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题目1004:Median
题目描述: Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1={11, 12, 13, 14} is...
分类:其他好文   时间:2014-07-22 22:48:53    阅读次数:207
Oracle 序列的应用
Oracle创建序列,删除序列,得到序列序列的创建create sequence seq_newsId increment by 1 start with 1 maxvalue 999999999;得到序列的SQL语句select seq_newsid.nextval from sys.dual;删...
分类:数据库   时间:2014-07-22 22:44:32    阅读次数:272
UVA 10689 - Yet another Number Sequence(矩阵快速幂)
UVA 10689 - Yet another Number Sequence 题目链接 题意:斐波那契给前两项,求出第n项,并保留m位 思路:挺裸的矩阵快速幂,就是取模的值是10^m 代码: #include #include const int mod[5] = {0, 10, 100, 1000, 10000}; int t, a, b, n, m; s...
分类:其他好文   时间:2014-07-22 00:31:37    阅读次数:279
POJ 2478 Farey Sequence
DescriptionThe Farey Sequence Fn for any integer n with n >= 2 is the set of irreducible rational numbers a/b with 0 < a < b <= n and gcd(a,b) = 1 arr...
分类:其他好文   时间:2014-07-22 00:20:35    阅读次数:283
php文件锁
bool flock ( int handle, int operation [, int &wouldblock] );flock() 操作的 handle 必须是一个已经打开的文件指针。operation 可以是以下值之一:要取得共享锁定(读取程序),将 operation 设为 LOCK_SH...
分类:Web程序   时间:2014-07-22 00:07:34    阅读次数:278
hdu 1711 Number Sequence
直接套KMP模板 #include #include #include using namespace std; int s[1000005],w[10005],next[10005]; int b,c; void show() { int i,j; i=0; next[0]=-1; j=-1; while(i<c) { if(j=...
分类:其他好文   时间:2014-07-21 23:29:03    阅读次数:334
UVa 10069 Distinct Subsequences(大数+DP)
Distinct Subsequences A subsequence of a given sequence is just the given sequence with some elements (possibly none) left out. Formally, given a sequence X = x1x2…xm, another sequence Z = z1...
分类:其他好文   时间:2014-07-21 15:44:16    阅读次数:244
HDU 3397 Sequence operation (线段树,成段更新,区间合并)
http://acm.hdu.edu.cn/showproblem.php?pid=3397 Sequence operation Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 5801    Accepted Subm...
分类:其他好文   时间:2014-07-21 11:45:44    阅读次数:244
hdu4632Palindrome subsequence (求回文数,区间DP)
Problem Description In mathematics, a subsequence is a sequence that can be derived from another sequence by deleting some elements without changing the order of the remaining elements. For example, ...
分类:其他好文   时间:2014-07-21 11:13:44    阅读次数:270
hdu3280Equal Sum Partitions (区间DP)
Problem Description An equal sum partition of a sequence of numbers is a grouping of the numbers (in the same order as the original sequence) in such a way that each group has the same sum. For examp...
分类:其他好文   时间:2014-07-20 15:42:42    阅读次数:256
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