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#include <iostream>
#include <string>
using namespace std;
int main()
{
int n;
cout << "Enter an integer between 1 and 999: ";
cin >> n;
if(n < 1 || n > 999) return 0;
string words;
string hund = "Hundred";
string str1[9] = {"One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine"};
string str2[9] = {"Eleven", "Twelf", "Thirteen", "Fourteen", "Fifteen", "Sixteen", "Seventeen", "Eighteen", "Nineteen"};
string str3[9] = {"Ten", "Twenty", "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninenty"};
int part = n % 100;
int h = n / 100; // h = hundreds digit
int t = part / 10; // t = tens digit
int u = part % 10; // u = units digit
cout << "\nNumber in words: ";
if(h == 0)
{
if(t == 0) words = str1[u - 1];
if(t > 0 && u == 0) words = str3[t - 1];
if(t == 1 && u > 0) words = str2[u - 1];
if(t > 1 && u > 0) words = str3[t - 1] + str1[u - 1];
}
if(h > 0)
{
if(t == 0 && u == 0) words = str1[h - 1] + hund;
if(t == 0 && u > 0) words = str1[h - 1] + hund + str1[u - 1];
if(t > 0 && u == 0) words = str1[h - 1] + hund + str3[t - 1];
if(t == 1 && u > 0) words = str1[h - 1] + hund + str2[u - 1];
if(t > 1 && u > 0) words = str1[h - 1] + hund + str3[t - 1] + str1[u - 1];
}
cout << words << "\n\n";
return 0;
}
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