Bài viết sưu tầm

#include<iostream>

#include<string>

using namespace std;

class hocsinh{

   private:

     string ten;

     string lop;

     float toan, ly,hoa,dtb;

   public:

     hocsinh(string ht=" ", string lh=" ",float t=0, float l=0, float h=0);

     void nhap();

     void xuat();

     void dtbhon5();

};

hocsinh::hocsinh(string ht, string lh, float t, float l, float h){

     this->ten=ht;

     this->lop=lh;

     this->toan=t;

     this->ly=l;

     this->hoa=h;

}

void hocsinh::nhap(){

   cout<<"Nhap ho ten: "; getline(cin,ten);

   cout<<"Nhap ten lop: ";getline(cin,lop);

   cout<<"Nhap diem toan: ",cin>>toan;

   cout<<"Nhap diem ly: ";cin>>ly;

   cout<<"Nhap diem hoa: ";cin>>hoa;

   dtb=(toan+ly+hoa)/3;

}

void hocsinh::xuat(){

  cout<<"Hoc sinh: "<<ten<<" Lop: "<<lop<<" ";

  cout<<"Diem toan: "<<toan<<" Diem ly: "<<ly;

  cout<<" Diem hoa: "<<hoa<<" DTB: "<<dtb<<endl;

}

void hocsinh::dtbhon5(){

   if(dtb>=5){

     cout<<"Hoc sinh: "<<ten<<" Lop: "<<lop<<" ";

     cout<<"Diem toan: "<<toan<<" Diem ly: "<<ly;

     cout<<" Diem hoa: "<<hoa<<" DTB: "<<dtb<<endl;

   }

}

int main(){

int n;

hocsinh *hs;

cout<<"Nhap danh sach hoc sinh: ";cin>>n;

hs=new hocsinh[n];

for(int i=0;i<n;i++)

hs[i].nhap();

cout<<endl<<"Danh sach hoc sinh :"<<endl;

for(int i=0;i<n;i++)

hs[i].xuat();

cout<<endl<<"Danh sach hoc sinh co diem trung binh >=5:"<<endl;

for(int i=0;i<n;i++)

hs[i].dtbhon5();

delete[] hs;

return0;

}