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Codeforces A – Painting the Ribbon | Easy Math Trick Explained | Educational Round 164
Автор: BitChaos
Загружено: 2026-03-06
Просмотров: 7
Описание:
In this video we solve the Codeforces problem "Painting the Ribbon" from Educational Round 164.
Alice paints the ribbon with m colors, then Bob can repaint at most k parts.
Can Alice paint the ribbon in such a way that Bob cannot make all parts the same color?
We break down the logic, understand the math behind the condition, and implement the solution in C++.
Problem Difficulty: ~900
Topics: Greedy, Math, Constructive Algorithms
Code included with explanation.
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