摘要：题目描述 You are given an integer sequence of length N, a= {a1,a2,…,aN}, and an integer K.a has N(N+1)⁄2 non-empty contiguous subsequences, {al,al+1,…,ar} 阅读全文

摘要：题目描述 JSZKC is going to spend his vacation! His vacation has N days. Each day, he can choose a T-shirt to wear. Obviously, he doesn’t want to wear a si 阅读全文

摘要：一、基本程序框架 import java.util.Scanner;//明确导入——导入指定的类(从包 java.util中导入Scanner类) import java.util.*;//通配符导入——导入一个包(java.util)中的所有类 public class JavaStudy {// 阅读全文