Thread: 'Type double' help D:

I'm doing an assignment for an Intro to C class and one of the problems assigned from the book requires me to:

-Write a program that prompts the user to enter three numbers
-Prints the three numbers vertically, first forward and then reversed.

Simple enough, my code for that is

Code:

#include <stdio.h>

int main()
{
// Local Declarations
    int a, b, c;

// Statements
    printf("Please enter three numbers: \n");
    scanf("%d %d %d", &a, &b, &c);

    printf("\n\nYour numbers forward: \n%d \n%d \n%d\n\n", a, b, c);
    printf("Your numbers reversed: \n%d \n%d \n%d", c, b, a);

    return 0;

}

and the output is what I thought was required...

Please enter three numbers:
7 77 777


Your numbers forward:
7
77
777

Your numbers reversed:
777
77
7

I look back at the HW requirements and it turns out for this particular problem, my professor wants me to write more stuff; "Declare the three numbers of type double. Format the output: xxx.xx (such as 200.99, 50.25, etc.)."

Don't really have any idea on what to do for this... I changed the int to double but my output gets really weird.

This is the new code (with int changed to double)

Code:

#include <stdio.h>

int main()

{
// Local Declarations
    double a, b, c;

// Statements
    printf("Please enter three numbers: \n");
    scanf("%d %d %d", &a, &b, &c);

    printf("\n\nYour numbers forward: \n%d \n%d \n%d\n\n", a, b, c);
    printf("Your numbers reversed: \n%d \n%d \n%d", c, b, a);

    return 0;

}

This is the output with said-new code

Please enter three numbers:
5 10 15


Your numbers forward:
5
4200358
10

Your numbers reversed:
15
1988563298
10

Some advice would be greatly appreciated :X

Do you mean you want

Code:

Your numbers reversed:
3.00
2.00
1.00

?

If so, the way to do that is

Code:

printf("Your numbers reversed: \n%.2f \n%.2f \n%.2f", c, b, a);

; the twos are the number of decimal places you want

Originally Posted by TheBigH

Do you mean you want

Code:

Your numbers reversed:
3.00
2.00
1.00

?

If so, the way to do that is

Code:

printf("Your numbers reversed: \n%.2f \n%.2f \n%.2f", c, b, a);

; the twos are the number of decimal places you want

Haha, I was just reading my book and I found out what to do >_>

But thanks for the verification!