Bubble sort

#include<stdio.h>//header file
#include<conio.h>//header file

void main()
{
int arr[100],i,prev,temp,tot;
clrscr();
do //do while looping
{
printf("\nEnter total no.");
scanf("%d",&tot);
}
while(tot>100);
arr[0]=-9999;
for(i=1;i<=tot;i++)
{
printf("Enter the elements");
scanf("%d",&arr[i]);
}

clrscr();
printf("\nThe original array");
for(i=1;i<=tot;i++)
{
printf("%d",arr[i]);
printf("\n");
{
 

 for (i = (array_size - 1); i >= 0; i--)
{
for (j = 1; j <= i; j++)
{
if (arr[i-1] > arr[i])
{
temp = arr[i-1];
arr[i-1] =arr[i];
arr[i] = temp;
}
}
}
}
}
printf("The sorted array");
for(i=1;i<=tot;i++)
printf("\n%d",arr[i]);
printf("\n");
getch();
}
}