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TCS NQT
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Quantitative Aptitude

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Reasoning Ability

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Verbal Ability

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๐Ÿง  Reasoning Ability Hub

8 topics covering logical, analytical and critical reasoning.

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๐Ÿ“ Verbal Ability Hub

Master English grammar, comprehension and vocabulary.

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๐Ÿ’ป Coding Hub

Top 50 most asked TCS NQT coding programs in multiple languages.

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๐Ÿ”ข Numerical Ability Hub

Select a topic to start your practice. Each topic contains 25 curated questions.

๐Ÿš€ Advanced Ability Hub

Master the hardest sections of TCS NQT: Advanced Quant & Reasoning.

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๐ŸŽฏ Mock Tests

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CODING FUNDAMENTALS

TCS NQT 2026 โ€” How to Take Input

Super Simple Guide โ€” Anyone Can Understand!

Input Logic Mastery

TCS NQT Prep Pt. 1

Advanced Input Strategies

๐Ÿค” FIRST โ€” WHAT IS INPUT?

Think like this โ€”

๐Ÿช
Go to Shop
โžœ
๐Ÿ—ฃ๏ธ
Say "Bhaiya ek Parle-G do!"
โžœ
๐Ÿช
Shopkeeper gives biscuit!

You give information to computer = INPUT
Computer gives answer back = OUTPUT

๐ŸŽฏ WHY IS INPUT IMPORTANT IN TCS NQT?

Imagine teacher gives you numbers on paper โœ๏ธ. You read those numbers and solve it! Computer reads your numbers through INPUT! If you don't read correctly โ€” answer will be WRONG, even if your logic is 100% correct! ๐Ÿ˜ฑ

1. Basic Single Input

In Python, input() always returns a string. You must convert it manually if you need numbers.

Python Logic
n = int(input())    # For whole numbers (Integer)
f = float(input())  # For decimals (Float)
s = input()         # For text (String)

2. Multi-Value Input (The "Map" Trick)

When values are on the same line, use split() to break the string and map() to convert each piece.

Python Logic
# Input: 5 10
a, b = map(int, input().split())

# Explanation:
# 1. input() -> "5 10"
# 2. split() -> ["5", "10"]
# 3. map(int, ...) -> Converts both to actual integers 5 and 10

3. Array / List Input

Common in TCS NQT: An array is given in a single line. list() is required because map() is just a generator.

Python Logic
# Input: 10 20 30 40 50
arr = list(map(int, input().split()))

# Pro-Tip: If the number of elements (N) is given on the previous line:
n = int(input())
arr = list(map(int, input().split()))[:n] # Caps the list to N elements

4. 2D Matrix (Grid)

Uses a List Comprehension. This is much faster and cleaner than a standard for loop.

Python Logic
r, c = map(int, input().split())
# Reads 'r' lines, splitting each into 'c' integers
matrix = [list(map(int, input().split())) for _ in range(r)]

๐Ÿ Python Pro-Tip: Fast I/O

If you have 100,000+ inputs, input() might be slow. Use sys.stdin.readline instead.

Optimized Input
import sys
input = sys.stdin.readline # Overrides standard input with fast read

n = int(input())
arr = list(map(int, input().split()))

๐ŸŽฏ 5 MOST COMMON TCS NQT PATTERNS

Pattern 1 โ€” Just One Number

Input Example: 5

๐Ÿ Python:
n = int(input())
โ˜• Java:
int n = sc.nextInt();

Pattern 2 โ€” Two Numbers Same Line

Input Example: 5 10

๐Ÿ Python:
a, b = map(int, input().split())
โ˜• Java:
int a = sc.nextInt();
int b = sc.nextInt();

Pattern 3 โ€” List of Numbers

Input Example: 5 1 2 3 4 5

๐Ÿ Python:
n = int(input())
arr = list(map(int, input().split()))
โ˜• Java:
int n = sc.nextInt();
int[] arr = new int[n];
for(int i = 0; i < n; i++) {
    arr[i] = sc.nextInt();
}

Pattern 4 โ€” Table of Numbers (Matrix)

Input Example: 2 2 1 2 3 4

๐Ÿ Python:
r, c = map(int, input().split())
matrix = []
for i in range(r):
    row = list(map(int, input().split()))
    matrix.append(row)
โ˜• Java:
int r = sc.nextInt();
int c = sc.nextInt();
int[][] matrix = new int[r][c];
for(int i = 0; i < r; i++){
    for(int j = 0; j < c; j++){
        matrix[i][j] = sc.nextInt();
    }
}

โŒ COMMON MISTAKES โ€” DON'T DO THIS!

Mistake โŒ Wrong โœ… Right
Forgetting int in Python input() int(input())
Forgetting Scanner in Java Missing import import java.util.*
Forgetting split() in Py map(int, input()) map(int, input().split())
Forgetting list() in Py map(int, input().split()) list(map(int, input().split()))

๐Ÿ GOLDEN RULES โ€” PYTHON

1. One number = int(input())
2. One word = input()
3. Many numbers = list(map(int, input().split()))
4. Many separate numbers = a, b = map(int, input().split())
5. Size + List = Always use two lines!

โ˜• GOLDEN RULES โ€” JAVA

1. Always import Scanner first!
2. One number = sc.nextInt()
3. One word = sc.next()
4. Many numbers = use for loop with sc.nextInt()
5. Initialization: Scanner sc = new Scanner(System.in)

๐Ÿ“š Study Resources

Quant PDFs

Day-wise quantitative aptitude PDFs with 500+ solved questions.

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Verbal PDFs

Complete verbal ability study material and practice PDFs.

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Reasoning PDFs

Topic-wise reasoning ability notes and formula sheets.

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PYQ Papers

Authentic TCS NQT previous year papers from 2019-2025.

Open Drive ๐Ÿ“‚

Coding Guide

Top 50 most asked coding programs with logic explained.

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