/* Coded by Karthik Ananthapadmanaban
  6:04 PM 4/11/2008

 Use this function "createBinaryString" to convert a decimal number to binary
The function takes 3 arguments

@num -> Number to be converted to binary
@ size -> Intended format - e.g. if 5 you get the output as "00000"
@copyto -> Base address where the binary string is to be copies, should be of length = size

The function createBinaryString uses another function toChar that converts a number to a character

@i -> Number to be converted to a character

*/

#include <iostream>
#include <math.h>

using namespace std;

char toChar(int i)
{
	char temp[2];
	sprintf(temp,"%d",i);
	return temp[0];
}

void createBinaryString(int num, int size, char *copyto)
{
	int i,no,cr;
	
	i=size-1;
	no=num;
	cr=size;

	char temp[cr];

	memset(temp,'\0',cr+1);
	memset(temp,'0',cr+1);

	if (no==0)
	{
	}
	else
	{
		while (no!=0)
		{
			temp[i]=toChar(no % 2);
			no = no / 2;
			i--;
		}
	}
	strncpy(copyto,temp,size);
}

//Sample usage

int main()
{
	char strbin[5];
	int i=0;
	
	for (i=0; i<pow(2,5); i++)
	{
		printf("\n %d \n",i);
		memset(strbin,'\0',sizeof(strbin)+1);
		createBinaryString(i,5,strbin);
		printf("\n %s",strbin);
	}
	return 0;
}