7.7.cpp

这是C++的一部分练习程序!对初学者有一定的帮助作用。

#include <iostream.h>
#include <string.h>
struct student
{
	char *name;
	double score[3];
}stu[3]={{"Li",{89,85.5,90}},{"Ma",{89.5,90.5,79}},{"Hu",{88.5,92,81}}};
struct student *find(struct student []);
void main()
{
	struct student *ps;
	ps=find(stu);
	if(ps==0)
		cout<<"error!\n";
	else
		cout<<ps->name<<':'<<(ps->score[0]+ps->score[1]+ps->score[2])/3<<endl;
}
struct student *find(struct student s[])
{
	char name[20];
	cout<<"Enter student's name: ";
	cin>>name;
	for(int i=0;i<3;i++)
		if(strcmp(name,s[i].name)==0)
			return s+i;
	return 0;
}