72 lines
1.2 KiB
Markdown
72 lines
1.2 KiB
Markdown
![]() |
---
|
||
|
id: 5
|
||
|
localeTitle: 5900f5351000cf542c510047
|
||
|
challengeType: 5
|
||
|
title: 'Problem 456: Triangles containing the origin II'
|
||
|
---
|
||
|
|
||
|
## Description
|
||
|
<section id='description'>
|
||
|
Defina: xn = (1248n mod 32323) - 16161yn = (8421n mod 30103) - 15051
|
||
|
Pn = {(x1, y1), (x2, y2), ..., (xn, yn)}
|
||
|
|
||
|
|
||
|
For ejemplo, P8 = {(-14913, -6630), (-10161, 5625), (5226, 11896), (8340, -10778), (15852, -5203), (-15165, 11295), (-1427 , -14495), (12407, 1060)}.
|
||
|
|
||
|
Sea C (n) el número de triángulos cuyos vértices están en Pn que contienen el origen en el interior.
|
||
|
|
||
|
|
||
|
Ejemplos:
|
||
|
C (8) = 20
|
||
|
C (600) = 8950634
|
||
|
C (40 000) = 2666610948988
|
||
|
|
||
|
|
||
|
Encuentre C (2 000 000).
|
||
|
</section>
|
||
|
|
||
|
## Instructions
|
||
|
<section id='instructions'>
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Tests
|
||
|
<section id='tests'>
|
||
|
|
||
|
```yml
|
||
|
tests:
|
||
|
- text: <code>euler456()</code> debe devolver 333333208685971500.
|
||
|
testString: 'assert.strictEqual(euler456(), 333333208685971500, "<code>euler456()</code> should return 333333208685971500.");'
|
||
|
|
||
|
```
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Challenge Seed
|
||
|
<section id='challengeSeed'>
|
||
|
|
||
|
<div id='js-seed'>
|
||
|
|
||
|
```js
|
||
|
function euler456() {
|
||
|
// Good luck!
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
euler456();
|
||
|
```
|
||
|
|
||
|
</div>
|
||
|
|
||
|
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Solution
|
||
|
<section id='solution'>
|
||
|
|
||
|
```js
|
||
|
// solution required
|
||
|
```
|
||
|
</section>
|