C++ Program to find grade based on percentage

C++ Program to find grade based on percentage #include<iostream.h> #include<conio.h> void main() {  int p;  clrscr();  cout<<"\nEnter Percentage: ";  cin>>p;   if(p>=80)   {    cout<<"\n Grade A+";   }   else if(p>=60)   {    cout<<"\n Grade A";   }   else if(p>=45)   {    cout<<"\n Grade B";   }   else   {    cout<<"\n Grade C";   }  getch(); }