题解 | #牛牛的线段#
牛牛的线段
http://www.nowcoder.com/practice/f72c56ed71664af082c921bf79861c85
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int x1=sc.nextInt();
int y1=sc.nextInt();
int x2=sc.nextInt();
int y2=sc.nextInt();
System.out.println((int)(Math.pow((x1-x2),2)+Math.pow((y1-y2),2)));
}
}
