Preparing TCS coding questions helps candidates strengthen their programming, problem-solving, and algorithmic thinking skills. The coding difficulty varies across TCS Ninja, TCS Digital, and TCS Prime hiring categories.
- Covers the most frequently asked coding questions for TCS Ninja, Digital, and Prime.
- Helps candidates prepare for TCS NQT coding assessments and technical interviews through structured practice.
TCS Ninja Coding Questions
- Roman to Integer
- Longest Common Prefix
- Valid Parentheses
- Merge Two Sorted Lists
- Remove Duplicates from Sorted Array
- Add Binary
- Plus One
- Pascal's Triangle
- Best Time to Buy and Sell Stock
- Reverse Linked List
- Move Zeroes
- Maximum Subarray
- Jump Game
- Spiral Matrix
- Unique Paths
- Rotate Array
- Reverse Words in a String
- Search in Rotated Sorted Array
- Reverse String
- Binary Search
- Search Insert Position
- Digit Square Sequence
- Single Element in a Sorted Array
- Power of Two
- Missing Number
- Valid Palindrome
- First Unique Character in a String
- Fizz Buzz
- Fibonacci Number
- Count the Digits That Divide a Number
- Sum of Array
- Remove Element
- Third Maximum Number
- Squares of a Sorted Array
- Middle of the Linked List
- Diameter of Binary Tree
- Rotate String
- Longest Palindrome Substring
- Max Consecutive Ones
TCS Digital Coding Questions
- Valid Anagram
- Contains Duplicate
- Contains Duplicate II
- 3Sum
- 4Sum
- Generate Parentheses
- Group Anagrams
- Product of Array Except Self
- Number of Islands
- Longest Increasing Subsequence
- Search a 2D Matrix
- Merge Intervals
- Set Matrix Zeroes
- Sort an array of 0s, 1s and 2s
- Longest Consecutive Sequence
- Maximum Product Subarray
- Majority Element II
- Majority Element
- Largest Number
- K-diff Pairs in an Array
- Find Peak Element
- Find the Duplicate Number
- House Robber
- Min Stack
- Remove Nth Node From End of List
- Odd Even Linked List
- Reorder List
- Task Scheduler
- Next Greater Element I
- Continuous Subarray Sum
- Longest Substring Without Repeating Characters
- Subarray Sum Equals K
- Permutation in String
TCS Prime Coding Questions
- Trapping Rain Water
- Largest Rectangle in Histogram
- Sliding Window Maximum
- Maximal Rectangle
- Median of Two Sorted Arrays
- Smallest Missing Positive Number
- Merge K Sorted Lists
- Binary Tree Maximum Path Sum
- Serialize and Deserialize Binary Tree
- N-Queens
- Regular Expression Matching
- Palindrome Partitioning
- Word Ladder
- Burst Balloons
- Split Array With Same Average
- Min Cost Path
- Billboard Problem
- Integer to English Words
- Longest Common Subsequence
- Longest Palindromic Subsequence
- Longest Valid Parentheses
- Partition Equal Subset Sum
- Koko Eating Bananas
- Rotting Oranges
- Longest Subarray of 1's After Deleting One Element
- Rotate Image
- Next Permutation
- Permutations
- Maximum Number of Events That Can Be Attended II