increasing Subsequence	Solve	Medium	Accenture+78	Array Binary Search+1
343. Integer Break	Solve	Medium	Adobe+12	Dynamic Programming Math
344. Reverse String	Solve	Easy	Adobe+6	String Two Pointers
445. Add Two Numbers II	Solve	Medium	Accenture+49	Linked List Math+1
518. Coin Change II	Solve	Medium	Accenture+68	Array Dynamic Programming
673. Number of Longest Increasing Subsequence	Solve	Medium	Amazon+6	Array Binary Indexed Tree+2
706. Design HashMap	Solve	Easy	Adobe+26	Array Design+3
712. Minimum ASCII Delete Sum for Two Strings	Solve	Medium	Activision+2	Dynamic Programming String
847. Shortest Path Visiting All Nodes	Solve	Hard	Amazon+7	Bit Manipulation Bitmask+3
852. Peak Index in a Mountain Array	Solve	Medium	Accolite+22	Array Binary Search
871. Minimum Number of Refueling Stops	Solve	Hard	Amazon+9	Array Dynamic Programming+2
1095. Find in Mountain Array	Solve	Hard	Adobe+8	Array Binary Search+1
1502. Can Make Arithmetic Progression From Sequence	Solve	Easy	Amazon+5	Array Sorting
1584. Min Cost to Connect All Points	Solve	Medium	Amazon+4	Array Graph+2
1631. Path With Minimum Effort	Solve	Medium	Amazon+7	Array Binary Search+5
1745. Palindrome Partitioning IV	Solve	Hard	tcs	Dynamic Programming String
1800. Maximum Ascending Subarray Sum	Solve	Easy	tcs	Array
2423. Remove Letter To Equalize Frequency	Solve	Easy	Bloomberg+1	Counting Hash Table+1
2481. Minimum Cuts to Divide a Circle	Solve	Easy	tcs	Geometry Math
2520. Count the Digits That Divide a Number	Solve	Easy	tcs	Math