尾随零(Trailing Zeros)
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题目描述
你的任务是计算阶乘 n!中尾随零的数量。 例如:20!=2432902008176640000,它有 4 个尾随零。
输入格式
唯一的输入行包含一个整数 n。
输出格式
输出 n! 中尾随零的数量。
20
4
30
7
数据范围与提示
Introductory Problems
- Status
- Done
- Rule
- Ledo
- Problem
- 9
- Start at
- 2024-8-13 9:00
- End at
- 2024-8-13 12:18
- Duration
- 3.3 hour(s)
- Host
-
jack
- Partic.
- 4