[자료구조] Binary Tree Inorder Traversal
바이너리 트리 중위순회 구현하기 Given a binary tree, return the inorder traversal of its nodes’ values. For example: Given binary tree [1,null,2,3], 1 \ 2 / 3 return [1,3,2]. Note: Recursive solution is trivial, could...
Tagged: 자료구조
[자료구조] Binary Tree Preorder Traversal
바이너리 트리에서 전위순회 구현해보기 Given a binary tree, return the preorder traversal of its nodes’ values. For example: Given binary tree [1,null,2,3], 1 \ 2 / 3 return [1,2,3]. Note: Recursive solution is trivial, could...
[자료구조] JAVA로 ArrayList 구현해보기
public class mainClass { public static void main(String[] args){ ArrayList arrayList = new ArrayList(); arrayList.add(“10”); arrayList.add(“20”); arrayList.add(“30”); System.out.println(arrayList.getSize()); System.out.println(arrayList.toString()); //arrayList.indexOf(2); arrayList.addIndex(1, “15”); System.out.println(arrayList.toString()); arrayList.remove(2); System.out.println(arrayList.toString()); } } public class...
최근 댓글