Aizu Online Judge 0166 Area of Polygon

■0166 Area of Polygon

中心角θの三角形の面積は，2sin(θ/2)

import java.util.*;
import java.lang.*;
import java.math.*;
import java.io.*;

import static java.lang.Math.*;
import static java.util.Arrays.*;

public class Main{

 Scanner sc=new Scanner(System.in);

 int INF=1<<28;
 double EPS=1e-9;

 void run(){
  for(;;){
   double[] area=new double[2];
   for(int j=0; j<2; j++){
    int m=sc.nextInt();
    if(m==0){
     return;
    }
    int sum=0;
    for(int i=0; i<m-1; i++){
     int deg=sc.nextInt();
     area[j]+=Math.sin(Math.toRadians(deg/2))*2;
     sum+=deg;
    }
    area[j]+=Math.sin(Math.toRadians(360-sum))/2;
   }
   if(area[0]>area[1]+EPS){
    println("1");
   }else if(area[0]+EPS<area[1]){
    println("2");
   }else{
    println("0");
   }
  }
 }

 void debug(Object... os){
  System.err.println(Arrays.deepToString(os));
 }

 void print(String s){
  System.out.print(s);
 }

 void println(String s){
  System.out.println(s);
 }

 public static void main(String[] args){
  // System.setOut(new PrintStream(new BufferedOutputStream(System.out)));
  new Main().run();
 }
}