* 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>
789 B
789 B
id, title, challengeType, videoUrl, dashedName
id | title | challengeType | videoUrl | dashedName |
---|---|---|---|---|
5900f4c21000cf542c50ffd4 | 问题340:疯狂的功能 | 5 | problem-340-crazy-function |
--description--
对于固定整数a,b,c,定义疯狂函数F(n)如下:F(n)= n - c表示所有n> b F(n)= F(a + F(a + F(a +)所有n≤b的F(a + n))))。
另外,定义S(a,b,c)=。
例如,如果a = 50,b = 2000且c = 40,则F(0)= 3240并且F(2000)= 2040.此外,S(50,2000,40)= 5204240。
找到S(217,721,127)的最后9位数。
--hints--
euler340()
应返回291504964。
assert.strictEqual(euler340(), 291504964);
--seed--
--seed-contents--
function euler340() {
return true;
}
euler340();
--solutions--
// solution required