Been working on this problem for awhile.

[hotchico2007]

I been trying to teach my self C and i been working on this problem for a while. Help please.


Write a program that would take a integer number from the user and separate it into numbers
with appropriate place values.
Example: User inputs 4500 and your program needs to output the following:
User Input Number is 4500.
4500 Contains:
4 Thousands
5 Hundreds
0 Tens
0 Units

[MK27]

I been trying to teach my self C and i been working on this problem for a while. Help please.

Okay, post the code you have tried already.

[hotchico2007]

#include <stdio.h>

int main()
{
int T, H, t, U;
printf(" Input a number=");
scanf("%d,%d,%d,%d",&T,&H,&t,&U);
printf(" displayed number is %d", T, H, t, U);

return 0;
}

[MK27]

%d does not stand for Digit, it stands for Decimal integer, ie, a base 10 whole number.

4500 is just one %d. 450000001 is also just one %d. So you only need to read in one.

Once you have that number, you MAY want to use division AND modulus (%) on it. Modulus will give you a remainder.

x = 4844/1000;

x will be 4, since C int arithmetic always rounds down.

y = 4844%1000;

x will be 844.

[Sebastiani]

You might consider using %c (eg: read a single character). Also, always check the return value of scanf.

>> printf(" displayed number is %d", T, H, t, U);

That's only going to print one of the numbers, obviously.

[hotchico2007]

Well i appreciate the advice but i dont seem to understand how to go about this problem. ITs quite frustrating. ANy more help yall can give me? I just dont know what i should do next.

[Sebastiani]

Well, before we can help you we need to know what exactly you're confused about.

[MK27]

Well i appreciate the advice but i dont seem to understand how to go about this problem. ITs quite frustrating. ANy more help yall can give me? I just dont know what i should do next.

Here's a suggestion:

1. Read in ONE number (eg, 4500)
2. print out that number
3. perform some arithmetic on the number -- anything. Multiply by 2.
4. print the new number out

Once you can do that, you are most of the way there.

[Adak]

It's just using a trick of base 10 arithmetic.

In the number 12, you have (from right to left), two one's, and 1 ten, or : 10 + 2.

so mathematically, you can tell what each digit in a number is by:

1) Dividing it by 10
2) If the number has been divided evenly by 10, your digit in the one's column, was a 0:
e.g.: 10, 80, 100, 120, 1080, etc., all divide by 10, with no remainder

3) If there was a remainder, that is your digit:
e.g.: 15/10 leaves 5, 101/10 leaves 1, 189/10 leaves 9, 1055/10 leaves 5 remainder

You can keep dividing and subtracting the remainder from the original number, (that remainder being the digit you want to print), until your original number is zero. Then you're done.

You can also use itoa() and change your number into a string. Then use something like this:

i = 0;
while (string[i])
   printf("%c", string[i++]);