There are N integers (1<=N<=65537) A1, A2,.. AN (0<=Ai<=10^9). You need to find amount of such pairs (i, j) that 1<=i<j<=N and A[i]>A[j]. Input The first line of the input contains the number N. The second line contains N numbers A…
这个是逆序对的裸题哇 归并排序或者树状数组~ 树状数组的话需要离散化一下··· emm确实很水很水很水··· 归并排序: #include <cstdio> #include <algorithm> #include <cstring> #include <iostream> using namespace std; +; int a[maxn]; int n; int t[maxn]; long long ans; void merge(int L,int…
求逆序数对 归并排序 #include <cstdio> #include <cstring> #include <cmath> #include <algorithm> using namespace std; int a[71010], b[71010]; long long cnt; void merge_sort(int *A, int x, int y, int *T) { if(y-x > 1) { int m = x+(y-x)/2…
问题描述:客户反映客户端不能登录应用程序时不能连接.环境:AIX 5.3 + Oracle 11gR2解决:远程Telnet到数据库主机,sqlplus / as sysdba 连接后操作正常,表明数据库服务器应该正常,然后在客户端用sqlplus连接数据库提示密码过期错误:ORA-28001: the password has expired,原来是密码过期了.分析:原来Oracle 11g之前的版本默认profile是没有密码过期的限制的,在Oracle 11g中默认的profile启用了密…
Problem Introduction An inversion of a sequence \(a_0,a_1,\cdots,a_{n-1}\) is a pair of indices \(0 \leq i < j < n\) such that \(a_i>a_j\). The number of inversions of a sequence in some sense measures how close the sequence is to being sorted. F…
水概率....SGU里难得的水题.... 495. Kids and Prizes Time limit per test: 0.5 second(s)Memory limit: 262144 kilobytes input: standardoutput: standard ICPC (International Cardboard Producing Company) is in the business of producing cardboard boxes. Recently the…
sgu 101 - Domino Time Limit:250MS Memory Limit:4096KB 64bit IO Format:%I64d & %I64u Description Dominoes – game played with small, rectangular blocks of wood or other material, each identified by a number of dots, or pips, on its face. The bl…
题目链接:http://acm.sgu.ru/problem.php?contest=0&problem=455 Due to the slow 'mod' and 'div' operations with int64 type, all Delphi solutions for the problem 455 (Sequence analysis) run much slower than the same code written in C++ or Java. We do not gua…
paip.语义分析--单字词形容词表180个 INSERT INTO t (word) SELECT DISTINCT word FROM `word_main` where tsisin is not null and tsisin like '%adj%' and LENGTH(word)=3 order by CONVERT(word USING gbk) ASC limit 10000 mysq按照拼音排序 排除重复 select * from t_n where wo…
104. Little shop of flowers time limit per test: 0.25 sec. memory limit per test: 4096 KB 问题: 你想要将你的花窗安排得最具美感.有F束花,每一束花都不一样,至少有F个按顺序排成一行的花瓶.花瓶从左到右,依次编号1-V.而花放置的位置是可以改变的,花依次编号1到F.花的序号有一个特征,即是序号决定了花束出现在花瓶里的顺序.例如,有两束花编号i和j,满足i<j,那么i所在的花瓶一定要在j所在花瓶的左边,即是i…
H - The equation Time Limit:250MS Memory Limit:4096KB 64bit IO Format:%I64d & %I64u Submit Status Practice SGU 106 Description There is an equation ax + by + c = 0. Given a,b,c,x1,x2,y1,y2 you must determine, how many integer roots of this eq…