[JAVA] 백준 1002번 - 터렛

 

 

 

<코드>

import java.util.*;
public class Main {
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int T = sc.nextInt();
		for (int i = 0; i < T; i++) {
			double x1 = sc.nextDouble();
			double y1 = sc.nextDouble();
			double r1 = sc.nextDouble();
			double x2 = sc.nextDouble();
			double y2 = sc.nextDouble();
			double r2 = sc.nextDouble();
			
			double d = Math.sqrt(Math.pow(x1-x2, 2)+Math.pow(y1-y2, 2));
			
			if(r1+r2 < d) {
				System.out.println(0);
			} else if (r1+r2 == d) {
				System.out.println(1);
			} else if (r1+r2 > d) {
				if(Math.abs(r1-r2) < d) {
					System.out.println(2);
				} else if (Math.abs(r1-r2) == d) {
					if(d == 0) {
						System.out.println(-1);
					} else {
						System.out.println(1);
					}
				} else if (Math.abs(r1-r2) > d) {
					if(r1-r2 == 0 & d == 0) {
						System.out.println(-1);
					}else {
						System.out.println(0);
					}
				}
			}
		}
	}
}

 

 

https://www.acmicpc.net/problem/1002

1002번: 터렛