[백준] 2959번 거북이 문제풀이

 

 

풀이 방법

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

public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
        
        int[] arr = new int[4];
		for(int i=0; i<arr.length; i++) {
			arr[i] = Integer.parseInt(st.nextToken());
		}
		
		Arrays.sort(arr);
		System.out.println(arr[0] * arr[2]);
	}
}