int2str

#include <iostream>
#include <string>

using namespace std;

string int2str (int number){
  // Takes an integer and translate to english.
  // Up to 99.
  int number_tens = number / 10;
  int number_ones = number % 10;

  string str_tens;
  string str_ones;

  string result;

  switch(number_tens){
  case 0:
    str_tens = "";
    break;
  case 1:
    switch(number_ones){
    case 0:
      result = "Ten";
      break;
    case 1:
      result = "Eleven";
      break;
    case 2:
      result = "Twelve";
      break;
    case 3:
      result = "Thirteen";
      break;
    case 4:
      result = "Fourteen";
      break;
    case 5:
      result = "Fifteen";
      break;
    case 6:
      result = "Sixteen";
      break;
    case 7:
      result = "Seventeen";
      break;
    case 8:
      result = "Eighteen";
      break;
    case 9:
      result = "Nineteen";
      break;
    }
    return result;
  case 2: str_tens = "Twenty";
    break;
  case 3: str_tens = "Thirty";
    break;
  case 4: str_tens = "Forty";
    break;
  case 5: str_tens = "Fifty";
    break;
  case 6: str_tens = "Sixty";
    break;
  case 7: str_tens = "Seventy";
    break;
  case 8: str_tens = "Eighty";
    break;
  case 9: str_tens = "Ninety";
    break;
  }
  switch(number_ones){
  case 9:
    str_ones = "Nine";
    break;
  case 8:
    str_ones = "Eight";
    break;
  case 7:
    str_ones = "Seven";
    break;
  case 6:
    str_ones = "Six";
    break;
  case 5:
    str_ones = "Five";
    break;
  case 4:
    str_ones = "Four";
    break;
  case 3:
    str_ones = "Three";
    break;
  case 2:
    str_ones = "Two";
    break;
  case 1:
    str_ones = "One";
    break;
  case 0:
    str_ones = "";
    break;
  }
  result = str_tens+str_ones;
  return result;
}

void song (){
  string bottle_str;
  for (int bottles = 99; bottles>=1; bottles--){
    bottle_str = int2str(bottles);
    cout << bottle_str << endl;
  }
}

int main(){
  song();
  return 0;
}