Submission #4349779

---

Source Code Expand

import java.util.*;
import java.util.stream.*;
import java.io.*;

public class Main {
  public static void main(String[] args) throws Exception {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    Integer[] inputs = Stream.of(br.readLine().split(" "))
      .map(Integer::parseInt)
      .toArray(Integer[]::new);
    int xa = inputs[0]; int ya = inputs[1];
    int xb = inputs[2]; int yb = inputs[3];
    int xc = inputs[4]; int yc = inputs[5];
    System.out.println((double)Math.abs((xb-xa)*(yc-ya) - (yb-ya)*(xc-xa))/2);
  }
}

Submission Info

Judge Result