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【POJ】3468 A Simple Problem with Integers
线段树。段区间,终于完全自己A掉的。 1 #include 2 #include 3 4 #define MAXN 100005 5 #define lson l, mid, rt>1);20 sums[rt>1));21 adds[rt] = 0;22 ...
分类:其他好文   时间:2014-06-06 23:32:27    阅读次数:279
Building SQL Test Cases
For many SQL-related problems, obtaining a reproducible test case makes it easier to resolve the problem. Starting with the 11gRelease 2 (11.2), Oracl...
分类:数据库   时间:2014-06-06 20:04:05    阅读次数:317
poj 1699 Best Sequence
http://poj.org/problem?id=1699题意:给你n个长度为L的序列,求包含这几个序列的最短长度。先预处理每两个序列之间的关系,然后dfs枚举就行。 1 #include 2 #include 3 #include 4 #define maxn 500 5 using na...
分类:其他好文   时间:2014-06-04 16:34:14    阅读次数:255
poj3080解题报告(暴力、最大公共子串)
POJ3080,题目链接http://poj.org/problem?id=3080题意:就是求m个长度为60的字符串的最长连续公共子串,2=3的所有连续子串找出来,然后由短到长查看所有主串是否有该子串。2.如果发现一个公共子串,那么就开始找长度+1的公共子串;如果指定长度的所有子串都找不出一条是共...
分类:其他好文   时间:2014-06-04 16:30:49    阅读次数:246
Get the largest sum of contiguous subarray in an int array
When I finished reading this problem,I thought I could solve it by scan every single subarray in the array,and the time complexity is cubic.Every su.....
分类:其他好文   时间:2014-06-04 15:30:52    阅读次数:255
projecteuler---->problem=14----Longest Collatz sequence
title: The following iterative sequence is defined for the set of positive integers: n n/2 (n is even) n 3n + 1 (n is odd) Using the rule above and starting with 13, we generate the followi...
分类:其他好文   时间:2014-06-04 13:56:33    阅读次数:254
POJ2993——Emag eht htiw Em Pleh
Emag eht htiw Em PlehDescriptionThis problem is a reverse case of the problem 2996. You are given the output of the problem H and your task is to find...
分类:其他好文   时间:2014-06-03 15:33:20    阅读次数:347
poj 3070 Fibonacci
http://poj.org/problem?id=3070矩阵的快速幂,二分 1 #include 2 #include 3 #include 4 #define maxn 10000 5 using namespace std; 6 const int mod=10000; 7 8 in...
分类:其他好文   时间:2014-06-02 19:07:56    阅读次数:304
HDU1342 Lotto 【深搜】
Lotto Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 1411    Accepted Submission(s): 697 Problem Description In a Lotto I have eve...
分类:其他好文   时间:2014-06-02 18:52:53    阅读次数:396
poj 3318 Matrix Multiplication
http://poj.org/problem?id=3318矩阵A*矩阵B是否等于矩阵C 1 #include 2 #include 3 #include 4 #include 5 #define maxn 1010 6 using namespace std; 7 8 int a[max...
分类:其他好文   时间:2014-06-02 18:18:49    阅读次数:255
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