Art of Problem Solving
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2023 SSMO Relay Round 2 Problems/Problem 3: Difference between revisions

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==Problem==
==Problem==
Let <math>T=TNYWR</math>. In a committee of <math>2023</math> people, <math>N</math> are scientists and the rest are builders. In order to make a building, <math>\frac{N}{2}</math> people must be choosen with at least one scientist and one builder. If <math>x</math> is the number of ways to do this, find the largest integer <math>a</math> such <math>2^a \mid x</math>.
Let <math>T=TNYWR</math>. In a committee of <math>2023</math> people, <math>T</math> are scientists and the rest are builders. In order to make a building, <math>\frac{T}{2}</math> people must be choosen with at least one scientist and one builder. If <math>x</math> is the number of ways to do this, find the largest integer <math>a</math> such <math>2^a \mid x</math>.


==Solution==
==Solution==

Latest revision as of 14:24, 15 September 2025

Problem

Let $T=TNYWR$. In a committee of $2023$ people, $T$ are scientists and the rest are builders. In order to make a building, $\frac{T}{2}$ people must be choosen with at least one scientist and one builder. If $x$ is the number of ways to do this, find the largest integer $a$ such $2^a \mid x$.

Solution