C++ Program Ask To The User To Enter The Marks Obtained In 3 Subjects To Calculate and Display the Percentage Marks and Grade:

C++ Program Result card Sum,Percentage,Grade

#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
int sum,eng,math,bio,grade,percentage;
cout<<"Enter The marks of Eng:";
cin>>eng;
cout<<"Enter the marks of Math:";
cin>>math;
cout<<"Enter the marks of bio:";
cin>>bio;
sum=eng+math+bio;
cout<<sum;
percentage=(sum*100)/300;
cout<<endl<<percentage;
cout<<endl<<"Grade:";
if(percentage>=80)
{
cout<<"A";
}
else if(percentage>=70)
{
cout<<"B+";
}
else if(percentage>=60)
{
cout<<"B";
}
else if(percentage>=50)
{
cout<<"C";
}
else
{
cout<<"You are Failed";

}
cout<<endl<<"Thanks";
}

OUTPUT:-

Enter The marks of Eng:77

Enter the marks of Math:77

Enter the marks of bio:66

220

73

Grade:B+

Thanks