freeCodeCamp/curriculum/challenges/english/08-coding-interview-prep/project-euler/problem-375-minimum-of-subs...

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---
id: 5900f4e41000cf542c50fff5
challengeType: 5
title: 'Problem 375: Minimum of subsequences'
forumTopicId: 302037
---
## Description
<section id='description'>
Let Sn be an integer sequence produced with the following pseudo-random number generator:
S0
= 
290797 
Sn+1
= 
Sn2 mod 50515093
Let A(i, j) be the minimum of the numbers Si, Si+1, ... , Sj for i ≤ j.
Let M(N) = ΣA(i, j) for 1 ≤ i ≤ j ≤ N.
We can verify that M(10) = 432256955 and M(10 000) = 3264567774119.
Find M(2 000 000 000).
</section>
## Instructions
<section id='instructions'>
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler375()</code> should return 7435327983715286000.
testString: assert.strictEqual(euler375(), 7435327983715286000);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler375() {
// Good luck!
return true;
}
euler375();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>