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  1. import java.math.BigDecimal;
  2. import java.math.BigInteger;
  3. import java.util.ArrayList;
  4. import java.util.Scanner;
  5.  
  6. class RysunkiBajtelka
  7. {
  8.     public static void main(String[] args)
  9.     {
  10.         Scanner in = new Scanner(System.in);
  11.         BigInteger n = in.nextBigInteger();
  12.         ArrayList<Long> x1 = new ArrayList<>();
  13.         ArrayList<Long> y1 = new ArrayList<>();
  14.         ArrayList<Long> x2 = new ArrayList<>();
  15.         ArrayList<Long> y2 = new ArrayList<>();
  16.         for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE))
  17.         {
  18.             x1.add(in.nextLong());
  19.             y1.add(in.nextLong());
  20.             do
  21.             {
  22.                 x1.add(in.nextLong());
  23.                 y1.add(in.nextLong());
  24.             }
  25.             while (x1.get(0) != x1.get(x1.size() - 1) || y1.get(0) != y1.get(y1.size() - 1));
  26.             x2.add(in.nextLong());
  27.             y2.add(in.nextLong());
  28.             do
  29.             {
  30.                 x2.add(in.nextLong());
  31.                 y2.add(in.nextLong());
  32.             }
  33.             while (x2.get(0) != x2.get(x2.size() - 1) || y2.get(0) != y2.get(y2.size() - 1));
  34.             BigDecimal blackArea = calculateArea(x1, y1);
  35.             BigDecimal grayArea = calculateArea(x2, y2);
  36.             BigDecimal temp = blackArea.multiply(BigDecimal.TEN).add(grayArea.subtract(blackArea).multiply(BigDecimal.valueOf(6)));
  37.             BigInteger answer = temp.toBigInteger();
  38.             System.out.println(answer);
  39.             x1.clear();
  40.             y1.clear();
  41.             x2.clear();
  42.             y2.clear();
  43.         }
  44.     }
  45.  
  46.     public static BigDecimal calculateArea(ArrayList<Long> x, ArrayList<Long> y)
  47.     {
  48.         BigDecimal result = BigDecimal.ZERO;
  49.         for (int i = 0; i < (x.size() - 1); i++)
  50.             result = result.add(BigDecimal.valueOf(x.get(i) * y.get(i + 1) - x.get(i + 1) * y.get(i)));
  51.         return result.divide(BigDecimal.valueOf(2));
  52.     }
  53. }
Runtime error #stdin #stdout #stderr 0.07s 2184192KB
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stdin
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121 131 141 151 161 171 121 131
stdout
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Standard output is empty
stderr
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Exception in thread "main" java.util.NoSuchElementException
	at java.util.Scanner.throwFor(Scanner.java:862)
	at java.util.Scanner.next(Scanner.java:1485)
	at java.util.Scanner.nextLong(Scanner.java:2222)
	at java.util.Scanner.nextLong(Scanner.java:2182)
	at RysunkiBajtelka.main(Main.java:22)
https://ideone.com/IsySwt
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
secret

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