11 lines
301 B
JavaScript
11 lines
301 B
JavaScript
// LeetCode 172. 阶乘后的零 https://leetcode-cn.com/problems/factorial-trailing-zeroes/submissions/
|
|
// LintCode 2. 尾部的零 https://www.lintcode.com/problem/trailing-zeros/description
|
|
|
|
export default (n) => {
|
|
let sum = 0
|
|
while (n !== 0) {
|
|
sum += Math.floor(n /= 5)
|
|
}
|
|
return sum
|
|
}
|