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LinkedList intersection(LinkedList list1, LinkedList list2) { LinkedList result; result = LINKEDLIST_create(); Element element1; Element element2; int flag = 0; LINKEDLIST_goToHead(list1); while(!LINKEDLIST_isAtEnd(list1)) { element1 = LINKEDLIST_get(list1); LINKEDLIST_goToHead(list2); while(!LINKEDLIST_isAtEnd(list2)) { element2 = LINKEDLIST_get(list2); if((element1 == element2) && !flag) { LINKEDLIST_add(result, element1); flag = 1; } LINKEDLIST_next(list2); } LINKEDLIST_next(list1); } }