* 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>
957 B
957 B
id, title, challengeType, videoUrl, dashedName
id | title | challengeType | videoUrl | dashedName |
---|---|---|---|---|
5900f4141000cf542c50ff26 | 问题167:研究Ulam序列 | 5 | problem-167-investigating-ulam-sequences |
--description--
对于两个正整数a和b,Ulam序列U(a,b)由U(a,b)1 = a,U(a,b)2 = b定义,对于k> 2,U(a,b) )k是大于U(a,b)(k-1)的最小整数,它可以用一种方式写成U(a,b)的两个不同的先前成员的总和。例如,序列U(1,2)以1,2,3 = 1 + 2,4 = 1 + 3,6 = 2 + 4,8 = 2 + 6,11 = 3 + 8开始; 5不属于它,因为5 = 1 + 4 = 2 + 3有两个表示作为前两个成员的总和,同样7 = 1 + 6 = 3 + 4.找到ΣU(2,2n + 1)k为2≤n≤10,其中k = 1011。
--hints--
euler167()
应该返回3916160068885。
assert.strictEqual(euler167(), 3916160068885);
--seed--
--seed-contents--
function euler167() {
return true;
}
euler167();
--solutions--
// solution required