做完这道题,只能说基本功很重要,数组中套数组就不会用了,过几天吧1做了,看自己到底等没。https://oj.leetcode.com/problems/binary-tree-level-order-traversal-ii/import java.util.*;/** * Definition ...
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编程语言 时间:
2014-07-01 13:30:53
阅读次数:
300
秒杀/** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int x) { val = ...
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编程语言 时间:
2014-07-01 13:16:49
阅读次数:
174
https://oj.leetcode.com/problems/path-sum//** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNod...
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编程语言 时间:
2014-07-01 13:09:20
阅读次数:
198
题目:Given a binary tree, return thelevel ordertraversal of its nodes' values. (ie, from left to right, level by level).For example:Given binary tree{3,...
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其他好文 时间:
2014-07-01 12:44:09
阅读次数:
199
Gray Code:The gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integer n representing the ...
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其他好文 时间:
2014-07-01 12:42:16
阅读次数:
192
题目:Given a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to right, level by level from leaf to root).For ...
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其他好文 时间:
2014-07-01 12:26:07
阅读次数:
215
https://oj.leetcode.com/problems/validate-binary-search-tree/1.中序遍历是否有序/** * Definition for binary tree * public class TreeNode { * int val; * ...
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编程语言 时间:
2014-07-01 12:20:06
阅读次数:
173
题目
Given a binary tree, return the postorder traversal of its nodes' values.
For example:
Given binary tree {1,#,2,3},
1
2
/
3
return [3,2,1].
Note: Rec...
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其他好文 时间:
2014-07-01 07:06:11
阅读次数:
214
作为一个oracle dba有时候不得不管理一下mysql数据库,当为主从库时需要阶段性清理mysql binary log,清楚方式如下:
首先查看mysql 的当前日志组
show master status;
确定当前日志组后删除日志文件
purge binary logs to 'mysql-bin.000795';
删除000795之前的日志...
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数据库 时间:
2014-06-30 17:16:01
阅读次数:
240