5.实验任务5

Info.hpp文件源码

#ifndef INFO_HPP_INCLUDED
#define INFO_HPP_INCLUDED
#include<iostream>
#include<string>

using namespace std;

class Info{
private:
    string nickname;
    string contact;
    string city;
    int n;
public:
    Info(string a,string b,string c,int d):    nickname{a},contact{b},city{c},n(d){}
    print();
};
Info::print()
{
    cout<<"称呼\t\t"<<nickname<<endl;
    cout<<"联系方式"<<"\t"<<contact<<endl;
    cout<<"所在城市"<<"\t"<<city<<endl;
    cout<<"预定人数"<<"\t"<<n<<endl;
}


#endif // INFO_HPP_INCLUDED

task5.cpp源码

#include<iostream>
#include<string>
#include<vector>
#include"Info.hpp"
using namespace std;

int main()
{
    int sum=0;
    const int capacity=100;
    vector<Info> audience_info_list;
    string a,b,c;
    int d;
    cout<<"录入信息"<<endl<<endl;
    cout<<"称呼/昵称，联系方式(邮箱/手机号)，所在城市，预定参加人数"<<endl;
    while(cin>>a>>b>>c>>d)
    {
        sum+=d;
        if(sum<capacity)
        {
            audience_info_list.push_back(Info(a,b,c,d));
        }
        else
        {
            sum-=d;
            cout<<"对不起，只剩"<<capacity-sum<<"个位置."<<endl;
            cout<<"输入u，更新(update)预定信息"<<endl;
            cout<<"输入q，退出预定"<<endl;
            string x;
            cin>>x;
            if(x=="u")
               continue;
            else
               break;
        }
    }
    cout<<endl<<"截至目前，一共有"<<sum<<"位听众预定参加，预定听众信息如下："<<endl;
    for(auto t=audience_info_list.begin();t!=audience_info_list.end();++t)
       (*t).print();
}

运行测试结果截图

 6.实验任务6

TextCoder.hpp文件源码

#ifndef TEXTCODER_HPP_INCLUDED
#define TEXTCODER_HPP_INCLUDED
#include <iostream>
#include <string>
using namespace std;
class TextCoder
{
public:
   TextCoder(string a):text{a}{}
   string encoder();
   string decoder();
private:
   string text;
};
string TextCoder::encoder(){
    for(auto i=0;i<text.length();++i)
    {
        if (text.at(i)>='a'&&text.at(i)<='u'||text.at(i)>='A'&&text.at(i)<='U')
            text.at(i)+= 5;
        else if (text.at(i)>='v'&&text.at(i)<='z'||text.at(i)>='V'&&text.at(i)<='Z')
            text.at(i)-=21;
    }
    return text;
}
string TextCoder::decoder(){
    for(auto i=0;i<text.length();++i)
    {
        if (text.at(i)>='f'&&text.at(i)<='z'||text.at(i)>='F'&&text.at(i)<='Z')
            text.at(i)-= 5;
        else if (text.at(i)>='a'&&text.at(i)<='e'||text.at(i)>='A'&&text.at(i)<='E')
            text.at(i)+=21;
    }
    return text;
}



#endif // TEXTCODER_HPP_INCLUDED

task6.cpp源码

#include <iostream>
#include<string>
#include"../TextCoder.hpp"
using namespace std;

int main()
{
    using namespace std;

    string text, encoded_text, decoded_text;

    cout << "输入英文文本: ";
    while (getline(cin, text))
    {
        encoded_text = TextCoder(text).encoder();  // 这里使用的是临时无名对象
        cout << "加密后英文文本:\t" << encoded_text << endl;

        decoded_text = TextCoder(encoded_text).decoder(); // 这里使用的是临时无名对象
        cout << "解密后英文文本:\t" << decoded_text << endl;
        cout << "\n输入英文文本: ";
    }
}

运行测试结果截图