1553. Caves and Tunnels Time limit: 3.0 second Memory limit: 64 MB After landing on Mars surface, scientists found a strange system of caves connected by tunnels. So they began to research it using remote controlled robots. It was found out that ther
Journey Time Limit: 15000/3000MS (Java/Others) Memory Limit: 65535/65535KB (Java/Others) Bob has traveled to byteland, he find the N cities in byteland formed a tree structure, a tree structure is very special structure, there is exactly one path
import java.util.Scanner; public class TestObject { public static void main(String[] args) { // TODO Auto-generated method stub Scanner in = new Scanner(System.in); System.out.println("请输入第一个坐标点:"); int x1 = i
1553. Caves and Tunnels Time limit: 3.0 second Memory limit: 64 MB After landing on Mars surface, scientists found a strange system of caves connected by tunnels. So they began to research it using remote controlled robots. It was found out that ther