C++ 入門指南 V2.00 - 單元 25 範例及練習程式碼



main.cpp


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#include "gamewindow.h"
#include <QApplication>
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    GameWindow w;
    w.show();
 
    return a.exec();
}

encryptwindow.h


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#ifndef ENCRYPTWINDOW_H
#define ENCRYPTWINDOW_H
 
#include <QMainWindow>
 
namespace Ui {
class EncryptWindow;
}
 
class EncryptWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    explicit EncryptWindow(QWidget *parent = 0);
    ~EncryptWindow();
 
private:
    Ui::EncryptWindow *ui;
};
 
#endif // ENCRYPTWINDOW_H

exercise2501.h


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#include <string>
 
using namespace std;
 
// 宣告 GuessGame 類別
class GuessGame {
public:
   // 宣告建構函數
   GuessGame(int);
   // 存取函數與修改函數
   void set_game();
   string get_answer();
   int get_times();
   int get_a();
   int get_b();
   // 工具函數
   bool FindNumber(string, int, char);
   void ABCounter(string, string);
   // 命令列遊戲版本
   void Run();
  
private:
   // 資料成員區
   string answer;
   int length;
   string guess;
   int a;
   int b;
   int times;
 
};
 
/* 檔名: exercise2501.h
   作者: Kaiching Chang
   時間: 2014-5 */

exercise2501.cpp


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#include <cstdlib>
#include <ctime>
#include <algorithm>
#include <iostream>
 
#include "exercise2501.h"
 
int myrandom(int i) {
   return rand() % i;
}
 
GuessGame::GuessGame(int digit) {
   if (digit < 3 || digit > 6) {
      length = 4;
   }
   else {
      length = digit;
   }
    
   set_game();
}
 
void GuessGame::set_game() {
   srand(time(0));
 
   string result = "0123456789";
   while (true) {
      random_shuffle(result.begin(), result.end(), myrandom);
       
      if (result.at(0) != '0') {
         break;
      }
   }
     
   answer = result.substr(0, length);
   times = 0;
   a = 0;
   b = 0;
}
 
string GuessGame::get_answer() {
   return answer;
}
 
int GuessGame::get_times() {
   return times;
}
 
int GuessGame::get_a() {
   return a;
}
 
int GuessGame::get_b() {
   return b;
}
 
int main() {
   GuessGame g(4);
   cout << g.get_answer() << endl;
    
   return 0;
}
 
/* 檔名: exercise2501.cpp
   作者: Kaiching Chang
   時間: 2014-5 */

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