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  1. #include<iostream>
  2. using namespace std;
  3. void expand(int);
  4. int main()
  5. {
  6.     int num;
  7.     cout<<"Enter a number : ";
  8.     cin>>num;
  9.     expand(num);
  10. }
  11. void expand(int value)
  12. {
  13.     const char * const ones[20] = {"zero", "one", "two", "three","four","five","six","seven",
  14.     "eight","nine","ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen",
  15.     "eighteen","nineteen"};
  16.     const char * const tens[10] = {"", "ten", "twenty", "thirty","forty","fifty","sixty","seventy",
  17.     "eighty","ninety"};
  18.  
  19.     if(value<0)
  20.     {
  21.         cout<<"minus ";
  22.         expand(-value);
  23.     }
  24.     else if(value>=1000)
  25.     {
  26.         expand(value/1000);
  27.         cout<<" thousand";
  28.         if(value % 1000)
  29.         {
  30.             if(value % 1000 < 100)
  31.             {
  32.                 cout << " and";
  33.             }
  34.             cout << " " ;
  35.             expand(value % 1000);
  36.         }
  37.     }
  38.     else if(value >= 100)
  39.     {
  40.         expand(value / 100);
  41.         cout<<" hundred";
  42.         if(value % 100)
  43.         {
  44.             cout << " and ";
  45.             expand (value % 100);
  46.         }
  47.     }
  48.     else if(value >= 20)
  49.     {
  50.         cout << tens[value / 10];
  51.         if(value % 10)
  52.         {
  53.             cout << " ";
  54.             expand(value % 10);
  55.         }
  56.     }
  57.     else
  58.     {
  59.         cout<<ones[value];
  60.     }
  61.     return;
  62. }
Success #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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Enter a number : zero
https://ideone.com/yxnMNS
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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