<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[rightwi的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/rightwi</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; rightwi]]></copyright><item><title><![CDATA[SparkStreaming找不到reduceByKey的解决方法]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/47728529</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/47728529</guid><author>rightwi</author><pubDate>Mon, 17 Aug 2015 17:59:25 +0800</pubDate><description><![CDATA[别人的在这里

http://www.68idc.cn/help/jiabenmake/qita/20150115172034.html
我也遇到同样的问题，我是spark1.0.2，也可能和版本有关，因为我1.3.0的时候不出错。
根据别人的分析，问题应该是隐式转换




Scala会将DStream隐式转换成PairDStreamFunctions，该类中有K/V数据类型相]]></description><category></category></item><item><title><![CDATA[scala的下划线用法]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/46603635</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/46603635</guid><author>rightwi</author><pubDate>Tue, 23 Jun 2015 11:05:05 +0800</pubDate><description><![CDATA[几个用处：


1、作为“通配符”，类似Java中的*。如import scala.math._

2、:_*作为一个整体，告诉编译器你希望将某个参数当作参数序列处理！例如val s = sum(1 to 5:_*)就是将1 to 5当作参数序列处理。

3、指代一个集合中的每个元素。例如我们要在一个Array a中筛出偶数，并乘以2，可以用以下办法：
a.filter(_%2==]]></description><category></category></item><item><title><![CDATA[1037 Magic Coupon (25)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/20145527</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/20145527</guid><author>rightwi</author><pubDate>Fri, 28 Feb 2014 16:47:29 +0800</pubDate><description><![CDATA[#include
#include
#include
using namespace std;
class CA
{
public:
 void run();
private:
 int nc,np,max;
 vector cou;
 vector couf;
 vector pro;
 vector prof;
};
void CA::run()
{
 cin]]></description><category></category></item><item><title><![CDATA[1020 Tree Traversals (25)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/20138213</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/20138213</guid><author>rightwi</author><pubDate>Fri, 28 Feb 2014 15:19:33 +0800</pubDate><description><![CDATA[#include 
#include 
#include 
#include 
#include 
using namespace std;
class A
{
public:
 struct node 
 {
  int no;
  node *lchild;
  node *rchild;
 };
 void init();
 void run();
 voi]]></description><category></category></item><item><title><![CDATA[1019 General Palindromic Number (20)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/20138157</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/20138157</guid><author>rightwi</author><pubDate>Fri, 28 Feb 2014 15:18:40 +0800</pubDate><description><![CDATA[#include 
using namespace std;
class A
{
public:
enum{N=100};
void init();
void run();
bool ispalindromic();
int digit,base;
int ar[N],n;
};
bool A::ispalindromic()
{
int i,j;
i=0;j=n-1]]></description><category></category></item><item><title><![CDATA[可以参考这几个人的博客]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/20073405</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/20073405</guid><author>rightwi</author><pubDate>Thu, 27 Feb 2014 21:18:56 +0800</pubDate><description><![CDATA[http://blog.youkuaiyun.com/sunbaigui/article/category/1361816


http://blog.youkuaiyun.com/lv_zj/article/category/1740669      lv_zj]]></description><category></category></item><item><title><![CDATA[1036	Boys vs Girls (25)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/20056793</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/20056793</guid><author>rightwi</author><pubDate>Thu, 27 Feb 2014 16:19:37 +0800</pubDate><description><![CDATA[这个题太简单
 
#include
#include
#include
#include
#include
using namespace std;
class CA
{
public:
 void run();
private:
 int n;
 struct stu
 {
  string name;
  char gender;
  string id;]]></description><category></category></item><item><title><![CDATA[1035. Password (20)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/20053749</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/20053749</guid><author>rightwi</author><pubDate>Thu, 27 Feb 2014 15:35:56 +0800</pubDate><description><![CDATA[这里注意，函数的参数string类型 &号表示，里面的值会改变！！！
#include
#include
#include
#include
using namespace std;
class CA
{
public:
 enum{N=1001};
 void run();
 bool change(string &st);
private:
 int n,m,coun]]></description><category></category></item><item><title><![CDATA[1034. Head of a Gang (30) (我自己写的程序前后可能出现不合并的情况，参考程序好，简单实用)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/20050961</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/20050961</guid><author>rightwi</author><pubDate>Thu, 27 Feb 2014 14:54:38 +0800</pubDate><description><![CDATA[http://blog.youkuaiyun.com/lv_zj/article/details/16115641



#include 
#include 
#include 
#include 
using namespace std;






class CA
{
public:
void run();
void addmap(string &s1,strin]]></description><category></category></item><item><title><![CDATA[1033 . To Fill or Not to Fill (25) （想明白了没写出来，参考吧）]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/20004959</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/20004959</guid><author>rightwi</author><pubDate>Wed, 26 Feb 2014 22:12:23 +0800</pubDate><description><![CDATA[http://blog.youkuaiyun.com/lv_zj/article/details/16115569
 
#include 
#include 
#include 
using namespace std;
class CA
{
public:
 class cstation
 {
 public:
  int point,addlen;
  double price;]]></description><category></category></item><item><title><![CDATA[1032 1032. Sharing (25)（自己写的超时了，参考的方法好。用标记来看是否已经检查过这个点）]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19982399</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19982399</guid><author>rightwi</author><pubDate>Wed, 26 Feb 2014 15:35:58 +0800</pubDate><description><![CDATA[#include 
#include 
using namespace std;
class CA
{
public:
 enum{N=100000};
 void run();
 int ar[N],addr1,addr2,n;
 bool b[N];
};
void CA::run()
{
 n=N;
 fill_n(ar,n,-1);
 fill_n(b,n,f]]></description><category></category></item><item><title><![CDATA[1031 . Hello World for U (20)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19976939</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19976939</guid><author>rightwi</author><pubDate>Wed, 26 Feb 2014 14:10:59 +0800</pubDate><description><![CDATA[#include
#include
#include
#include  
using namespace std;
class CA
{
public:
 enum{N=30};
 void run();
private:
 char st[100];
 int n;
};
void CA::run()
{
 cin>>st;
 int i,j,k,n1,n2;]]></description><category></category></item><item><title><![CDATA[1030 Travel Plan (30)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19974401</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19974401</guid><author>rightwi</author><pubDate>Wed, 26 Feb 2014 13:24:30 +0800</pubDate><description><![CDATA[#include
#include
#include
#include
using namespace std;


class CA
{
public:
enum{N=500,INF=0x7FFFFFFF/2};
//void init();
void run();
void getshortestlen();
void minimumcost(int c1,int ]]></description><category></category></item><item><title><![CDATA[1029 Median (25)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19933473</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19933473</guid><author>rightwi</author><pubDate>Tue, 25 Feb 2014 21:26:42 +0800</pubDate><description><![CDATA[自己做的运行超时
参考http://blog.youkuaiyun.com/sunbaigui/article/details/8657126




#include
#include


int main()
{
int n1, n2;
while(scanf("%d",&n1)!=EOF)
{
std::vector a, b;
for(int i = 0; i 
{]]></description><category></category></item><item><title><![CDATA[1028 List Sorting (25)（友元函数的使用）]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19928779</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19928779</guid><author>rightwi</author><pubDate>Tue, 25 Feb 2014 19:21:44 +0800</pubDate><description><![CDATA[自己写的用超时。
以下为他人做的，不超时
http://blog.youkuaiyun.com/lv_zj/article/details/16114247
#include 
#include 
#include 
class cstudent
{
public:
 int id;
 char name[10];
 int score;
 friend bool IdCmp(cons]]></description><category></category></item><item><title><![CDATA[1027 Colors in Mars (20)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19928665</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19928665</guid><author>rightwi</author><pubDate>Tue, 25 Feb 2014 19:17:57 +0800</pubDate><description><![CDATA[#include
#include
#include
using namespace std;


class CA
{
public:
void run();
char earthtomars(int a);
private:
int a[3];
char b[7];
};


void CA::run()
{
cin>>a[0]>>a[1]>>a[2];]]></description><category></category></item><item><title><![CDATA[1026   Table Tennis (30)完全不会]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19928641</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19928641</guid><author>rightwi</author><pubDate>Tue, 25 Feb 2014 19:16:50 +0800</pubDate><description><![CDATA[#include 
#include 
#include 
#include 
#include 
#include 
using namespace std;
class ctable
{
public:
enum{opentime=8*3600,closetime=21*3600};
int curtime;
int vip;
int servernum;
ctab]]></description><category></category></item><item><title><![CDATA[1025 PAT Ranking (25)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19843563</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19843563</guid><author>rightwi</author><pubDate>Mon, 24 Feb 2014 21:12:22 +0800</pubDate><description><![CDATA[这里第一次自己尝试了map，以及iterator，这里主要最后的imp输出要用cout不能用printf，不知为何。string类型可以直接>或
#include
#include
#include
#include
#include
#include
using namespace std;
class CA
{
public:
 enum{N=102,K=302};]]></description><category></category></item><item><title><![CDATA[1024 Palindromic Number (25)（i取到0，也取到s.size()-1,vector的时候i也是取到size（）-1）]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19831415</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19831415</guid><author>rightwi</author><pubDate>Mon, 24 Feb 2014 16:59:31 +0800</pubDate><description><![CDATA[#include
#include
#include
#include
using namespace std;
class CA
{
public:
 void run();
 bool palindromic();
private:
 vector zheng,fan,ans;
 int k;
};
void CA::run()
{
 string st;
 ]]></description><category></category></item><item><title><![CDATA[1023 Have Fun with Numbers (20)(vector<int> di,di读取string里的数字)]]></title><link>https://blog.youkuaiyun.com/rightwi/article/details/19825859</link><guid>https://blog.youkuaiyun.com/rightwi/article/details/19825859</guid><author>rightwi</author><pubDate>Mon, 24 Feb 2014 15:37:59 +0800</pubDate><description><![CDATA[#include
#include
#include
#include
#include
using namespace std;
class CA
{
public:
 enum{N=21};
 void run();
private:
 vector di,di2,diout;
};
void CA::run()
{
 string s;
 getline(c]]></description><category></category></item></channel></rss>