* 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>
1.0 KiB
1.0 KiB
id, title, challengeType, videoUrl, dashedName
id | title | challengeType | videoUrl | dashedName |
---|---|---|---|---|
5900f4481000cf542c50ff5a | 问题219:偏差成本编码 | 5 | problem-219-skew-cost-coding |
--description--
设A和B为位串(0和1的序列)。如果A等于B的最左边长度(A)位,则A被称为B的前缀。例如,00110是001101001的前缀,但不是00111或100110的前缀。
大小为n的无前缀代码是n个不同位串的集合,因此没有字符串是任何其他字符串的前缀。例如,这是一个大小为6的无前缀代码:
0000,0001,001,01,10,11
现在假设发送'0'位需要一分钱,而传输'1'需要4便士。然后,上面显示的无前缀代码的总成本是35便士,这恰好是所讨论的偏斜定价方案可能最便宜的。简而言之,我们写Cost(6)= 35。
什么是成本(109)?
--hints--
euler219()
应返回64564225042。
assert.strictEqual(euler219(), 64564225042);
--seed--
--seed-contents--
function euler219() {
return true;
}
euler219();
--solutions--
// solution required