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PLSQL_性能优化系列15_Oracle Connection Management连接管理
2014-09-25 BaoXinjian一、摘要在官方文档《oracle performance tuning guide》中提到Connecting to the database is an expensive operation that is highly unscalable。数据库的连...
分类:数据库   时间:2014-10-14 22:50:39    阅读次数:222
HDU 5063 Operation the Sequence
想法题...
分类:其他好文   时间:2014-10-14 22:26:19    阅读次数:188
HDU 3397 Sequence operation(线段树)
HDU 3397 Sequence operation 题目链接 题意:给定一个01序列,有5种操作 0 a b [a.b]区间置为0 1 a b [a,b]区间置为1 2 a b [a,b]区间0变成1,1变成0 3 a b 查询[a,b]区间1的个数 4 a b 查询[a,b]区间连续1最长的长度 思路:线段树线段合并,需要两个延迟标记一个置为01,一个翻转,然后由...
分类:其他好文   时间:2014-10-13 22:18:57    阅读次数:278
leetcode - Edit Distance
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.) You have the following 3 operations permitted on a word:...
分类:其他好文   时间:2014-10-13 20:08:07    阅读次数:188
HDU - 5036 Operation the Sequence
Problem Description You have an array consisting of n integers: a1=1,a2=2,a3=3,…,an=n. Then give you m operators, you should process all the operators in order. Each operator is one of four types...
分类:其他好文   时间:2014-10-12 22:56:58    阅读次数:311
hdu 5063 Operation the Sequence(Bestcoder Round #13)
Operation the Sequence                                                                     Time Limit: 3000/1500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)                      ...
分类:其他好文   时间:2014-10-12 11:38:17    阅读次数:332
HDU 5063 Operation the Sequence
Operation the SequenceTime Limit: 3000/1500 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 154Accepted Submission(s): 7...
分类:其他好文   时间:2014-10-12 04:19:54    阅读次数:193
HDU 5063 Operation the Sequence(仔细审题)
http://acm.hdu.edu.cn/showproblem.php?pid=5063题目大意: 题目意思还是比较简单。所以就不多少了。注意这句话,对解题有帮助。 Type4: Q i query current value of a[i], this operator will have.....
分类:其他好文   时间:2014-10-12 02:23:37    阅读次数:124
HDU 5063 Operation the Sequence(暴力)
HDU 5063 Operation the Sequence 题目链接 把操作存下来,由于只有50个操作,所以每次把操作逆回去运行一遍,就能求出在原来的数列中的位置,输出即可 代码: #include #include #include using namespace std; typedef long long ll; const int N = 100005;...
分类:其他好文   时间:2014-10-12 00:30:07    阅读次数:262
【HDOJ】5063 Operation the Sequence
1 #include 2 #include 3 #include 4 5 #define MAXN 100005 6 #define MOD 1000000007 7 int que[MAXN], front = 0, rear = 0; 8 int n; 9 10 void query(...
分类:其他好文   时间:2014-10-12 00:27:06    阅读次数:302
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