Memoria dinamica no funciona ;C, C (gcc)

Memoria dinamica no funciona ;C

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

void aleatorio (int *, int);
void clean (int *, int*);
int main(){
	
	int *vector ; 
	int N = 10 ;
	
	vector = (int*)malloc(N*sizeof(int));
	if (vector == NULL){
		printf("no se pudo reservar espacio en la memorioa");
		exit(1);
	}
	
	aleatorio(vector,N);
	clean(vector,&N);
	
}

void aleatorio ( int *vector, int N ){

srand(time(NULL));
	
	for (int i  =  0 ; i < N ; i++){
		*(vector+i) = rand()%4;
		if ( i+1 < N )
		printf("%d, ",*(vector+i));
		else
		printf("%d.",*(vector+i));
	}
	printf("\n");
}

void clean(int *vector, int *N){
	
	int j  ;
	
	for (int i = 0 ; i < *N ; i++){
		j = i +1 ;
		while(j < *N ){
			if (*(vector+i) == *(vector+j)){
				for (int k = j ; k+1 < *N ; k++){
					*(vector+k) = *(vector+k+1);
				}
				*N--;
			}
			else{
				j++;
			}
		}
	}
	
	vector = (int*)realloc(vector,*N*sizeof(int));
	if (vector == NULL){
		printf("No se pudo reservar memoria ");
		exit(1);
	}
	
	for (int t = 0 ; t < *N ; t++){
		printf("%d, ",*(vector+t));
		
	}	
	printf("\n el nuevo valor de N es de %d.",N);
}


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