#include <stdio.h>
void main()
{
int n, units, tens;
void f1 (int);
void f2 (int);
void f3( int);
printf(“Enter positive value of n less than 100\n”);
scanf_s(“%d”, &n);
if (n < 10)
f1(n);
else if (n < 20)
f2(n);
else if (n < 100)
{
units = n % 10;
tens = n / 10;
f3 (tens);
printf(” “);
f1 (units);
printf(“\n”);
}
else
printf(“print the two digit number\n”);
}
void f1 (int n)
{
switch (n)
{
Case 1:
printf(“one”);
break;
Case 2:
printf(“two”);
break;
Case 3:
printf(“three”);
break;
Case 4:
printf(“four”);
break;
Case 5:
printf(“five”);
break;
Case 6:
printf(“six”);
break;
Case 7:
printf(“seven”);
break;
Case 8:
printf(“eight”);
break;
Case 9:
printf(“nine”);
break;
default:
printf(” “);
break;
}
}
void f2(int n)
{
switch (n)
{
Case 10;
printf(“ten”);
break;
Case 11;
printf(“eleven”);
break;
Case 12;
printf(“twelve”);
break;
Case 13;
printf(“thirteen”);
break;
Case 14;
printf(“fourteen”);
break;
Case 15;
printf(“fifteen”);
break;
Case 16;
printf(“sixteen”);
break;
Case 17;
printf(“seventeen”);
break;
Case 18;
printf(“eighteen”);
break;
Case 19;
printf(“ninteen”);
break;
default:
printf(“”);
break;
}
}
void f3(int n)
{
switch (n)
{
Case 1:
printf(“ten”);
break;
Case 2:
printf(“twenty”);
break;
Case 3:
printf(“thirty”);
break;
Case 4:
printf(“fourty”);
break;
Case 5:
printf(“fifty”);
break;
Case 6:
printf(“sixty”);
break;
Case 7:
printf(“seventy”);
break;
Case 8:
printf(“eighty”);
break;
Case 9:
printf(“ninety”);
break;
default:
printf(“”);
break;
}
CODING SYNTAX 