Deleting Duplicate from a linear array.

int status ;
int dup;
int duplicate_array(int *, int);
void input(int *, int );
void display(int *, int );

/* Definition of the function */

int duplicate_array(int array[], int number)
{
int i, j, k;
status = 0;
dup = number;

for(i = 0; i< number-1; i++)
for(j = i+1; j< number; j++)
{
if(array[i] == array[j])
{
number = number - 1 ;
for(k = j; k
array[k] = array[k+1];
status = 1;
j = j - 1;
}
}
if( status ==0)
printf("\n No duplicate is found");
return(dup-number);
}

/* Input function to read data */

void input(int array[], int number)
{
int i;
for(i = 0; i< number ; i++)
{
printf("Input value for: %d: ", i+1);
scanf("%d", &array[i]);
}
}

/* Output function */

void display(int array[], int number)
{
int i;
for(i = 0; i< number; i++)
{
printf("\n Value at the position: %d: %d", i+1, array[i]);
}
}

/* main function */

void main()
{
int number;
int array[100];
int n;
printf("\n Input the number of elements in the list: ");
scanf("%d", &number);
input(array, number);
printf("\n Entered list is as follows:\n");

display(array,number);

n = duplicate_array(array,number);
printf("\nNumber of duplicate elements in the list are: %d", n);
printf("\nAfter removing duplicates from the list, the list is as follows:");
display(array,number-n);