Bubble sort 26.9.15

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

long int n;
long int arr[10000];

void ini_random_number();
void print();
void bubble_sort();

int main()
{

   printf("How many numbers do u want? : ");
   scanf("%d",&n);

   ini_random_number();
   bubble_sort();
   print();
   //kgetch();
   return 0;

}
void bubble_sort()
{
  int k,j,t,x;
  k=n;

  while(k!=0)
  {
    t=0;
    for(j=1;j<= k-1;j++)
    {
      if(arr[j]>arr[j+1])
      {
        x=arr[j];
        arr[j]=arr[j+1];
        arr[j+1]=x;
        t=j;
      }
    }
    k=t;
  }
}
void ini_random_number()
{
   int i;
   //randomize();
   printf("\n\nRandom numbers are :\n\n ");

   for(i=1;i<=n;i++)
   {
      arr[i]=rand()%1000;

      printf("  %d  ",arr[i]);
   }
   arr[0]=INT_MIN;
}
void print()
{
   int i;
   printf("\n\nAfter Bubble Sorting :\n\n ");
   for(i=1;i<=n;  i++)
   {
      printf(" %d  ",arr[i]);
   }

}