William F. Buckley.Jr 曾经说过,“保守主义者是那些逆着历史潮流不断喊停的人,其他人都不愿意这么做或者对他们这么做显得没有耐性”.虽然我对此了解不多,但是每次看到有Java开发人员做以下事情或者我自己被迫做这些事情时,总想跳出来叫停. 遍历结果集并构造对象 while (result.next()) { String name = result.getString(“name”); String address = result.getString(“address”); S…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1176 免费馅饼 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 38193 Accepted Submission(s): 13056 Problem Description 都说天上不会掉馅饼,但有一天gameboy正走在回家的小径上…
Problem Description The inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i < j and ai > aj. For a given sequence of numbers a1, a2, ..., an, if we move the first m >= 0 numbers to the end of…
题目:https://www.luogu.org/problemnew/show/P4660 https://www.lydsy.com/JudgeOnline/problem.php?id=1168 自己一开始有这样的想法:枚举一边的手套一定选到 S 集合,设 c = 选到 S 里每个手套的最小需要选的手套个数,则 c = 这边所有手套个数 - (S里个数最小的手套个数-1) . 设 ts = 另一边一定选到 S 集合里的至少一个手套的最小需要选的手套个数,则 ts = 不在 S 集合里的手套…
#include<bits/stdc++.h> #define R register int using namespace std; const int inf=0x3f3f3f3f; inline int read() { ,f=;char ch=getchar(); ,ch=getchar(); )+(x<<)+ch-',ch=getchar(); return x*f; } ][]; int main() { n=read();m=read();k=read(); ;i&l…