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11

Domination problem with sets

Dec 6, 2018

3

Given a positive integer $n$, some straight lines and lattice points such... Prove that the number of the lines is at least $n(n+3)$

Dec 19, 2020

2

The drawn diagonals divide the $N\times N$ board into $K$ regions. For each $N$, determine the smallest and the largest possible values of $K$

Jul 8, 2019

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6

Domination problem with sets

Dec 9, 2018

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co.combinatorics

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combinatorial-optimization

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algorithms

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extremal-set-theory

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probabilistic-method

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Dec 10, 2018
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