Too edgy
Problem
You are given an integer N. You need to print the number of diagonals of a polygon having N vertices.
Input Format
- The first and only line contains a single Integer N
Output Format
- Print the number of diagonals of a polygon having N vertices
Constraints
\(3 \le N \le 10000\)
Time Limit: 1
Memory Limit: 256
Source Limit:
Explanation
A quadrilateral is the polygon having 4 vertices, and as we know, a quadrilateral has two diagonals.
Contributers:
Yusuf Kharodawala
