Calculate Percentage in C++.

 #include<iostream.h>

#include<conio.h>

int main( )

{

 clrscr( );

int v,p,result;

cout<<"Enter the value...";

cin>>v;

cout<<"Enter the persentage...";

cin>>p;

result=v*p/100;

cout<<"\nAverage Marks = "<<result;

 cout<<endl;

 getch( );

    return 0;

}

To run:

output: