freeCodeCamp/curriculum/challenges/portuguese/08-coding-interview-prep/project-euler/problem-261-pivotal-square-...

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---
id: 5900f4711000cf542c50ff84
challengeType: 5
title: 'Problem 261: Pivotal Square Sums'
videoUrl: ''
localeTitle: 'Problema 261: Soma Quadrada Principal'
---
## Description
<section id="description"> Vamos chamar um inteiro positivo ka de pivô quadrado, se houver um par de inteiros m&gt; 0 e n ≥ k, tal que a soma dos quadrados (m + 1) consecutivos até k seja igual à soma dos m quadrados consecutivos de (n + 1) em: <p> (km) 2 + ... + k2 = (n + 1) 2 + ... + (n + m) 2. </p><p> Alguns pequenos pivôs quadrados são 4: 32 + 42 = 52 21: 202 + 212 = 292 24: 212 + 222 + 232 + 242 = 252 + 262 + 272 110: 1082 + 1092 + 1102 = 1332 + 1342 Encontre a soma de todos pivôs quadrados distintos ≤ 1010. </p></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler261()</code> deve retornar 238890850232021.
testString: 'assert.strictEqual(euler261(), 238890850232021, "<code>euler261()</code> should return 238890850232021.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler261() {
// Good luck!
return true;
}
euler261();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>