实验五:
Info.hpp:
#include <iostream> #include <string> using namespace std; class Info{ public: Info(string a=" ",string b=" ",string c=" ",int d=0):nickname(a),contact(b),city(c),n(d){} ~Info(){} void print(); private: string nickname; string contact; string city; int n; }; void Info::print(){ cout<<"称呼:"<<nickname<<endl; cout<<"联系方式:"<<contact<<endl; cout<<"所在城市:"<<city<<endl; cout<<"预定人数:"<<n<<endl; }
task5.cpp:
#include <iostream> #include "Info.hpp" #include <vector> #include <string> using namespace std; int main() { int i=0,count=0; string a,b,c; int time=0; int m; cout<<"录入信息:"<<endl; cout<<"\n"; 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; const int capacity=100; vector<Info>audience_info_list; while(cin>>a) { if(a=="cz") break; cin>>b>>c>>m; if(count+m>capacity) { cout<<"对不起,只剩"<<capacity-count<<"个位置"<<endl; cout<<"1.输入u,更新(update)预定信息"<<endl; cout<<"2.输入q,退出预定"<<endl; cout<<"你的选择:"<<endl; char ch; cin>>ch; if(ch=='u') { audience_info_list.pop_back(); continue; } if(ch=='q') break; } audience_info_list.push_back(Info(a,b,c,m)); time++; count=count+m; } cout<<"截至目前,一共有"<<count<<"位听众预定参加,"<<"预定听众信息如下:"<<endl; for(auto it=audience_info_list.begin();it!=audience_info_list.end();++it) (*it).print(); }
实验结果:
实验六:
textcoder.hpp:
#include <iostream> #include <string> using namespace std; class TextCoder{ public: TextCoder(string a):text(a){} ~TextCoder(){} string encoder(); string decoder(); private: string text; }; string TextCoder::encoder(){ int i; for(i=0;i<text.size();i++) { if(text[i]>=97&&text[i]<=117) text[i]=text[i]+5; else if(text[i]>117&&text[i]<=122) text[i]=text[i]-21; else if(text[i]>=65&&text[i]<=85) text[i]=text[i]+5; else if(text[i]>86&&text[i]<=90) text[i]=text[i]-21; else text[i]=text[i]; } return text; } string TextCoder::decoder(){ int i; for(i=0;i<text.size();i++) { if(text[i]>=102&&text[i]<=122) text[i]=text[i]-5; else if(text[i]>=97&&text[i]<102) text[i]=text[i]+21; else if(text[i]>=70&&text[i]<=90) text[i]=text[i]-5; else if(text[i]>65&&text[i]<70) text[i]=text[i]+21; else text[i]=text[i]; } return text; }
task6.cpp:
#include "textcoder.hpp" #include <iostream> #include <string> 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(); cout<<"加密后英文文本:\t"<<encoded_text<<endl; decoded_text=TextCoder(encoded_text).decoder(); cout<<"解密后英文文本:\t"<<decoded_text<<endl; cout<<"\n输入英文文本:"; } }
实验结果: