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OlympiadBench / 1789 / Determine the largest N for which there exists a table T of integers with…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

answer type

Expression

is multiple answer

false

language

English

question

Determine the largest NN for which there exists a table TT of integers with NN rows and 100 columns that has the following properties: (i) Every row contains the numbers 1,2, ., 100 in some order. (ii) For any two distinct rows rr and ss, there is a column cc such that |T(r,c)T(s,c)|2|T(r, c)-T(s, c)| \geqslant 2. Here T(r,c)T(r, c) means the number at the intersection of the row rr and the column cc.
Plain-text mathematical notation (without MathML)
Determine the largest N for which there exists a table T of integers with N rows and 100 columns that has the following properties:

(i) Every row contains the numbers 1,2, ., 100 in some order.

(ii) For any two distinct rows r and s, there is a column c such that |T(r,c)−T(s,c)|≥2.

Here T(r,c) means the number at the intersection of the row r and the column c.
Original LaTeX notation
Determine the largest $N$ for which there exists a table $T$ of integers with $N$ rows and 100 columns that has the following properties:

(i) Every row contains the numbers 1,2, ., 100 in some order.

(ii) For any two distinct rows $r$ and $s$, there is a column $c$ such that $|T(r, c)-T(s, c)| \geqslant 2$.

Here $T(r, c)$ means the number at the intersection of the row $r$ and the column $c$.

question type

Open-ended

subject

Math

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