How to reach from point A to point B
You have to get from point A to point B. You don’t know if you can get there. What would you do.
Source :: Google Interview
Source :: Google Interview
Given an integer n, write a function that returns count of trailing zeroes in n!. Examples: Input: n = 5 Output: 1 Factorial of 5 is 20 which has one trailing 0. Input: n = 20 Output: 4 Factorial of 20 is 2432902008176640000 which has 4 trailing zeroes. Input: n = 100 Output: 24
Comments
Post a Comment