Baekjoon Online Judge

algorithm practice

-問題を逐次解く

17.整数論及び組合せ論

2.薬液

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.StringTokenizer;

public class Main{
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		int T = Integer.parseInt(br.readLine());
        
		int min = Integer.MAX_VALUE;
		int max = -1;
        
		StringTokenizer st = new StringTokenizer(br.readLine(), " ");
  
		while(T-- > 0){
			int n = Integer.parseInt(st.nextToken()); 
			if(n > max) max = n;
			if(n < min) min = n;
		}
		System.out.println(max * min);   
	}
}

import sys
T = int(sys.stdin.readline())
A = list(map(int, sys.stdin.readline().split()))
max_num = max(A)
min_num = min(A)
print(max_num * min_num)