08 2020 档案

摘要:1 class Solution { 2 public int rob(TreeNode root) { 3 int[] rootStatus = dfs(root); //存取两种方案结果 4 return Math.max(rootStatus[0], rootStatus[1]); 5 } 6 阅读全文
posted @ 2020-08-06 22:46 小小码农-安 阅读(161) 评论(0) 推荐(0)
摘要:1 class Solution { 2 public boolean canFinish(int numCourses, int[][] prerequisites) { 3 List<List<Integer>> edges = new ArrayList<List<Integer>>(); / 阅读全文
posted @ 2020-08-04 23:03 小小码农-安 阅读(195) 评论(0) 推荐(0)
摘要:1 class Solution { 2 public String addStrings(String num1, String num2) { 3 StringBuilder res = new StringBuilder(); 4 int len1 = num1.length() - 1, l 阅读全文
posted @ 2020-08-03 21:44 小小码农-安 阅读(224) 评论(0) 推荐(0)
摘要:1 class Solution { 2 public void flatten(TreeNode root) { 3 if (root == null) { 4 return; 5 } 6 Deque<TreeNode> stack = new LinkedList<TreeNode>(); 7 阅读全文
posted @ 2020-08-02 21:35 小小码农-安 阅读(194) 评论(0) 推荐(0)