实验任务5
1 #include <iostream> 2 #include <string> 3 using namespace std; 4 class TextCoder 5 { 6 public: 7 TextCoder() = default; 8 TextCoder(string str); 9 string get_ciphertext(); 10 string get_deciphertext(); 11 ~TextCoder() = default; 12 13 private: 14 string text; 15 void encoder(); 16 void decoder(); 17 }; 18 TextCoder::TextCoder(string str) 19 { 20 text = str; 21 } 22 string TextCoder::get_ciphertext() 23 { 24 encoder(); 25 return text; 26 } 27 string TextCoder::get_deciphertext() 28 { 29 decoder(); 30 return text; 31 } 32 void TextCoder::encoder() 33 { 34 for (int i = 0; i < text.length(); i++) 35 { 36 if (islower(text[i])) 37 { 38 text[i] = (text[i] - 'a' + 7) % 26 + 'a'; 39 } 40 else if (isupper(text[i])) 41 { 42 text[i] = (text[i] - 'A' + 7) % 26 + 'A'; 43 } 44 } 45 } 46 void TextCoder::decoder() 47 { 48 for (int i = 0; i < text.length(); i++) 49 { 50 if (islower(text[i])) { 51 text[i] = (text[i] - 'a' + 26 - 7) % 26 + 'a'; 52 } 53 else if (isupper(text[i])) 54 { 55 text[i] = (text[i] - 'A' + 26 - 7) % 26 + 'A'; 56 } 57 } 58 }
1 #include "textcoder.hpp" 2 #include <iostream> 3 #include <string> 4 5 void test() 6 { 7 using namespace std; 8 string text, encoded_text, decoded_text; 9 cout << "输入英文文本: "; 10 while (getline(cin, text)) 11 { 12 encoded_text = TextCoder(text).get_ciphertext(); 13 cout << "加密后英文文本:\t" << encoded_text << endl; 14 15 decoded_text = TextCoder(encoded_text).get_deciphertext(); 16 cout << "解密后英文文本:\t" << decoded_text << endl; 17 cout << "\n输入英文文本: "; 18 } 19 } 20 21 int main() 22 { 23 test(); 24 }
实验任务6
1 #pragma once 2 #include <iostream> 3 #include <string> 4 using namespace std; 5 class Info 6 { 7 private: 8 string nickname; 9 string contact; 10 string city; 11 int n; 12 public: 13 Info(const string& nickname, const string& contact, const string& city, const int& n); 14 void print() const; 15 }; 16 17 Info::Info(const string& nickname, const string& contact, const string& city, const int& n): nickname{nickname}, contact{contact}, city{city}, n{n} { 18 } 19 20 void Info::print() const { 21 cout << "昵称:\t\t" << nickname << endl; 22 cout << "联系方式:\t" << contact << endl; 23 cout << "所在城市:\t" << city << endl; 24 cout << "预定人数:\t" << n << endl; 25 }
1 #include"Iofo.hpp" 2 #include<iostream> 3 #include<string> 4 #include<vector> 5 const int capacity = 100; 6 int main() 7 { 8 vector<Info> audience_info_list; 9 cout << "录入信息:" << endl; 10 cout << endl; 11 cout << "昵称 联系方式(邮箱/手机号) 所在城市 预定参加人数 " << endl; 12 char a; 13 int b=0; 14 string name, contact, city; 15 int n; 16 while(cin >> name >> contact >> city >> n) 17 { 18 b+=n; 19 20 if(b > capacity) 21 { 22 b-=n; 23 cout << "对不起,只剩" << capacity-b << "个位置" << endl; 24 cout << "1.输入u,更新(update)预定信息" << endl 25 << "2.输入q, 退出预定" << endl 26 <<"你的选择: "; 27 cin >> a; 28 29 if(a=='u') 30 { 31 cin >> name >> contact >> city >> n; 32 Info a(name,contact,city,n); 33 audience_info_list.push_back(a); 34 b+=n; 35 } 36 else 37 break; 38 } 39 else audience_info_list.push_back(Info(name, contact, city, n)); 40 } 41 cout << endl; 42 cout << "截至目前,一共有" << b << "位听众预定参加。预定听众信息如下:" << endl; 43 for(auto &Info:audience_info_list) 44 { 45 Info.print(); 46 } 47 }