Program Of Power Of Number Using Function In C++

#include<iostream.h>

#include<conio.h>

#include<math.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,n,o,ci;

m=(1+r/100);

n=pow(m*t);

o=p*n;

ci=o-p;

cout<<ci;

}