#include<stdio.h>
#include<stdlib.h>

void convertToBinaryVersionA();

int main(void)
{
	convertToBinaryVersionA();
		return 0;
}

void convertToBinaryVersionA()
{
	char *cPtr;
	int iSize;
	int i;
	char *cBinary;
	int j = 0;
	int iCount;
	
	printf("Enter an estimate of size of string: ");
	scanf("%d", &iSize);
	
	getchar();
	cPtr =  (char *) malloc (iSize * sizeof(char));
	printf("Enter input string: ");
	gets(cPtr);
	
	cBinary = (char *) malloc (iSize * sizeof(char));
	
	for (i = 0; i < iSize; i++)
		{
			if( * (cPtr + 0) == 'q' || * (cPtr + 0) == 'Q')
				{
					printf("Thank You!\n");
				}
			else if ( * (cPtr + i) == '0' || * (cPtr + i) == '1' )
				{
					cBinary[j] = cPtr[i];
					j++;
					iCount = 0;
				}
			else
				{
					iCount = 1;
					
				}
		}
		if ( iCount == 0 )
		{
			printf("The converted string is: %s", cBinary);
		}
		else
		{
			printf("The inputed string is not convertible!\n");
		}
	
	return;
}