#include <stdio.h>

#define MAX 20
void printInfo(void);
int extractInfoVerB(char[], int, int[]);

int main ()
{
	int iSize;
	char cAryInputOld[20] = { '1', '0', '0', '1', '1', '0', '0',
													'0', '1', '0', '0', '0', '0', '2',
													'a', '0', 's', '1', '4', 'e' };
													
	int iBinaryAryOld[24] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
														-1, -1, -1, -1, -1, -1, -1, -1 }; 
	
	iSize = MAX;
	printInfo();
	extractInfoVerB(cAryInputOld, iSize, iBinaryAryOld);
	
	return 0;
}

void printInfo(void)
{
	printf("Exercise #2\n");
	printf("zero2\n\n");
	
	return;
}

int extractInfoVerB(char cAryInputOld[], int iSize, int iBinaryAryOld[])
{
	int i, j, iTmp, iVal;
	
	j = 0;
	
	for (i = 0; i < iSize; i++)
		{
			if (cAryInputOld[i] == '0' || cAryInputOld[i] == '1')
				{
					iBinaryAryOld[j] = cAryInputOld[i] - 48;
					j++;
				}
		}
	iTmp = 0;
     // # of occurences of 0
	for ( i = 0; i < iSize; i++)
		{
			if (iBinaryAryOld[i] == 0)
				{
					iTmp = iTmp + 1;
				}
		}
		
	iBinaryAryOld[iSize + 0] = iTmp;
	iTmp = 0;
	// # of occurences of 1
	for ( i = 0; i < iSize; i++)
		{
			if (iBinaryAryOld[i] == 1)
				{
					iTmp = iTmp + 1;
				}
		}
		
	iBinaryAryOld[iSize + 1] = iTmp;
	iTmp = 0;
	//# of occurences of pattern 11
	for ( i = 0; i < iSize; i++)
		{
			if (iBinaryAryOld[i] == 1 && iBinaryAryOld[i+1] == 1)
			{
				iTmp = iTmp + 1;
			}
			else i = i + 2;
		}
	iBinaryAryOld[iSize + 2] = iTmp;
	iTmp = 0;
	//# of occurences of pattern 01
	for (i = 0; i < iSize; i++)
		{
			if (iBinaryAryOld[i] == 0 && iBinaryAryOld[i+1] == 1)
			{
				iTmp = iTmp + 1;
			}
		}
	iBinaryAryOld[iSize + 3] = iTmp;
	iTmp = 0;

	printf("Given the array of characters:\n  ");
	for (i = 0; i < iSize; i++)
		{
			printf("%c", cAryInputOld[i]);
		}
	
	
	printf("\nThere is/are %d character (s) in the given array.\n\n", iSize);
	
	printf("Array of binary information: \n  [");
	
	for ( i = 0; i < iSize + 4; i++ )
		{
			printf("%3d", iBinaryAryOld[i]);
		}
		printf("  ]");
		
		if( iBinaryAryOld[iSize] != 0 || iBinaryAryOld[iSize + 1] != 0 )
			{
				iVal = 1;
				printf("\n\nThere is at least one character digit (0 or 1) stored in the array.");
			}
		else
			{
				iVal = 0;
			}
	
			return iVal;
}