write a program to print all unique elements in an array
//write a program to print all unique elements in an array in c #include <stdio.h> int main(int argc, char const *argv[]) { int arr[] = {4, 256, 2, 256, 4, 3, 3, 5}, seen; int arr_length = sizeof(arr) / sizeof(int); for (int i = 0; i < arr_length; i++) { seen = 0; for (int j = i + 1; j < arr_length; j++) { if (arr[i] == arr[j]) { seen = 1; } } if (seen == 0) { printf("%d ", arr[i]); } } return 0; }