Program to Convert a number to word
in C
Source Code in C:-
#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<process.h>
char old[70];
char ne[70];
char a[10][10]={"one
","two ","three ","four ","five
","six ","seven ","eight ","nine
"};
char b[10][10]={"eleven
","twelve ","thirteen ","fourteen
","fifteen ","sixteen ","seventeen
","eighteen ","ninteen "};
char c[10][10]={"ten
","twenty ","thirty ","fourty ","fifty
","sixty ","seventy ","eighty ","ninty
"};
char d[4][10]={"hundred
","thousand ","lac ","crore "};
void func1(int);
void main()
{
int value;
long int r,num,x,i=1;
unsigned long int number,n1,rev=0;
int digit;
while(1)
{
clrscr();
printf("*******To
illustrate the concept of Convert a number to
word********");
printf("\n\n1. To convert into a number into its notations like
'one thousand'");
printf("\n\n2. To convert into a number into its in English Notaton
like'One four six three'");
printf("\n\n3. Exit option");
printf("\n \n Enter Your Choice");
scanf("%d",&value);
switch(value)
{
case 1:
{
clrscr();
strcpy(old," ");
printf("Enter the number between 0 to
999999999 \n");
scanf("%ld",&num);
if(num>999999999)
{
exit(1);
}
else
{
x=num;
r=x%100;
x=x/100;
if(r>0)
func1(r);
r=x%10;
strcpy(old,ne);
strcpy(ne,"");
if(r>0)
{
strcpy(ne,a[r-1]);
strcat(ne,d[0]);
}
strcat(ne,old);
x=x/10;
while(x>0)
{
strcpy(old,"");
strcpy(old,ne);
strcpy(ne,"");
r=x%100;
if(r<=0)
i++;
else
{
func1(r);
strcat(ne,d[i++]);//hundred,lac,crore
}
strcat(ne,old);
x=x/100;
}
printf("Your number is (in figure)
=%ld \n",num);
printf("\nResult is(In Words)=
%s",strupr(ne));
getch();
}
}
break;
case 2:
{
clrscr();
printf("\n Enter a positive
integer\n");
scanf("%lu",&number);
if(number==0)
{
printf("\n Zero");
getch();
return;
}
n1=number;
while(n1!=0)
{
digit=n1%10;
rev=(rev*10)+digit;
n1=n1/10;
}
printf("Your number is (in figure)
=%lu\n",number);
printf("Your number is (in Word) =
");
while(rev!=0)
{
digit=rev%10;
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;
}
rev=rev/10;
}
getch();
}
break;
case 3:
exit(1);
break;
}
}
getch();
}
void func1(int r)
{
if(r<10)
strcpy(ne,a[r-1]); //last digit
else if((r%10==0))
{
strcpy(ne,c[(r/10)-1]);
//printf("%s \n",c[(r/10)-1]); //fifty
}
else if(r>10&&r<20)
strcpy(ne,b[r-11]); //fourteen
else
{
strcpy(ne,c[(r/10)-1]);
strcat(ne,a[(r%10)-1]); //sixty nine
}
}
This program gets a number from the
user and converts it into according to user choice option. If the user chose 1
option, it converts the number in words like ‘crores thousand or lacs’. . If
the user chose 2 option, it converts the number in words like that ‘one four
three two nine’.
