[USACO] Teleportation JAVA

백준 15751

www.acmicpc.net/problem/15751

15751번: Teleportation

import java.util.Scanner;

public class Main {

    // USACO Teleportation  JAVA
    // 백준 15751

    /**
     *
     */

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        int start = sc.nextInt();
        int end = sc.nextInt();
        int x = sc.nextInt();
        int y = sc.nextInt();

        int case1 = Math.abs(end - start);
        int case2 = Math.abs(start-x) + Math.abs(end-y);
        int case3 = Math.abs(start-y) + Math.abs(end-x);

        int answer = Math.min(case1, Math.min(case2, case3));

        System.out.print(answer);

    }//main


}//class