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

644 B

Raw Blame History

id, title, challengeType, videoUrl, dashedName

id	title	challengeType	videoUrl	dashedName
5900f5041000cf542c510016	问题407：幂等元素	5		problem-407-idempotents

--description--

如果我们计算a2 mod 6为0≤a≤5，我们得到：0,1,4,3,4,1。

a2≡amod 6的最大值为4.让我们将M（n）称为a <n的最大值，使得a2≡a（mod n）。所以M（6）= 4。

找ΣM（n）为1≤n≤107。

--hints--

euler407()应该返回39782849136421。

assert.strictEqual(euler407(), 39782849136421);

--seed--

--seed-contents--

function euler407() {

  return true;
}

euler407();

--solutions--

// solution required

644 B Raw Blame History Unescape Escape