Count the number of ways

By -
You have n number of chocolates. Your best friend asks for the chocolate but you say that he can take only 1 or maximum 2 chocolates at a time.
Find the number of ways in which your friend can take all the chocolates in any number of times..

Comments

Post a Comment

Popular posts from this blog

By -
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
Read more