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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7. 	static int liczba_zestawow;
  8.     static ArrayList<Long> wynik = new ArrayList<>();
  9.  
  10.     static private long Pole(String[] wierzcholki) {
  11.  
  12.         long suma = 0;
  13.         for (int i = 0; i <= wierzcholki.length-3; i+=2) {
  14.             suma += (Long.parseLong(wierzcholki[i]) * Long.parseLong(wierzcholki[i+3])) - (Long.parseLong(wierzcholki[i+2]) * Long.parseLong(wierzcholki[i+1]));
  15.         }
  16.         suma += (Long.parseLong(wierzcholki[wierzcholki.length-2]) * Long.parseLong(wierzcholki[1])) - (Long.parseLong(wierzcholki[0]) * Long.parseLong(wierzcholki[wierzcholki.length-1]));
  17.  
  18.         return Math.abs(suma)/2;
  19.     }
  20.  
  21.     static public void main(String args[]) {
  22.         BufferedReader reader =
  23.                 new BufferedReader(new InputStreamReader(System.in));
  24.         try {
  25.             liczba_zestawow = Integer.parseInt(reader.readLine());
  26.         } catch (Exception e) {
  27.             return;
  28.         }
  29.         if (liczba_zestawow < 1 || liczba_zestawow > 20000) {
  30.             return;
  31.         }
  32.  
  33.         String[] str1,str2;
  34.         int k = 0;
  35.         for (int i = 0; i < liczba_zestawow; i++) {
  36.             try {
  37.                 str1 = reader.readLine().split("\\s+");
  38.                 str2 = reader.readLine().split("\\s+");
  39.                 reader.readLine();
  40.             } catch (Exception e) {
  41.                 continue;
  42.             }
  43.             if (str1.length%2 != 0 || str2.length%2 != 0) {
  44.                 continue;
  45.             }
  46.  
  47.             long suma1 = Pole(str1);
  48.             long suma2 = Pole(str2);
  49.  
  50.             wynik.add( ((suma1 * 10) + ((suma2-suma1) * 6)));
  51.         }
  52.  
  53.         wynik.forEach(System.out::println);
  54.     }
  55. }
Success #stdin #stdout 0.06s 32476KB
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https://ideone.com/3VY6qa
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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