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

#define n 8

void swap(int *, int *);

int main(void)

{
    int a[] = {7, 3, 66, 3, -5, 22, -77, 2};
    int i, j;
	
	printf("Unordered data:    ");
	
	for(i=0; i<n; ++i)
		printf("%d   ", a[i]);
		printf("\n");
		printf("  After Pass 1:  ");
		{
		for(i=0; i<n; ++i)	
			{	
			for(j=i+1; j<n; ++j)
				
				{
				if(a[i]>a[j])
				swap(&a[i],&a[j]);
				}
			for(i=0; i<n; ++i)
			printf("%d   ", a[i]);
			printf("\n");
			}
		}
}						
void swap(int *i, int *j)
{
    int tmp;

    tmp = *i;
    *i = *j;
    *j = tmp;
}   

        for (i = 0; i < n; ++i) { /* <--- outer loop variable is i */
            for (j = i + 1; j < n; ++j)
            {
                if (a[i] > a[j])
                    swap(&a[i], &a[j]);
            }
            for (i = 0; i < n; ++i)    /*<--- makes i go to n--- use some other variable */
                printf("%d   ", a[i]);
            printf("\n");
        }