ah, scratch that. The issue is actually a price of ".2" which apparently should be valid

the above order should be a bad one, as the price doesnt contain ".". But the test seems to expect it to pass

CLH16.NYM 50 56 S [ 'CLH16.NYM', '50', '56', 'S' ]

ingeniously simple is what I mean. It's hard to find solutions like this which avoid so much complexity in the code

Damn , that is elegant

Damn, this is beautifully simple

The expected output is a single string with each row separated with line break.
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Oh.... Ok I got it. Thanks

You wrote the answer in the question. 6=1, 12=2, 18=3 ... Try to figure out the logic of these equations

In the example, input 6 = 1 line full of ■,
input 12 = 2 ■ lines,
input 18 = 3 ■ lines.
Why? Is there any special rules for those ■ lines?

Ok, I thought putting in assertions will result in the same visual output as logs (kudos! ~~

no, the assertion message is ignoring formatting. That's why the logs are there (unless I'm missing something?)

Logs in JS should be removed and placed as assertion messages

Oh. Finally understand the logic of flat rows.
Just did it. Odd n`s are foooo