Bubble sort

#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stddef.h>


int main (void)	{
    int N, i, ii, j;
	scanf ("%d", &N);
	int A[N];
	float random;
	srand(time(NULL));

	for (i=0; i<N; i++){
		random = rand();
 		random = (random / RAND_MAX)*10;
		A[i]=random;
	//	scanf ("%d", &A[i]);

	}

	clock_t start = clock ( ) ;

	for (j=0; j<N; j++){
		for (i=1; i<N; i++){
			if ( (A[i-1] > A[i]) & (j != i) ){
				ii=A[i];
				A[i]=A[i-1];
				A[i-1]=ii;
			}
		}
	}

	clock_t end= clock ( ) ;
	float seconds = ( float ) ( end - start ) / CLOCKS_PER_SEC;

/*   for (i=0; i<N; i++){
		printf ("%d ", A[i]);

	}
*/
	printf (" \n");
	printf ("%f ", seconds);

	return 0;
}