62 lines
1.7 KiB
Markdown
62 lines
1.7 KiB
Markdown
|
---
|
||
|
id: 5900f3901000cf542c50fea3
|
||
|
challengeType: 5
|
||
|
title: 'Problem 36: Double-base palindromes'
|
||
|
videoUrl: ''
|
||
|
localeTitle: 'Problema 36: Palíndromos de base dupla'
|
||
|
---
|
||
|
|
||
|
## Description
|
||
|
<section id="description"> O número decimal, 585 = 10010010012 (binário), é palíndromo em ambas as bases. Encontre a soma de todos os números, menor que n, enquanto 1000 <= n <= 1000000, que são palíndromos na base 10 e na base 2. (Observe que o número palíndromo, em qualquer base, pode não incluir zeros à esquerda). </section>
|
||
|
|
||
|
## Instructions
|
||
|
<section id="instructions">
|
||
|
</section>
|
||
|
|
||
|
## Tests
|
||
|
<section id='tests'>
|
||
|
|
||
|
```yml
|
||
|
tests:
|
||
|
- text: <code>doubleBasePalindromes(1000)</code> deve retornar 1772.
|
||
|
testString: 'assert(doubleBasePalindromes(1000) == 1772, "<code>doubleBasePalindromes(1000)</code> should return 1772.");'
|
||
|
- text: <code>doubleBasePalindromes(50000)</code> deve retornar 105795.
|
||
|
testString: 'assert(doubleBasePalindromes(50000) == 105795, "<code>doubleBasePalindromes(50000)</code> should return 105795.");'
|
||
|
- text: <code>doubleBasePalindromes(500000)</code> deve retornar 286602.
|
||
|
testString: 'assert(doubleBasePalindromes(500000) == 286602, "<code>doubleBasePalindromes(500000)</code> should return 286602.");'
|
||
|
- text: <code>doubleBasePalindromes(1000000)</code> deve retornar 872187.
|
||
|
testString: 'assert(doubleBasePalindromes(1000000) == 872187, "<code>doubleBasePalindromes(1000000)</code> should return 872187.");'
|
||
|
|
||
|
```
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Challenge Seed
|
||
|
<section id='challengeSeed'>
|
||
|
|
||
|
<div id='js-seed'>
|
||
|
|
||
|
```js
|
||
|
function doubleBasePalindromes(n) {
|
||
|
// Good luck!
|
||
|
return n;
|
||
|
}
|
||
|
|
||
|
doubleBasePalindromes(1000000);
|
||
|
|
||
|
```
|
||
|
|
||
|
</div>
|
||
|
|
||
|
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Solution
|
||
|
<section id='solution'>
|
||
|
|
||
|
```js
|
||
|
// solution required
|
||
|
```
|
||
|
</section>
|