I'm not gonna call this completed; as you and everyone else reading this know, we do still throw away some votes for some user-deletions... and probably always will for the reasons you noted in your proposal.
But we have a system in place to prevent the most disruptive forms of vote deletion, a...
Triangular polkadot numbers code-golf math sequence
Given the infinite triangular array of positive integers, select every 2nd numbers on every 2nd row.
$$
\require{enclose}
\underline{1} \\
\;2\; \quad \;3\; \\
\;\underline{4}\; \quad \;5\; \quad \;\underline{6}\; \\
\;7\; \quad \;8\; \quad \;9\...
Create a finite set with given data
Your task
Given a set in set-builder form, convert it into roster.
Info
When creating a set, there are (essentially) two forms; the set builder form and the roster form.
Roster form is the one most people are familiar with; {1, 2, 3, 4} is a set in roster form....
Integer Bluffing (Still a draft)
king-of-the-hillpython
It's an exciting night at the IGS casino, as a brand new table game is being revealed - Integer Bluffing. Bots from all over the network have come to have a chance at playing the inaugral game, and luckily for you, you just happen to have a ...
Find a matrix whose sliding sum is the input
Given a matrix like this:
1 1 3 -2
3 -4 1 -1
1 1 1 0
0 -1 0 0
By taking a 2×2 "sliding sum", where the sum of every 2×2 region of the matrix is one element of the resulting matrix, we get:
1 1 1
1 -1 1
1 1 1
We can do this for sliding wi...
