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Nova分析(1)——整体架构
Conceptual DiagramLogical diagramNova is the most complicated and distributed component of OpenStack. A large number of processes cooperate to turn en...
分类:其他好文   时间:2014-07-30 23:40:55    阅读次数:464
Simple GDB case
to be added...gdb a.out[Inferior 1 (process 9718) exited with code 05](gdb) listLine number 15 out of range; t.c has 14 lines.(gdb) list 11 #include2 ...
分类:数据库   时间:2014-07-30 23:33:25    阅读次数:352
hdu 1005 Number Sequence
这几道题倒写得很顺利,看来这几天还是有点小进步的T_T....这道题最初只是想到可能会出现循环,后来看了个博客的分析,着重有两点1、对于公式 f[n] = A * f[n-1] + B * f[n-2]; 后者只有7 * 7 = 49 种可能,为什么这么说,因为对于f[n-1] 或者 f[n-2] ...
分类:其他好文   时间:2014-07-30 20:22:44    阅读次数:221
测试赛F - Dragon Balls(并查集)
F - Dragon Balls Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Description Five hundred years later, the number of dragon balls will increa...
分类:其他好文   时间:2014-07-30 17:44:23    阅读次数:282
把字符串转换为整数
注意问题: 1)字符串是空指针的情况。 2)如果输入的是一个空字符串“” 3)所有‘0’到‘9’之外的字符都是非法的吗?加号和减号是合法输入。 4) 考虑溢出 #include using namespace std; bool g_value=false; int atoi(char * number){ if(number == NULL || *nu...
分类:其他好文   时间:2014-07-30 17:37:04    阅读次数:182
HDU-1664-Different Digits(BFS)
Problem Description Given a positive integer n, your task is to find a positive integer m, which is a multiple of n, and that m contains the least number of different digits when represented in decim...
分类:其他好文   时间:2014-07-30 14:46:03    阅读次数:230
Single Number I & II
Single Number I 问题描述: Given an array of integers, every element appears twice except for one. Find that single one. 解题思路: 既然除了某个元素出现一次外,其他所有元素都出现两次,那么可以异或数组的所有元素,得到的结果就是我们所要找的那个元素的值。 class Solu...
分类:其他好文   时间:2014-07-30 12:19:53    阅读次数:184
【HackerRank】 Find Digits
Find DigitsProblem StatementGiven a number you have to print how many digits in that number exactly divides that number.Input formatThe first line con...
分类:其他好文   时间:2014-07-30 11:55:13    阅读次数:250
[LeetCode] Sum Root to Leaf Numbers(bfs)
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number.An example is the root-to-leaf path 1->2->3 which...
分类:其他好文   时间:2014-07-30 11:30:33    阅读次数:247
javascript 10进制和62进制的转换
function string10to62(number) { var chars = '0123456789abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ'.split(''), radix = chars.length...
分类:编程语言   时间:2014-07-30 11:27:03    阅读次数:374
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