Submission #1366324

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Source Code Expand

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Scanner;
import java.util.Set;

public class Main {

	public static void main(String[] args) throws IOException {
		Scanner scan = new Scanner(System.in);
		int n = scan.nextInt();
		ArrayList<Integer> list = new ArrayList<>();
		for(int i=0; i<n; i++){
			list.add(scan.nextInt());
		}
		Set<Integer> set = new HashSet<>(list);
		List<Integer> sort = new ArrayList<>(set);
		Collections.sort(sort);

		System.out.println(sort.get(sort.size()-2));
	}
}

Submission Info

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