Thread: Maximum integer length output?

Hi,

Below is my program, what it does is asks the user to input both an integer and floating point value. I managed to be able to define the output of the floating point number with the %.2f, but i cannot find a way to output the integer with a maximum of 2 spaces, ie.any number between 0 and 99. Any help at all would be great. Thank you in advance.

Ryan

Code:

#include<stdio.h>

int main(void)
{
	int integer;
	float floatingPoint;

	printf("Please input an integer value: ");
	scanf("%i", &integer);

	printf("Please input a floating point value: ");
	scanf("%f", &floatingPoint);

	printf("The integer value you entered was: %2g%i \n", integer);
	printf("The floating point value you entered was: %.2f \n", floatingPoint);
}

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You can't do that - an integer isn't made up of parts like a floating point number is. It's ONE integral unit.

The way to do what you want, is to make sure you get only 0-99, when the user is putting in the number. Like in the old western movies - "head 'em off at the pass".

One way to do it:

Code:

#include<stdio.h>

int main(void)
{
int integer;
float floatingPoint;

do {
  printf("Please input an integer value: ");
  scanf("%i", &integer);
  (void) getchar();
}while(integer < 0 || integer > 99);

printf("Please input a floating point value: ");
scanf("%f", &floatingPoint);

printf("The integer value you entered was: %2g%i \n", integer);
printf("The floating point value you entered was: %.2f \n", floatingPoint);
}

There are many ways to do this, this is just one. Using fgets(), checking the char's, then strtod() is another way, but you can also use the format input specifiers for scanf(), etc.

And Welcome to the forum, RyanLeonard!

That's a great help thank you so much. Was beginning to think myself that it was not possible.

But now here comes the noob question, why ask the program is variable 'integer' less than 0 and more than 99..when i want the value to be more than zero and less than 99, needless to say the code works :/ ive somwhat confused myself.

ohhh, I see now. That's great. Thank you so much. Love this forum

It's in a while(condition). So imagine yourself in a whirlpool of death, created and controlled by the evil maniac double agent.

Every time you spin around, the evil traitor asks you "what is the number I need to rule the world?"

You say "-1", but the traitor knows that's not right, so he let's his whirlpool spin you around again.

Next time he asks, you say "100". but he knows that's not right either, and makes you keep spinning.

The water's really cold, and you can't fight this forever, so you give him a number: "43".
And he, being the trustworthy (though incredibly evil), traitor he is, let's you out of the whirlpool of death.

You secretly laugh, because everyone knows the answer to everything is either "42" or that there is no answer to everything.

ha ha ha, you have the last laugh!

what way could I constrain the float input to a template like xxx.xx, with three numbers left of the point? is the only way to use the same method?

Regards
Ryan

No, I mentioned three ways to do it, in my post. There are nearly ALWAYS multiple ways to do anything in C programming. What's accurate (always), efficient, and clear, should be your choice. Obscure ways are fun, but save them for the obfuscation contests.

(They are a riot, though! ).

Good, I used the same method as for the integer value. Hope it looks neat
Thanks again Adak.