Author: Arun Kumar
Tester: Ashank Vashisht
Editorialist: Arun Kumar
CONTEST LINK:
https://www.codechef.com/RVEN2017
PROBLEM LINK:
https://www.codechef.com/RVEN2017/problems/RE05
DIFFICULTY:
SIMPLE
PROBLEM:
Finding the problem is the first task based on the input, output format and exe file provided. Then think the logic and code the same.
QUICK EXPLANATION:
The task in this problem is to print difference between sum of squares of n natural numbers and square of sum of n natural numbers, where n is number input by user.
EXPLANATION:
After having number of test cases as input, each test is to be inputted and processed. Each test case contains a number (n). Sum of squares of numbers can be calculated by n(n+1)(2n+1)/6. Square of sum of n natural numbers can be calculated by (n(n+1)/2)^2
AUTHOR’S SOLUTIONS:
Author’s solution can be found here
Exe File:
Exe file for problem can be found here