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Multiplication Table (CSES) | Binary Search on Answer for 2D Array Problems

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Jul 16, 2025
19:20

In this episode of the Binary Search CP series, we solve the Multiplication Table problem from CSES using Binary Search on Answer — a unique variant involving counting in a 2D conceptual grid. 🎯 What You’ll Learn: How to apply binary search in problems involving grids and counts Logic behind finding the median in a multiplication table Designing an efficient check() function without creating the matrix Clean and optimal C++ implementation CP intuition to approach non-array binary search questions 📎 Problem Link: https://cses.fi/problemset/task/2422/ 🔔 Subscribe for more Binary Search-based problems that appear in real contests and help you push your Codeforces & CSES ratings up. #BinarySearch #CompetitiveProgramming #CSES #MultiplicationTable #BinarySearchOnAnswer #CPWithYash

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Multiplication Table (CSES) | Binary Search on Answer for 2D Array Problems | NatokHD