void intr()  {
FILE *f=fopen("num4in.txt","w");
int *p1;
printf("Cite numere doriti sa introduceti?");
scanf("%d",&n);

for(int i=0;i<n;i++)
{printf("\nNumarul %d :",i+1); scanf("%d",p1);
fprintf(f,"%3d",*p1);

}
fclose(f);

void afis(){
int *p1;
FILE *f=fopen("num4in.txt","rb");
while(!feof(f)){
fscanf(f,"%3d",p1);
printf("|%d",*p1);
 }
getch();
fclose(f);
}