[C++ Primer Plus第六版]第5章

1.

#include<iostream>
using namespace std;
int main()
{
	int n,m;
	n = m = 0;
	int total = 0;
	cin >> n >> m ;
	for(int i = n; i <= m; i++)
		total += i;
	cout << n <<endl;
	cout << m << endl;
	cout << total <<endl;
	return 0;
}

3.

#include<iostream>
using namespace std;
int main()
{
	int n;
	n = 0;
	int total = 0;
	cin >> n;
	while(n != 0)
	{
		total += n;
		cout << total <<endl;
		cin >> n;
	}
	return 0;
}

5.

#include<iostream>
#include<string>
using namespace std;
int main()
{
	char* month[12];
	int num[12];
	for(int i = 0; i < 12; i++)
	{
		cin >> month[i];
		cin >> num[i];
	}
	for( i = 0; i < 12; i++)
	{
		cout << month[i] << ": " << num[i]<<endl;
	}
	return 0;
}

6.

#include<iostream>
using namespace std;
int main()
{
	int num[3][12];
	int year = 0;
	int year3 = 0;
	for(int i = 0; i < 3; i++)
		for(int j = 0; j < 12; j++)
			cin >> num[i][j];
	for(i = 0; i < 3; i++)
	{
		for(int j = 0; j < 12; j++)
		{
			year += num[i][j];
		}
		cout << year <<endl;
		year3 += year;
	}	
	cout << year3 <<endl;
	return 0;
}

7.

#include <iostream>  
#include <string>  
using namespace std;  
struct car{  
    string name;  
    int year;  
  
};  
void get(car *);  
void show(const car const *);  
  
void main57()  
{  
    cout<<"How many cars do your wish to catalog?";  
    int num;  
    cin>>num;  
    car *c=new car[num];  
    for(int i=0;i<num;i++,c++)  
    {  
        cout<<"Car #"<<i+1<<":"<<endl;  
        get(c);  
        show(c);  
      
    }  
    cin.get();  
}  
void get(car *c)  
{  
    cin.get();  
    cout<<"Please enter the make:";  
    string name;  
    getline(cin,name);  
    cout<<"\nplease enter the years of make:";  
    int y;  
    cin>>y;  
    c->name=name;  
    c->year=y;  
      
}  
  
void show(const car const *c)  
{  
    cout<<"/nHere is your collection: ";  
    cout<<c->year<<"  "<<c->name<<endl;  
}