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stack numbers

 
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stack numbers, of course homework
duygugvn
post 21 Nov, 2005 - 03:49 AM
Post #1


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I chose stack numbers between0 and 255. there are rulesto check if it is stack or not.these are...
1-the bits must start with 1 and end with 0
2-number of 1s must equal numbner of 0s
3-start from left to right to sum the values of these bits,count 1 for 1s and count -1 for 0s....
I COULD NOT apply

CODE

#include <stdio.h>
#define BITS 7

int main() {

int binNum[7];
int number;

int i;
 

printf("enter a decimal number: ");
scanf( "%d", &number);
if(number>=0 && number<=255)
{

for ( i = 0; i <= BITS; i++ ) {
binNum[i] = number % 2;
number = number / 2;
}
for ( i = BITS; i>= 0; i-- ) {
printf("%d", binNum[i]);
}
}
return 0;
}
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Nova Dragoon
post 21 Nov, 2005 - 08:13 AM
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Could you clarify the problem statement? I'm having trouble seeing what the program requires.
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duygugvn
post 21 Nov, 2005 - 08:30 AM
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I have to determine the stack number between 0 and 255.
stack numbers has three rules as I mentioned before post.but I only conver decimal to binary form and determine the boundery 0-255
I could not apply rules for stack numbers.
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Nova Dragoon
post 21 Nov, 2005 - 09:13 AM
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Ok from what I could make out of the stack number rules:

You have converted the number into a binary number in an array.

For rule #1: check if the array starts with a 1
if( array[0]==1 )

Then use a for loop and a sum variable, iterate through the array, add 1 to sum if "1" subtract 1 from sum if "0"
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