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Ques:-8) If a number 972 is entered through the keyboard, your program should print “Nine Seven Two”. Write a program such that it does this for any positive integer.
#include<stdio.h>
#include<conio.h>
void main()
{
int num,q,r,rn;
clrscr();
printf("\nEnter an integer number:");
scanf("%d",&num);
q=num;
rn=0;
while(q>0)
{
r=q%10;
rn=rn*10+r;
q=q/10;
}
while(rn>0)
{
r=rn%10;
switch(r)
{
case 1:printf("One\t");
break;
case 2:printf("Two\t");
break;
case 3:printf("Three\t");
break;
case 4:printf("Four\t");
break;
case 5:printf("Five\t");
break;
case 6:printf("Six\t");
break;
case 7:printf("Seven\t");
break;
case 8:printf("Eight\t");
break;
case 9:printf("Nine\t");
break;
case 0:printf("Zero\t");
break;
}
rn=rn/10;
}
getch();
}
Enter an Integer Number : 98
Nine Eight
Another Example
#include <stdio.h>
void printDigitInWords(int digit) {
switch(digit) {
case 0: printf("Zero "); break;
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("Invalid digit"); break;
}
}
void printNumberInWords(int number) {
// Handle 0 specifically since it is a single digit
if (number == 0) {
printDigitInWords(0);
return;
}
// Determine the number of digits
int reversedNumber = 0;
int digitCount = 0;
int originalNumber = number;
// Reverse the number
while (number > 0) {
reversedNumber = reversedNumber * 10 + (number % 10);
number /= 10;
digitCount++;
}
// Print the digits in words by extracting digits from the reversed number
for (int i = 0; i < digitCount; i++) {
int digit = reversedNumber % 10;
printDigitInWords(digit);
reversedNumber /= 10;
}
}
int main() {
int number;
printf("Enter a positive integer: ");
scanf("%d", &number);
if (number < 0) {
printf("Please enter a positive integer.\n");
return 1;
}
printNumberInWords(number);
printf("\n");
return 0;
}
Explanation:
printDigitInWordsFunction:- This function takes a single digit (0-9) and prints its corresponding word.
printNumberInWordsFunction:- This function handles the conversion of the entire number to its word form.
- If the input number is 0, it directly prints “Zero”.
- It reverses the input number to facilitate printing digits from left to right.
- It then extracts each digit from the reversed number and prints its word representation using the
printDigitInWordsfunction.
mainFunction:- It prompts the user to enter a positive integer.
- If the input number is negative, it asks for a positive integer.
- Calls
printNumberInWordsto print the number in words.
Usage:
- Compile and run the program.
- Enter a positive integer when prompted.
- The program will print the digits of the number in words separated by spaces.
