Mine

#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;

int main()
{
  int years = 10;

  int D = 100;
  double p = 0.075 / 12;
  int T = years * 12;
  double S = D * ((pow(1 + p, T) - 1) / p);

  cout << fixed;
  cout << setprecision(0);
  
  cout << "In " << years << " years, $";
  cout << D << " will grow to $";
  cout << setprecision(2) << S << "." << endl;
  return 0;
}