[백준 Java] 기하: 직사각형과 삼각형 - 9063번: 대지

 

 

import java.io.*;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        int N = Integer.parseInt(br.readLine());
        int[] A = new int[N];
        int[] B = new int[N];

        for(int i = 0; i < N; i++) {
            StringTokenizer st = new StringTokenizer(br.readLine());
            A[i] = Integer.parseInt(st.nextToken());
            B[i] = Integer.parseInt(st.nextToken());
        }

        Arrays.sort(A);
        Arrays.sort(B);

        bw.write(String.valueOf((A[N - 1] - A[0]) * (B[N - 1] - B[0])));

        br.close();
        bw.flush();
        bw.close();
    }
}