zoukankan      html  css  js  c++  java
  • C++ array container reverse_iterator rbegin rend

    #include <iostream>
    #include <uuid/uuid.h>
    #include <time.h>
    #include <array>
    #include <iterator>
    #include <ctime>
    #include <random>
    #include <algorithm>
    
    using namespace std;
    
    void random3();
    
    int main()
    {
        random3();
        return 0;
    }
    
    void random3()
    {
        srand(time(nullptr));
        array<int, 100> arr;
        int len = arr.size();
        for (int i = 0; i < len; i++)
        {
            arr[i] = rand()%10000;
        }
    
        cout << "\n\nBefore sorting!" << endl;
        for (int i = 0; i < len; i++)
        {
            cout << arr[i] << "\t";
        }
    
        cout << endl<<endl;
        std::sort(arr.begin(), arr.end());
        cout<<"\nAftrer sort ascendingly output"<<endl;
        array<int,100>::iterator itr2=arr.begin();
        while(itr2!=arr.end())
        {
            cout<<*itr2<<"\t";
            ++itr2;
        }
        cout<<endl<<endl;
        cout << "\nAfter sort descendingly" << endl;
        array<int,100>::reverse_iterator itr=arr.rbegin();
        while(itr!=arr.rend())
        {
            cout<<*itr<<"\t";
            itr++;
        }
        cout<<endl<<endl;
    }

    Compile as below command

    g++ -g -std=c++2a -I. h1.cpp -o h1 -luuid

    Run ./h1

  • 相关阅读:
    类与对象
    类的声明与实例化
    面向对象的基本概念
    css下拉导航栏代码
    面向对象的三大特性
    面向对象三大基本特性,五大基本原则
    dom事件
    PHP 流程
    权限 查找
    留言板案例
  • 原文地址:https://www.cnblogs.com/Fred1987/p/15686309.html
Copyright © 2011-2022 走看看