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freeCodeCamp/curriculum/challenges/english/10-coding-interview-prep/project-euler/problem-375-minimum-of-subsequences.md
Oliver Eyton-Williams ee1e8abd87 feat(curriculum): restore seed + solution to Chinese (#40683)
* feat(tools): add seed/solution restore script

* chore(curriculum): remove empty sections' markers

* chore(curriculum): add seed + solution to Chinese

* chore: remove old formatter

* fix: update getChallenges

parse translated challenges separately, without reference to the source

* chore(curriculum): add dashedName to English

* chore(curriculum): add dashedName to Chinese

* refactor: remove unused challenge property 'name'

* fix: relax dashedName requirement

* fix: stray tag

Remove stray `pre` tag from challenge file.

Signed-off-by: nhcarrigan <nhcarrigan@gmail.com>

Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
2021-01-12 19:31:00 -07:00

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Markdown

---
id: 5900f4e41000cf542c50fff5
title: 'Problem 375: Minimum of subsequences'
challengeType: 5
forumTopicId: 302037
dashedName: problem-375-minimum-of-subsequences
---
# --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).
# --hints--
`euler375()` should return 7435327983715286000.
```js
assert.strictEqual(euler375(), 7435327983715286000);
```
# --seed--
## --seed-contents--
```js
function euler375() {
return true;
}
euler375();
```
# --solutions--
```js
// solution required
```