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---
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id: 5900f4551000cf542c50ff68
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challengeType: 5
title: 'Problem 233: Lattice points on a circle'
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videoUrl: ''
localeTitle: 'Problema 233: Puntos de celosía en un círculo'
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---
## Description
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< section id = "description" > Sea f (N) el número de puntos con coordenadas enteras que están en un círculo que pasa por (0,0), (N, 0), (0, N) y (N, N). Se puede mostrar que f (10000) = 36. < p > ¿Cuál es la suma de todos los enteros positivos N ≤ 1011 de manera que f (N) = 420? < / p > < / section >
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## Instructions
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< section id = "instructions" >
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< / section >
## Tests
< section id = 'tests' >
```yml
tests:
- text: < code > euler233()</ code > debe devolver 271204031455541300.
testString: 'assert.strictEqual(euler233(), 271204031455541300, "< code > euler233()< / code > should return 271204031455541300.");'
```
< / section >
## Challenge Seed
< section id = 'challengeSeed' >
< div id = 'js-seed' >
```js
function euler233() {
// Good luck!
return true;
}
euler233();
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```
< / div >
< / section >
## Solution
< section id = 'solution' >
```js
// solution required
```
< / section >