C++ 入門指南 V2.00 - 單元 14 範例及練習程式碼

encrypt01.h

// 從標準程式庫中引入 string
#include <string>

// 使用 std 中的 string 名稱
using std::string;
 
// 宣告 Encrypt 類別
class Encrypt {
public:
   // 宣告建構函數
   Encrypt();
   // 宣告 setter 與 getter 成員函數
   void set_code_array();
   string get_code_array();
   // 宣告編碼、解碼的成員函數
   string ToEncode(string);
   string ToDecode(string);

private:
   // 密碼表字串
   string code_array;
};
 
/* 檔名: encrypt01.h 
   作者: Kaiching Chang 
   時間: 2014-5 */

exercise1401.cpp

#include <iostream>
 
using namespace std;
 
int main(void) {
   int a[10];
   int i;
    
   for (i = 0; i < 10; i++) {
      a[i] = 9527;
   }
    
   cout << endl;
   for (i = 0; i < 10; i++) {
      cout << a[i] << ", ";
   } 
   cout << endl << endl;
    
   return 0;
}
 
/* 檔名: exercise1401.cpp
   作者: Kaiching Chang 
   時間: 2014-5 */

exercise1402.cpp

#include <iostream>
 
using namespace std;
 
int main(void) {
   char a[26];
   char c = 'a';
   int i;
    
   for (i = 0; i < 26; i++) {
      a[i] = c++;
   }
   
   cout << endl;
   for (i = 0; i < 26; i++) {
      cout << a[i] << ", ";
   } 
   cout << endl << endl;
    
   return 0;
}
 
/* 檔名: exercise1402.cpp
   作者: Kaiching Chang 
   時間: 2014-5 */

exercise1403.cpp

#include <iostream>
 
using namespace std;
 
int main(void) {
   int answer = 1234;
   cout << answer << endl;
}
 
/* 檔名: exercise1403.cpp
   作者: Kaiching Chang 
   時間: 2014-5 */

exercise1404.cpp

#include <iostream>
 
using namespace std;
 
int main(void) {
   int answer = 1234;
   //cout << answer << endl;
   
   int guess;
   cin >> guess;
   
   if (answer == guess) {
      cout << "Right!!" << endl;
   }
   else {
      cout << "Wrong!!" << endl;
   }
}
 
/* 檔名: exercise1404.cpp
   作者: Kaiching Chang 
   時間: 2014-5 */

exercise1405.cpp

#include <iostream>
 
using namespace std;
 
int main(void) {
   int answer = 1234;
   //cout << answer << endl;
   
   int i, j;
   int answer_array[4];
   j = 1000;
   for (i = 0; i < 4; i++) {
      answer_array[i] = answer / j;
      j /= 10;
   }
   
   int guess;
   cin >> guess;
   
   int guess_array[4];
   j = 1000;
   for (i = 0; i < 4; i++) {
      guess_array[i] = guess / j;
      j /= 10;
   }
   
   int number = 0;
   for (i = 0; i < 4; i++) {
      if (guess_array[i] == answer_array[i]) {
         number++;
      }
   }
   
   if (number == 4) {
      cout << "Right!!" << endl;
   }
   else {
      cout << "Wrong!!" << endl;
   }
}
 
/* 檔名: exercise1405.cpp
   作者: Kaiching Chang 
   時間: 2014-5 */

the end