Prelude of a Red Wedding

Problem Number: 
1 857
Type of Problem: 
Single Output Problem
Problem code: 
Problem Category: 
8 Computational Geometry
Problem Description Link: 
https://www.urionlinejudge.com.br/judge/en/problems/view/1857
Flag: 
0
Restrict Problem Hints: 
0
Restrict Problem Inputs: 
0
Problem Id: 
1857