This C program remove same elements from given list.
This program visit each numbers if number is visited again then remove that number.For example  given array= 1, 2, 1, 3, 4, 2, 5, 4. After removing duplicate elements from the given array we get elements=1, 2, 3, 4, 5.
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/* Written by Utpal Chaudhary  */
/* Student of L.D COLLEGE OF ENGINEERING, Ahmedabad-15, Gujarat */
#include <stdio.h>
#include <conio.h>
void main()
{
int m[10], i, k=0, j, n,store[10], flag;
clrscr();
printf(“How many elements ?”);
scanf (“%d”, &n);
printf ( ” Enter %d  elements (with some duplication) \n “,n );
for( i=o;i<n; ++i)
{
scanf ( “%d “,&m[i] );
flag=0;
for(j=0; j<k ; ++j)
{
if ( m[i]==store[j] )
{
flag=1;
break;
}
}
if(flag==0)
{
store[k]=m[i];
k++;
}
}
printf (“After removing duplicate elements \n”);
for(j=0; j<k ; ++j)
{
printf (” %d \n”,store[j] );
}
}
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How many elements ?
10
Enter 10 Â elements (with some duplication)
10 20 10 40 50 20 30 60 70
After removing duplicate elements
10
20
30
40
50
60
70
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NOTE :- You can also run this program without using second array.
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