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Leetcode Binary Tree Inorder Traversal
Given a binary tree, return theinordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,3,2].Note...
分类:其他好文   时间:2014-07-02 22:49:05    阅读次数:249
Leetcode Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
分类:其他好文   时间:2014-07-02 22:34:44    阅读次数:318
Leetcode Unique Binary Search Trees
Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. 1.....
分类:其他好文   时间:2014-07-02 22:13:23    阅读次数:191
SQL语句汇总(二)——数据修改、数据查询
首先创建一张表如下,创建表的方法在上篇介绍过了,这里就不再赘述。添加新数据:INSERT INTO () VALUES ()如:INSERT INTO t_student (student_id,student_name,student_age,student_sex) VALUES (1,'大毛....
分类:数据库   时间:2014-07-01 17:40:43    阅读次数:235
数学之路-python计算实战(4)-Lempel-Ziv压缩(2)
Format characters have the following meaning; the conversion between C and Python values should be obvious given their types. The ‘Standard size’ column refers to the size of the packed value in bytes...
分类:编程语言   时间:2014-07-01 14:51:47    阅读次数:391
mysql float double 类型
1.float类型 float列类型默认长度查不到结果,必须指定精度, 比如 num float, insert into table (num) values (0.12); select * from table where num=0.12的话,empty set。 num float(9,7), insert into table (num) values (0.12); selec...
分类:数据库   时间:2014-07-01 11:09:56    阅读次数:308
被攻击减血,攻击可增加等级
/* *  备忘录模式 */ #include   //保存值 class mySavevalue  { public:  mySavevalue(string user_name = "",           int life_value = 100,        int magic_point = 100,        int rank_values =...
分类:其他好文   时间:2014-07-01 08:49:27    阅读次数:203
Reorder List
题目 Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, re...
分类:其他好文   时间:2014-07-01 08:39:24    阅读次数:181
Binary Tree Preorder Traversal
题目 Given a binary tree, return the preorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, 1 2 / 3 return [1,2,3]. Note: Recu...
分类:其他好文   时间:2014-07-01 07:06:56    阅读次数:177
Binary Tree Postorder Traversal
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...
分类:其他好文   时间:2014-07-01 07:06:11    阅读次数:214
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