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【LeetCode】Sum Root to Leaf Numbers
题目Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-leaf path1->2->3which r...
分类:其他好文   时间:2014-07-15 23:21:33    阅读次数:218
HDU 11488 Hyper Prefix Sets (字符串-Trie树)
HHyper Prefix SetsPrefix goodness of a set string is length of longest common prefix*number of strings in the set. For example the prefix goodness of ...
分类:其他好文   时间:2014-07-15 08:51:08    阅读次数:261
C/C++产生随机数
C/C++如何产生随机数:这里要用到的是rand()函数, srand()函数,C语言/C++里没有自带的random(int number)函数。(1) 假设你仅仅要产生随机数而不须要设定范围的话,你仅仅要用rand()就能够了:rand()会返回一随机数值, 范围在0至RAND_MAX 间。RA...
分类:编程语言   时间:2014-07-14 09:06:45    阅读次数:223
函数的逻辑读成零
函数的逻辑读成零drop table t;CREATE TABLE T AS SELECT * FROM DBA_OBJECTS;CREATE OR REPLACE FUNCTION F_NO_RESULT_CACHE RETURN NUMBER ASV_RETURN NUMBER;BEGINSEL...
分类:其他好文   时间:2014-07-13 22:59:02    阅读次数:299
某单位排队形,开始排成3路纵队,末尾多出2个人,后改称5路纵队,末尾又多出3个人 ,后改成7路纵队,正好没有余数,求单位总人数
这是练习题,没啥难度,留作纪念,记录下来 1 #include 2 using namespace std; 3 int main() 4 { 5 int number; 6 7 for (int i = 0; ; i++) 8 { 9 if (i%3 =...
分类:其他好文   时间:2014-07-13 22:40:44    阅读次数:296
List operations
The + operator concatenates lists: Similarly, the * operator repeats a list a given number of items:List slicesThe slice operator also works...
分类:其他好文   时间:2014-07-13 19:42:02    阅读次数:208
堆排序及其相关操作
这里记录下堆的相关操作。 op 1: ''' @ data: the heap array @ p : index of parent item @ n : number of data @@ Swap p and it's son items, make p the largest of them ''' def swapForMaxHeap(data, n, p): l...
分类:其他好文   时间:2014-07-13 17:07:15    阅读次数:223
【翻译自mos文章】对于每一个文件的 file.id and file.incarnation number,重命名文件别名
对于每一个文件的 file.id and file.incarnation number,重命名文件别名...
分类:其他好文   时间:2014-07-13 15:28:26    阅读次数:233
Leetcode--Reverse Nodes in k-Group
Problem Description: Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k then left-out nodes in the...
分类:其他好文   时间:2014-07-12 19:00:26    阅读次数:235
HDU 1016 Prime Ring Problem 题解
Problem Description A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in two adjacent circles should be a prime...
分类:其他好文   时间:2014-07-12 16:42:15    阅读次数:271
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