5_42.cpp

几个C++程序设计实例

# include<iostream.h>
#include <iomanip.h>
# include<string.h>
struct date
{
	int year; int month; int day;
};
struct address
{
	char name[10]; char sex;char tel[12]; date birthday;
};
void input(address myfriend[],int &n)
{
	int i=0;
	char name[10];
	cout<<"Input my friends'name ,with'#' to end:"<<endl;
	cin>>name;
	while (strcmp(name,"#")!=0)
	{
		strcpy(myfriend[i].name,name);
		cout<<"Continue to input my friends'sex(F/M),tel and birthday:"<<endl;
        cin>>myfriend[i].sex;
		cin>>myfriend[i].tel;
		cin>>myfriend[i].birthday.year>>myfriend[i].birthday.month>>
myfriend[i].birthday.day;
		i++;
		cout<<"\n input name,with'#' to end:"<<endl;
		cin>>name;
	}
	n=i;
}
void output(address myfriend[],int n)
{
	int i;
	cout<<setw(11)<<"name"<<setw(5)<<"sex"<<setw(10)<<"telNO."
<<setw(16)<<"birthday"<<endl;
	for(i=0;i<n;i++)
	{
		cout<<setw(11)<<myfriend[i].name<<setw(4)<<myfriend[i].sex<<setw(16)
<<myfriend[i].tel<<"  ";
		cout<<setw(5)<<myfriend[i].birthday.year;
        cout<<setw(3)<<myfriend[i].birthday.month<<"  ";
		cout<<setw(3)<<myfriend[i].birthday.day<<endl;
	}
	cout<<endl;
}
int find(address myfriend[],int n,char findname[])
{
	int i;
	for (i=0;i<n;i++)
		if(strcmp(myfriend[i].name,findname)==0)
			return i;
		return -1;
}
void main()
{
	address myfriend[50];
	int n;
	int index;
	char findname[10];
	input(myfriend,n);
	output(myfriend,n);
	cout<<"find name?";
	cin>>findname;
	index=find(myfriend,n,findname);
	if(index==-1)
		cout<<" NO find!"<<endl;
	else
	{
		cout<<endl;
	       cout<<setw(11)<<"name"<<setw(5)<<"sex"<<setw(10)<<"telNO."
<<setw(16)<<"birthday"<<endl;
        cout<<setw(11)<<myfriend[index].name<<setw(4)<<myfriend[index].sex
<<setw(16)<<myfriend[index].tel<<"  ";
		cout<<setw(5)<<myfriend[index].birthday.year;
        cout<<setw(3)<<myfriend[index].birthday.month;
		cout<<setw(3)<<myfriend[index].birthday.day<<endl;
	}
}