NOIP模拟测试17&18 17-T1 给定一个序列,选取其中一个闭区间,使得其中每个元素可以在重新排列后成为一个等比数列的子序列,问区间最长是? 特判比值为1的情况,预处理比值2~1000的幂,存map里.接下来枚举左端点,算出比值,枚举右端点,用平衡树便携判断某个数是否已经在区间内出现过. #include<bits/stdc++.h> using namespace std; inline long long read() { long long x=0,fh=1; char c…
1. 准备一个待测试的类 package com.example.Service; public class PersonService { public void save(String userName) { String sub = userName.substring(5); } public int add(int a,int b) { return a+b; } } 2.新建一个单元测试项目,选项“Android Test Project” ,选择要测试的项目 新建一个测试用例的类,…
Network Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 14721 Accepted: 5777 Special Judge Description Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the company…