math & informatics teacher
Public
Edited
Dec 31, 2022
answer = pentagons.length
pentagons = polylines.filter(
(t) => t.m - t.x === 72 || (t.m - t.x === -72 && t.k >= 5)
)
polylines = d3.dsvFormat(";").parseRows(text, (d) => {
return { k: +d[0], m: +d[1], n: +d[2], x: +d[3] };
}) //.parseRows(text, d3.autoType) // если хотим массив массивов, то используем закомментированный вариант
text = await FileAttachment("9-137.csv").text()
9-137.csv
Type Table, then Shift-Enter. Ctrl-space for more options.
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