c++小题目1

/**************************作者：李云*******************************/
/**************************时间：2017.9.6***************************/
/******输入Num个同学的姓名和英语成绩并排名，用友函数实现************/
#include<iostream>
#include<string>
//#include "StdAfx.h"
using namespace std;
class student
{
	friend int Sort(student s[], int n);
private:
	char name[10];
	int EngScore;
	int ComScore;
public:
	//student(char *pName,int eScore,int cScore)
	//{
	//	strcpy_s(name, pName);
	//	EngScore = eScore;
	//	ComScore = cScore;
	//}
	//student(）{ };
	void setName(char *stuName){ strcpy_s(name, stuName); }
	void setEngScore(int score){ EngScore = score; }
	void setComScore(int score){ ComScore = score; }
	char *getName(){ return name; }
	int getScore(){ return (EngScore + ComScore); }
};
//对象的成绩排序
int Sort(student s[], int n)
{
	int k = 0;
	for (int i = 0; i < n; i++)
	{
		for (int j = i + 1; j < n; j++)
		{
			if (s[i].getScore() < s[j].getScore())
			{
				//如果i的成绩和小于j的成绩和，则交换对象
				student temp;
				temp = s[i];
				s[i] = s[j];
				s[j] = temp;
				k++;
			}
		}
	}
	return k;
}
int main()
{
	int num;
	char cinName[10];
	int cineScore;
	int cincScore;
	cout << "请输入学生人数num=" ;
	cin >> num;
	student A[20];
	for (int i = 0; i < num; i++)
	{
		cout << "请输入第" << i + 1 << "个同学的姓名:";
		cin >> cinName;
		cout << "请输入第" << i + 1 << "个同学的英语成绩:";
		cin >> cineScore;
		cout << "请输入第" << i + 1 << "个同学的计算机成绩:";
		cin >> cincScore;
		A[i].setName(cinName);
		A[i].setEngScore(cineScore);
		A[i].setComScore(cincScore);
	}
	Sort(A, num);
	cout << "按成绩从小到大排序后:" << endl;
	cout << "姓名\t分数" << endl;
	for (int i = 0; i<num; i++)
	{
		cout << A[i].getName() << "\t" << A[i].getScore() << endl;
	}

	return 0;
}