akusokuzan - 経済統計練習帳

package rank3;
 
 
import tool.readfile;
import java.io.*;
 
 
 
public class pro {
 
    int s,datanumber;
    String[] data=new String[500000];
  String[] dic=new String[50000];
   String[] dic_code=new String[50000];
      String[] artist=new String[500000];
        String[] code=new String[500000];
      int number;
  int[] point=new int[50000];
      int[] v=new int[50000]; 
   int dicnumber=0;
      int[] rank=new int[50000];
 
    public static void main(String[] args) {
        pro u=new pro();
    }
    pro(){
 
 
 
 
   readx("p4.csv");
 
  for(s=1;s<datanumber+1;s++){     
  String[] x=data[s].split(",");
artist[s]="";
  if(x.length==4)  artist[s]=x[2];
   if(x.length==4)  code[s]=x[3];
  }
 
  int sx;
 
 
      for(s=1;s<datanumber+1;s++){
       int h=0;
       for(sx=1;sx<dicnumber+1;sx++){
       if(artist[s].equals(dic[sx]))h=100;
        }
       if(h<50)dicnumber=dicnumber+1;
       if(h<50)dic[dicnumber]=artist[s];
        if(h<50)dic_code[dicnumber]=code[s];
      }
 
 
   System.out.println(dic[1]);      
 
 
       for(s=1;s<datanumber+1;s++){
       for(sx=1;sx<dicnumber+1;sx++){
       if(artist[s].equals(dic[sx]))point[sx]=point[sx]+1;
        }
        }
 
       ranking();
 
       for(s=1;s<3001;s++){
       sx=rank[s];
       System.out.println(dic[sx]+","+dic_code[sx]+","+point[sx]);
        }
 
 
 
 
 
 
    }
 
 
 
 
 
        void readx(String file){
 
String str;
BufferedReader br;  
int s;
s=0;
try {
br = new BufferedReader(new InputStreamReader(new FileInputStream(file),"UTF-8"));  
while((str = br.readLine()) != null) {  
s=s+1;
data[s]=str;  
}
br.close();
} catch (IOException e) {System.out.println(e);}  
 
datanumber=s;
 
} 
 
 
 
     void ranking(){ 
 
int r,s,sx,h; 
int[] ch=new int[80000];
double maxu;
 
    for (r = 1; r < 3001; r++) {
        sx = 0;
        maxu = -999999;
        for (s = 1; s < dicnumber + 1; s++) {
            h = 0;
            if (point[s] > maxu) h = h + 1;
            if (ch[s] < 50) h = h + 1;
            if (h == 2) maxu =point[s];
            if (h == 2) sx = s;
        }
        rank[r] = sx;
        ch[sx] = 100;
    }
 
 
}
     int num_int(String str){
 
    int nx;
 
    nx=0;
 
 try{
 
    nx=Integer.parseInt(str);
 
 }catch (Exception e) {}
 
 return nx;
 
 
 
}
 
}