摘要：
1.结构体排序 import java.util.*; public class Main { static class Node{ //内部静态类 String s; int x; } static class compareTo implements Comparator<Node>{ //升序 阅读全文
摘要：
John Little John is playing very funny game with his younger brother. There is one big box filled with M&Ms of different colors. At first John has to 阅读全文