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【LeetCode】172 - Factorial Trailing Zeroes
Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.Solution :计算包含的2和5组成的pair的个数,...
分类:其他好文   时间:2015-08-05 20:01:38    阅读次数:108
poj 2318 TOYS(判点与线段的关系)
TOYS Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 11643   Accepted: 5616 Description Calculate the number of toys that land in each bin of a partitioned...
分类:其他好文   时间:2015-08-05 18:30:41    阅读次数:107
'Invalid update: invalid number of sections. The number of sections contained in the table view aft
问题:(删除tableview中的section时)  Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid update: invalid number of sections.  The number of sections contained in the...
分类:其他好文   时间:2015-08-05 18:24:41    阅读次数:454
Volume serial number could associate file existence on certain volume
When it comes to lnk file analysis, we should put more emphasis on the volume serial number. It could help forensic guys to identify whether files exi...
分类:其他好文   时间:2015-08-05 17:57:17    阅读次数:217
HDU 1969 二分
HDU 1969 Pie(二分法)My birthday is coming up and traditionally I’m serving pie. Not just one pie, no, I have a number N of them, of various tastes and of...
分类:其他好文   时间:2015-08-05 17:55:55    阅读次数:130
Rabin_Karp(hash) HDOJ 1711 Number Sequence
题目传送门 1 /* 2 Rabin_Karp:虽说用KMP更好,但是RK算法好理解。简单说一下RK算法的原理:首先把模式串的哈希值算出来, 3 在文本串里不断更新模式串的长度的哈希值,若相等,则找到了,否则整个模式串的长度的哈希值向右移动一位 4 */ 5 /*********...
分类:其他好文   时间:2015-08-05 17:39:59    阅读次数:100
linux 连接数过多问题
root@kali:~#?firefox? Maximum?number?of?clients?reachedMaximum?number?of?clients?reachedError:?cannot?open?display:?:0.0 如上firefox起不来,报错“Maximum number of clients reachedMaxi...
分类:系统相关   时间:2015-08-05 16:35:22    阅读次数:417
leetcode 题解代码整理 6-10题
ZigZag Conversion The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legi...
分类:其他好文   时间:2015-08-05 16:30:25    阅读次数:200
BZOJ 2748 音量调节
这道题我开始做时想用搜索来做,但是失败了,后来仔细一想发现这就是一个背包问题,之后一切就简单多了。 代码如下: #include #include #include using namespace std; int i_number,i_begin,i_max; int i_change[1001]...
分类:其他好文   时间:2015-08-05 16:15:07    阅读次数:148
codeforces 546D Soldier and Number Game
题意就是求a!/b!的素因子的个数 也就是a!的-b!的 重复的算多次 #include #include #include #include using namespace std; const int maxn = 5000010; bool is_prime[maxn]; int p, mpf[maxn], nf[maxn], sum[maxn]; void...
分类:其他好文   时间:2015-08-05 14:51:36    阅读次数:83
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