#include <stdio.h>
int main()
{
int arr[100], size, isUnique;
int i, j, k;
//Reads size of the array
printf("Enter size of array: ");
scanf("%d", &size);
//Reads elements in array
printf("Enter elements in array: ");
for(i=0; i<size; i++)
{
scanf("%d", &arr[i]);
}
//Removing all duplicate elements from the array
for(i=0; i<size; i++)
{
// Assuming cuurent element is unique */
isUnique = 1;
for(j=i+1; j<size; j++)
{
//If any duplicate element is found
if(arr[i]==arr[j])
{
// Removing duplicate element
for(k=j; k<size-1; k++)
{
arr[k] = arr[k+1];
}
size--;
j--;
isUnique = 0;
}
}
/*
If array element is not unique
then also remove the current element
*/
if(isUnique != 1)
{
for(j=i; j<size-1; j++)
{
arr[j] = arr[j+1];
}
size--;
i--;
}
}
//Printing all unique elements in array
printf("\nAll unique elements in the array are: ");
for(i=0; i<size; i++)
{
printf("%d\t", arr[i]);
}
return 0;
}
Result:
Enter size of array: 6
Enter elements in array: 1
2
2
3
3
5
All unique elements in the array are: 1 5
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