Created
April 26, 2016 08:20
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import java.util.ArrayList; | |
import java.util.Collections; | |
import java.util.HashSet; | |
import java.util.LinkedHashSet; | |
import java.util.List; | |
import java.util.Scanner; | |
import java.util.Set; | |
public class Main { | |
public static void main(String[] args) { | |
Scanner sc=new Scanner(System.in); | |
int A1,A2,B1,B2; | |
A1=sc.nextInt(); | |
A2=sc.nextInt(); | |
B1=sc.nextInt(); | |
B2=sc.nextInt(); | |
int C=sc.nextInt(); | |
Set<Integer> A=new HashSet<>(); | |
Set<Integer> B =new HashSet<>(); | |
A.add(A1); | |
A.add(A2); | |
B.add(B1); | |
B.add(B2); | |
Set<Integer> res=new LinkedHashSet<Integer>(); | |
if(A.contains(C) && B.contains(C)){ | |
res.addAll(A); | |
res.addAll(B); | |
}else if(A.contains(C)){ | |
res.addAll(B); | |
}else{ | |
res.addAll(A); | |
} | |
List<Integer> list=new ArrayList<>(); | |
list.addAll(res); | |
Collections.sort(list); | |
System.out.println(list.size()); | |
for (Integer integer : list) { | |
System.out.println(integer); | |
} | |
} | |
} |
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