#include<iostream> #include<cstring> #include<cstdio> #include<algorithm> using namespace std; int s,n; int op; ; int c[maxn]; struct SS { int lowbit(int x) { return x&(-x); } void add(int x,int w) { for(;x<=n;x+=lowbit(x))…
Find the answer Time Limit: 4000/4000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 0 Accepted Submission(s): 0 Problem Description Given a sequence of n integers called W and an integer m. For each i (1 <= i <= n),…
今天在家看了一下linq,实践了一下书中代码,发现排序和查重的先后顺序太重要了. using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace LinqLearning { class Program { private static int[] GenerateLotsOfNumbers(int count) { Random generator = ); int[…
MongoDB的基本操作包括文档的创建.删除.和更新 文档插入 1.插入 #查看当前都有哪些数据库 > show dbs; local 0.000GB tim 0.000GB #使用 tim数据库 > use tim; switched to db tim #查看都有哪些集合 > show collections; user > db.user.in db.user.initializeOrderedBulkOp( db.user.insert( db.user.insertOne…