Tcs Coding Questions 2021 -

An automation system requires a module to identify if a user-inputted string matches any reserved keywords in a custom language programming environment. Given an array of predefined keywords, write a program that takes a string input and checks whether it is a keyword or not. If it is a keyword, print " is a keyword" . Otherwise, print " is not a keyword" .

With 2021 as a reference, aspirants should focus on building strong basics, as TCS has continued a similar pattern in subsequent years (2022–2025) with slight variations in question count and difficulty.

1. Find the Smallest Number Whose Product of Digits Equals N This was a frequent star in the Digital assessment. The Problem: Given a positive integer , find the smallest number such that the product of its digits is exactly → Output: , and 25 is smaller than 52). Key Logic:

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Succeeding in the TCS NQT coding rounds requires satisfying strict automated compilation environments.

Example: 45 → 45² = 2025 → split 20 + 25 = 45 → Yes. Square, convert to string, split, sum, compare.

Understand how to parse input from sys.stdin in Python or BufferedReader / Scanner in Java. Practice handling variable lengths of space-separated integers dynamically. 2. Strengthen Basic Mathematics An automation system requires a module to identify

: Usually based on a strict online assessment platform (like TCS iON) where code must pass both public and hidden test cases. High-Frequency Coding Topics

Below are three highly representative coding questions that appeared across various campus slots in 2021, complete with clean Python and C++ implementations. Problem 1: The Sweet Seventeen (Number Base Conversion)

The year 2021 marked a significant shift in how TCS evaluated candidates, focusing heavily on robust logic, problem-solving skills, and foundational data structures. This comprehensive guide breaks down the core patterns, top coding questions, and exact strategies from the 2021 TCS placement season to help you ace your upcoming technical exams. 1. Overview of the TCS Coding Landscape (2021 Patterns) Otherwise, print " is not a keyword"

A key detail for candidates is that there was . The test was also adaptive, meaning the difficulty of subsequent questions could depend on your previous answers. The Coding Section consisted of two questions, with a higher time allotment for the second question, typically of moderate difficulty, while the first was generally easier. Top performers in this NQT were shortlisted for an advanced test for the TCS Digital profile.

In 2021, TCS structured its programming assessment to evaluate both foundational coding skills and advanced problem-solving capabilities.