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

978 B

Raw Blame History

id, title, challengeType, videoUrl, dashedName

id	title	challengeType	videoUrl	dashedName
5900f5001000cf542c510012	问题404：交叉椭圆	5		problem-404-crisscross-ellipses

--description--

Ea是椭圆，其形式为x2 + 4y2 = 4a2。 Ea'是Ea的旋转图像，绕原点O（0,0）逆时针旋转θ度0°<θ<90°。

b是距离原点最近的两个交点的原点的距离，c是另外两个交点的距离。如果a，b和c是正整数，我们称有序三元组（a，b，c）为规范椭圆体三元组。例如，（209,247,286）是规范的椭圆体三重态。

令C（N）为a≤N的不同规范椭球三胞胎（a，b，c）的数量。可以证实C（103）= 7，C（104）= 106和C（106）= 11845 。

找到C（1017）。

--hints--

euler404()应该返回1199215615081353。

assert.strictEqual(euler404(), 1199215615081353);

--seed--

--seed-contents--

function euler404() {

  return true;
}

euler404();

--solutions--

// solution required

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