def count_pairs_with_sum(arr, target_sum): count = 0 seen = set()

TCS shifted focus from complex data structures (like graphs) to optimization problems involving prime numbers, base conversions, and string manipulations.

Example:

This report summarizes the coding questions and exam pattern for the . The 2021 recruitment cycle introduced several specific problem types focused on basic data structures and real-world scenario modeling. 1. Exam Overview (2021 Cycle)

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