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The year 2021 was a transformative period for the recruitment process, particularly with the widespread adoption of the National Qualifier Test (NQT) . This period saw a significant shift toward automated coding assessments that tested not just basic logic, but also mathematical aptitude and real-time problem-solving under strict time constraints.

Convert rows into columns by swapping matrix[i][j] with matrix[j][i] .

Reverse the words in a given sentence while keeping the word order the same. Remove Vowels: Remove all vowels from a string. Tcs Coding Questions 2021

def evaluate_trainees(): trainees = [0, 0, 0] # Reading 9 inputs row by row (Round 1: T1, T2, T3... etc) try: for i in range(3): # 3 rounds for j in range(3): # 3 trainees level = int(input()) if level < 1 or level > 100: print("INVALID INPUT") return trainees[j] += level except ValueError: print("INVALID INPUT") return # Calculate Averages averages = [round(t / 3) for t in trainees] max_avg = max(averages) if max_avg < 70: print("All trainees are unfit.") return for i in range(3): if averages[i] == max_avg: print(f"Trainee Number : i + 1") evaluate_trainees() Use code with caution. 4. Pro-Tips to Crack the TCS Coding Section

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)

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Given an array, shift all zero elements to the end while maintaining the relative order of non-zero elements.

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TCS problems heavily penalize code that fails to account for bound limits, negative indices, or structural formatting anomalies in raw standard inputs. Time Complexity Thresholds: Brute-force solutions targeting

Selection of trainees for a fitness test depends on their oxygen levels. Three trainees undergo running tests for 3 rounds. The oxygen level of each trainee is measured after each round.You are given the oxygen levels of all 3 trainees for all 3 rounds (total 9 inputs consecutively: Trainee 1 Round 1, Trainee 2 Round 1, Trainee 3 Round 1, Trainee 1 Round 2, etc.).Calculate the average oxygen level for each trainee. Find the fittest trainee(s) with the highest average oxygen level.

Write a program to test if a given input string is a valid keyword in a specific language subset. The standard keywords predefined in the system are: break, case, continue, default, defer, else, for, func, goto, if, map, range, return, select, struct, switch, type, var . Input Format A single string token. Output Format [string] is a keyword or [string] is not a keyword . Solution Template (C++) Reverse the words in a given sentence while