Question

// demonstrates separating digits with a remainder operator
// Mikhail Nesterenko
// 01/22/2016

#include <iostream>

using std::cin; using std::cout; using std::endl;

int main(){

  cout << "Input number from 01 to 50: ";
  int number;
  cin >> number;

  const int singles = number % 10;
  const int tens = number / 10;

  cout << "tens: " << tens << endl;
  cout << "singles: " << singles << endl;

You may assume that the user never inputs a number less than 1 or grater than 50.

You are not allowed to use the concepts, such as looping or functions, that we have not studied. Writing a program that treats all 50 cases separately (that is, has 50 separate output statements) will result in a bad grade.

Hint: Use integer division to extract singles and tens out of the input number. See this program for an example. Then use switch and if statements. Specifically, you will need to differentiate (with an if) a number that is less than 20. For such numbers you will need a switch statement to print the whole value. For the numbers larger than 20, you will need one switch to print the word for the first digit, and another -- the word for the second digit.

please help?

Answer 1

Code

#include <iostream>
using std::cin; using std::cout; using std::endl;
int main()
{
cout << "Input number from 01 to 50: ";
   int number;
   cin >> number;

   const int singles = number % 10;
   const int tens = number / 10;

   cout << "tens: " << tens << endl;
   cout << "singles: " << singles << endl<<endl;
if(number >= 11 && number <= 20)
{
switch(number)
{
case 11:
std::cout<<"eleven";
break;

case 12:
std::cout<<"twelve";
break;
case 13:
std::cout<<"thirteen";
break;
case 14:
std::cout<<"fourteen";
break;
case 15:
std::cout<<"fifteen";
break;
case 16:
std::cout<<"sixteen";
break;
case 17:
std::cout<<"seventeen";
break;
case 18:
std::cout<<"eighteen";
break;
case 19:
std::cout<<"nineteen";
break;
}
}
else
{
switch(tens)
{
case 1:
if(singles == 0)
std::cout<<"ten";
break;
case 2:
std::cout<<"twenty";
break;
case 3:
std::cout<< "thirty";
break;
case 4:
std::cout<<"fourty";
break;
case 5:
std::cout<<"fifty";
break;
}
if(tens > 1 && number != 100) std::cout<<"-";
switch(singles)
{
case 1:
std::cout<<"one";
break;
case 2:
std::cout<<"two";
break;
case 3:
std::cout<<"three";
break;
case 4:
std::cout<<"four";
break;
case 5:
std::cout<<"five";
break;
case 6:
std::cout<<"six";
break;
case 7:
std::cout<<"seven";
break;
case 8:
std::cout<<"eight";
break;
case 9:
std::cout<<"nine";
break;
default:
break;
}
}
   cout<<endl;
return 0;
}

output

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