---
id: 5900f38b1000cf542c50fe9e
challengeType: 5
title: 'Problem 31: Coin sums'
videoUrl: ''
localeTitle: 'Problema 31: somas de moeda'
---

## Description
<section id="description"> Na Inglaterra, a moeda é composta de libras, libras e moedas, e há oito moedas em circulação: 1p, 2p, 5p, 10p, 20p, 50p, £ 1 (100p) e £ 2 (200p). É possível fazer £ 2 da seguinte maneira: 1 × 1 + 1 × 50p + 2 × 20p + 1 × 5p + 1 × 2p + 3 × 1p De quantas maneiras diferentes podem ser feitas (£) usando qualquer número de moedas? </section>

## Instructions
<section id="instructions">
</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: <code>coinSums(50)</code> deve retornar 451.
    testString: 'assert(coinSums(50) == 451, "<code>coinSums(50)</code> should return 451.");'
  - text: <code>coinSums(100)</code> deve retornar 4563.
    testString: 'assert(coinSums(100) == 4563, "<code>coinSums(100)</code> should return 4563.");'
  - text: <code>coinSums(150)</code> deve retornar 21873.
    testString: 'assert(coinSums(150) == 21873, "<code>coinSums(150)</code> should return 21873.");'
  - text: <code>coinSums(200)</code> deve retornar 73682.
    testString: 'assert(coinSums(200) == 73682, "<code>coinSums(200)</code> should return 73682.");'

```

</section>

## Challenge Seed
<section id='challengeSeed'>

<div id='js-seed'>

```js
function coinSums(n) {
  // Good luck!
  return n;
}

coinSums(200);

```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>