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poj 1269 Intersecting Lines(判相交交点与平行)
http://poj.org/problem?id=1269Time Limit:1000MSMemory Limit:10000KTotal Submissions:10379Accepted:4651DescriptionWe all know that a pair of distinct p...
分类:其他好文   时间:2014-07-22 22:53:16    阅读次数:314
ZOJ1204——Additive equations(DFS)
Additive equationsDescription We all understand that an integer set is a collection of distinct integers. Now the question is: given an integer set...
分类:其他好文   时间:2014-07-21 09:35:45    阅读次数:293
SPOJ 10232. Distinct Primes
Arithmancy is Draco Malfoy's favorite subject, but what spoils it for him is that Hermione Granger is in his class, and she is better than him at it. ...
分类:其他好文   时间:2014-07-21 08:34:51    阅读次数:639
SQL_server 的基本操作
1.---------------数据库基本操作主键 : 1.不重复 2.不为NULL外键1.取消重复行(消除完全一样的行,保留一行)select distinct cloumname1,cloumname2 from tablename 2.区间查询(两种是一个意思)select * from e...
分类:数据库   时间:2014-07-21 08:30:19    阅读次数:218
Hive语法层面优化之五分析执行计划追踪导致数据倾斜的原因
count(distinct key)案例explain select count(distinct session_id) from trackinfo where ds=' 2013-07-21' ;STAGE DEPENDENCIES: Stage-1 is a root stage St.....
分类:其他好文   时间:2014-07-20 22:16:56    阅读次数:347
POJ 2533 Longest Ordered Subsequence
题意:求最长递增子序列 AC代码:#include #include #include using namespace std; int dp[1010],a[1010]; int main() { int i,j,n; scanf("%d",&n); for(i=0;i<n;i++) scanf("%d",&a[i]); for(i=0;...
分类:其他好文   时间:2014-07-20 10:28:31    阅读次数:235
POJ - 1458 Common Subsequence
最长公共子序列求解问题。 1 #include 2 #include 3 const int maxn=1000; 4 char s1[maxn],s2[maxn]; 5 int c[maxn][maxn]; 6 int main() 7 { 8 while(scanf("%s%s",s1,...
分类:其他好文   时间:2014-07-19 14:30:43    阅读次数:223
POJ2533 Longest Ordered Subsequence 【最长递增子序列】
Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 32192   Accepted: 14093 Description A numeric sequence of ai is ordered if a1 a...
分类:其他好文   时间:2014-07-19 11:47:53    阅读次数:169
POJ1458 Common Subsequence 【最长公共子序列】
Common Subsequence Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 37614   Accepted: 15058 Description A subsequence of a given sequence is the given seque...
分类:其他好文   时间:2014-07-19 11:17:54    阅读次数:218
POJ 2533 Longest Ordered Subsequence DP
Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 32192   Accepted: 14093 Description A numeric sequence of ai is ordered if a1 a2...
分类:其他好文   时间:2014-07-19 11:11:54    阅读次数:159
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