Count Trailing Zeros Factorial Problem

Count Trailing Zeros Factorial Problem — ExecCode School DSA Practice

Solve the Count Trailing Zeros Factorial problem on ExecCode. Free online school DSA practice in Math. Write and run code in Java, C++, Python — no signup required to run.

Problem description

You are given a whole number N. Your task is to solve Count Trailing Zeros Factorial. Find how many zeros are at the end of N factorial, and print that count.

Examples

Input 5; Output 1. Input 10; Output 2

Constraints

1 <= N <= 10^4

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