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Q6603.java
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Q6603.java
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package forRank;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.StringTokenizer;
public class Q6603 {
private static int N;
private static int numbers[];
private static ArrayList<Integer> tmp;
private static BufferedWriter bw;
private static void print() throws IOException{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 6; i++)
sb.append(tmp.get(i) + " ");
bw.write(sb.toString().trim() + "\n");
}
private static void getCase(int cnt, int preVal) throws IOException{
if(cnt == 6){
print();
return;
}
for (int i = 0; i < N; i++) {
if(!tmp.contains(numbers[i]) && numbers[i] > preVal){
tmp.add(numbers[i]);
getCase(cnt + 1, numbers[i]);
tmp.remove((Integer)numbers[i]);
}
}
}
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
bw = new BufferedWriter(new OutputStreamWriter(System.out));
tmp = new ArrayList<Integer>();
while(true){
StringTokenizer st = new StringTokenizer(br.readLine());
N = Integer.parseInt(st.nextToken());
if(N == 0)
break;
numbers = new int[N];
for (int i = 0; i < N; i++)
numbers[i] = Integer.parseInt(st.nextToken());
getCase(0, 0);
bw.write("\n");
}
br.close();
bw.close();
}
}