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gikf 32fac23a2d fix(curriculum): clean-up Project Euler 161-180 (#42782 )

* fix: clean-up Project Euler 161-180

* fix: corrections from review

Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>

Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>

2021-07-12 16:19:03 +02:00

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id, title, challengeType, forumTopicId, dashedName

id	title	challengeType	forumTopicId	dashedName
5900f41e1000cf542c50ff31	Problem 178: Step Numbers	5	301813	problem-178-step-numbers

--description--

Consider the number 45656.

It can be seen that each pair of consecutive digits of 45656 has a difference of one.

A number for which every pair of consecutive digits has a difference of one is called a step number.

A pandigital number contains every decimal digit from 0 to 9 at least once.

How many pandigital step numbers less than {10}^{40} are there?

--hints--

stepNumbers() should return 126461847755.

assert.strictEqual(stepNumbers(), 126461847755);

--seed--

--seed-contents--

function stepNumbers() {

  return true;
}

stepNumbers();

--solutions--

// solution required

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