Sort vstavkami

#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, k, 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++){
		i = 1;
		while (i < N){
			if (A[i] >= A[i-1]){
				i++;
			}
			else {
				while (A[i] < A[i-1]){
				ii = A[i-1];
				A[i-1] = A[i];
				A[i] = ii;
				i--;
				}
				i = N;
			}
		}
	}

	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;
}