Open sx349 opened 1 year ago
https://pe-cn.github.io/821/
Problem 821 $123$-SeparableA set, $S$, of integers is called $123$-separable if $S$, $2S$ and $3S$ are disjoint. Here $2S$ and $3S$ are obtained by multiplying all the elements in $S$ by $2$ and $3$
https://pe-cn.github.io/821/
Problem 821 $123$-SeparableA set, $S$, of integers is called $123$-separable if $S$, $2S$ and $3S$ are disjoint. Here $2S$ and $3S$ are obtained by multiplying all the elements in $S$ by $2$ and $3$