#include 
     
      //#include 
      
       #include 
       
        #include 
        
         typedef struct {    std ::string manufacturer;    int p_year;} Car;typedef Car * CarPtr;/*----------------------- exercise 1 -----------------------------*///int main(void)//{//  using namespace std;// //  int head;//  int tail;//  int sum = 0;////  cout << "Please enter two interger:";//  cin >> head;//    cin >> tail;// //  for (int i = head; i < tail + 1; i++){//      sum += i;  //  }// //  cout << "sum = " << sum << endl; //}/*----------------------- exercise 2 -----------------------------*///int main(void)//{//  using namespace std;////  const int ArSize = 101;//  array
         
           factorials;//  factorials[0] = factorials[1] = 1;////  for (int i = 2; i < ArSize; i++){//      factorials[i] = i * factorials[i - 1];//  }////  for (int i = 0; i < ArSize; i++){//      cout << i << "! = " << factorials[i] << endl;//  }// //  return 0;//}///*----------------------- exercise 3 -----------------------------*///int main(void)//{//  using namespace std;////  cout << "Enter 0 to quit!" << endl;//  cout << "Please enter the numbers : ";////  int num;//  int sum = 0;////  cin >> num;//  while (0 != num){//      sum += num;//      cout << "Sum = " << sum << endl;//      cout << "Please enter the numbers : ";//      cin >> num;//  }//  return 0;//}/*----------------------- exercise 4 -----------------------------*///int main(void)//{//  using namespace std;////  const double ori_deposit_daphne = 100;//  const double ori_deposit_cleo = 100;//  double cur_deposit_daphne = ori_deposit_daphne;//  double cur_deposit_cleo = ori_deposit_cleo;//  double interest_daphne = 0;//  double interest_cleo = 0;//  int year = 0;////  do{//      interest_daphne = ori_deposit_daphne * 0.1;//      interest_cleo = cur_deposit_cleo * 0.05;//      cur_deposit_daphne += interest_daphne;//      cur_deposit_cleo += interest_cleo;//      year++;//  }while (cur_deposit_cleo <= cur_deposit_daphne);////  cout << year << " Years later Cleo's income surpass Daphne's income" << endl;//  cout << "Deposit of Daphne is " << cur_deposit_daphne << endl;//  cout << "Deposit of Cleo is " << cur_deposit_cleo << endl;//  return 0;//}/*----------------------- exercise 5 -----------------------------*///int main(void)//{//  using namespace std;////  const string mounth[12] = {"January", "February", "March", "April", "May", "June",//                             "July", "August", "September", "October", "November", "December"};//  int sales[12];//  int TotalSales = 0;////  for (int i = 0; i < 12; i++){//      cout << mounth[i] << "'s sales is : ";//      cin >> sales[i];//      TotalSales += sales[i];//  }// //  cout << "Total sales are : " << TotalSales << endl;//  return 0;//}/*----------------------- exercise 7 -----------------------------*///int main(void)//{//  using namespace std;////  cout << "How many cars do you wish to catalog ? ";////  int c_cars;// //  cin >> c_cars;//  cin.get();//  CarPtr car = new Car [c_cars];////  int num = 1;//  while (c_cars > 0){//      cout << "\"Car #" << num << '\"' << endl;//      cout << "Please enter the make: ";//      getline(cin, car[num-1].manufacturer);//      cout << "Please enter the year made :";//      cin >> car[num-1].p_year;//      cin.get();//      num++;//      c_cars--;//  }////  cout << car[0].manufacturer << car[0].p_year << endl; //  cout << car[1].manufacturer << car[1].p_year << endl; //  delete [] car;// //  return 0;//}/*----------------------- exercise 8 -----------------------------*///int main(void)//{//  using namespace std;////  char word[20];//  int c_word = 0;////  cout << "Enter words(to stop,type the word done):" << endl;////  while ((cin >> word) && strcmp(word, "done")){//      c_word++;//  }// //  cout << "You entered a total of " << c_word << " words" << endl;//  return 0;//}/*----------------------- exercise 9 -----------------------------*///int main(void)//{//  using namespace std;////  string word;//  int c_word = 0;////  cout << "Enter words(to stop,type the word done):" << endl;////  while ((cin >> word) && (word != "done")){//      c_word++;//  }////  cout << "You entered a total of " << c_word << " words" << endl;//  return 0;//}/*----------------------- exercise 10 -----------------------------*///int main(void)//{//  using namespace std;////  int c_row;//  int cur_row;////  cout << "Enter number of rows: ";//  cin >> c_row;////  for (cur_row = 1; cur_row <= c_row; cur_row++){//      for (int i = 0; i < c_row - cur_row; i++){//          cout << '.';//      }////      for (int i= 0; i < cur_row; i++){//          cout << '*';//      }////      cout << endl;//  }////  return 0;//}
         
        
       
      
     

水平有限，若有错误之处还请指教，谢谢！