hdu1721

将E、H、G、F点上的粒子数转移到F点,等于F-G-E+H;
将A、B、C、D点上的粒子数转移到B点,等于B-C-A+D,判断这两是否相等就好。
import java.util.Scanner; public class hud1721 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (sc.hasNext()){ int a = sc.nextInt(); if (a==-1){ break; } int b = sc.nextInt(); int c = sc.nextInt(); int d = sc.nextInt(); int e = sc.nextInt(); int f = sc.nextInt(); int g = sc.nextInt(); int h = sc.nextInt(); if ((f-g-e+h)==(b-c-a+d)){ System.out.println("All the seeds can be cleared away!"); }else{ System.out.println("Sorry,it can't be cleared away!"); } } } }