Program To Find Simple Interest Using Function In C++

#include<iostream.h>

#include<conio.h>

void sum(int x,int y,int z);

main()

{

clrscr();

float p,r,t,m;

cout<<"enter numbers=";

cin>>p>>r>>t;

sum(p,r,t);

getch();

}

void sum(int x,int y,int z)

{

float m;

m=(p*r*t/100);

cout<<m;

}