2019 Multi-University Training Contest 9 Rikka with Cake(离散化做法和动态开点做法)Rikka with Cake
Rikka with Cake答案线段相交个数加1扫描线求交点个数离散化做法:#include<bits/stdc++.h>#define rep(i,a,b) for(int i=a;i<=(b);++i)#define mem(a,x) memset(a,x,sizeof(a))#define pb push_backusing namespace ...
通过java api操作hdfs(kerberos认证)
参考代码如下import java.net.URI;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.*;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.io.Text;import org.apache.had...
CentOS 6 启动流程详细介绍
CentOS 6 启动流程详细介绍
1、 POST(Power On Selt Test) 上电自检:
按下电源键首先要检测硬件设备是
非jQuery实现照片散落桌子上,单击放大的LightBox效果
效果图如下
Demo地址http: xueduany github io KitJs KitJs demo Lightbox-Gallery demo html
实现原理很简单