* 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>
814 B
814 B
id, title, challengeType, forumTopicId, dashedName
id | title | challengeType | forumTopicId | dashedName |
---|---|---|---|---|
5900f4231000cf542c50ff34 | Problem 181: Investigating in how many ways objects of two different colours can be grouped | 5 | 301817 | problem-181-investigating-in-how-many-ways-objects-of-two-different-colours-can-be-grouped |
--description--
Having three black objects B and one white object W they can be grouped in 7 ways like this:
(BBBW)(B,BBW)(B,B,BW)(B,B,B,W)
(B,BB,W)(BBB,W)(BB,BW)
In how many ways can sixty black objects B and forty white objects W be thus grouped?
--hints--
euler181()
should return 83735848679360670.
assert.strictEqual(euler181(), 83735848679360670);
--seed--
--seed-contents--
function euler181() {
return true;
}
euler181();
--solutions--
// solution required