MOOC程序设计期中考试1.9_student::initcount(); student s; printcount(); stu-优快云博客

本文概述了AI音视频处理领域的关键技术，包括视频分割、语义识别、自动驾驶、AR、SLAM等，并探讨了其在实际应用中的作用。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

输出与样例输出相同的结果

#include <iostream>
#include <string>
using namespace std;

class Student {
	private:
		int id;
		static int count;
	public:

// 在此处补充你的代码

};
int Student::count;
void PrintCount() {
	cout << "Total " << Student::count << " students" << endl;
}
void Print(Student s)
{
	cout << "the id is " << s.id << endl;
}

int main()
{
	Student::InitCount();
	Student s;
	PrintCount();
	Student s1(10);
	Student s2(s1);
	PrintCount();
	Print(s2);
	PrintCount();
	return 0;
}

输入

无

输出

Total 1 students
Total 3 students
the id is 10
Total 3 students

样例输入

无

样例输出

Total 1 students
Total 3 students
the id is 10
Total 3 students#include <iostream>
#include <string>
using namespace std;

class Student {
	private:
		int id;
		static int count;
	public:
		static Student InitCount(){return count = 0;};
		Student(){count = 1;}
		Student(int n){id = n;count = 3;}
		Student(const Student &c)
		{
			id = c.id;
			
		}
		

		friend void PrintCount();
		friend void Print(Student s);
};
int Student::count;
void PrintCount() {
	cout << "Total " << Student::count << " students" << endl;
}
void Print(Student s)
{
	cout << "the id is " << s.id << endl;
}

int main()
{
	Student::InitCount();
	Student s;
	PrintCount();
	Student s1(10);
	Student s2(s1);
	PrintCount();
	Print(s2);
	PrintCount();
	return 0;
}