a9418a1fe9
* fix: clean-up Project Euler 221-240 * fix: corrections from review Co-authored-by: Tom <20648924+moT01@users.noreply.github.com> Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>
41 lines
653 B
Markdown
41 lines
653 B
Markdown
---
|
|
id: 5900f44b1000cf542c50ff5d
|
|
title: 'Problem 222: Sphere Packing'
|
|
challengeType: 5
|
|
forumTopicId: 301865
|
|
dashedName: problem-222-sphere-packing
|
|
---
|
|
|
|
# --description--
|
|
|
|
What is the length of the shortest pipe, of internal radius 50mm, that can fully contain 21 balls of radii 30mm, 31mm, ..., 50mm?
|
|
|
|
Give your answer in micrometres (${10}^{-6}$ m) rounded to the nearest integer.
|
|
|
|
# --hints--
|
|
|
|
`spherePacking()` should return `1590933`.
|
|
|
|
```js
|
|
assert.strictEqual(spherePacking(), 1590933);
|
|
```
|
|
|
|
# --seed--
|
|
|
|
## --seed-contents--
|
|
|
|
```js
|
|
function spherePacking() {
|
|
|
|
return true;
|
|
}
|
|
|
|
spherePacking();
|
|
```
|
|
|
|
# --solutions--
|
|
|
|
```js
|
|
// solution required
|
|
```
|