Untitled

#include<iostream>
using namespace std;
#include<math.h>
int main()
{
   float si,c,a,p,r,ci;
  float t;
    cout << " principal rate time " << endl;
    cin>>p >> r >> t;
    if(p>0 && t>0)
{
    si=(p*r*t)/100;
    a=p*pow((1.0+r/100.0), t);
    c=a-p;
 ci = floor(c*100)/100;
    cout << "The simple interest is " << si << endl;
    cout << "The compound interest is " << ci << endl;

}
else {
cout<< "invalid input" << endl;
}
return 0;
}