Adam’s Charity
Adam decides to be generous and do some charity. starting today, from day 1 until day n, he gives i^2 coins to charity on day ‘i’ (1<=i<=n).
return the total coins he would give to charity.
Input specification:
Input 1: number of days of Charity.
Output Specification:
Return the total number of coins till charity days.
Example 1:
Input 1: 2
Output: 5
Explanation:
There are 2 days.
Example 2:
Input 1: 3
Output: 14
Explanation:
There are 3 days.
Solution in Python 3:
Solution in C++ :
Solution in C :
