* 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>
941 B
941 B
id, title, challengeType, videoUrl, dashedName
id | title | challengeType | videoUrl | dashedName |
---|---|---|---|---|
5900f50a1000cf542c51001c | 问题413:独生子女号码 | 5 | problem-413-one-child-numbers |
--description--
我们说如果其子串中的一个子串可被d整除,则d位正数(无前导零)是一个子数。
例如,5671是一个4位数的单子号码。在其所有子串5,6,7,1,56,67,71,567,671和5671中,只有56可被4整除。类似地,104是3位单子数,因为只有0可被整除3. 1132451是一个7位数的单子号码,因为只有245可被7整除。
设F(N)是小于N的一子数的数。我们可以验证F(10)= 9,F(103)= 389和F(107)= 277674。
找到F(1019)。
--hints--
euler413()
应该返回3079418648040719。
assert.strictEqual(euler413(), 3079418648040719);
--seed--
--seed-contents--
function euler413() {
return true;
}
euler413();
--solutions--
// solution required