[BJ] 2477 참외밭 - JAVA

1. 문제 유형 : 수학, 구현

2. 시간복잡도 : O(1)

 

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

public class Main {

	public static void main(String[] args) throws NumberFormatException, IOException {
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		int K = Integer.parseInt(in.readLine());
		int[][] arr = new int[6][2];
		int height = -1, width = -1;
		StringTokenizer st = null;
		for (int i = 0; i < 6; i++) {
			st = new StringTokenizer(in.readLine());
			int dir = Integer.parseInt(st.nextToken());
			int length = Integer.parseInt(st.nextToken());
			arr[i] = new int[]{dir, length};
			if(dir == 1 || dir == 2) {
				width = Math.max(length, width);
			}else {
				height = Math.max(length, height);
			}
		}
		
		int blank = 1;
		for (int i = 0; i < 6; i++) {
			int sum;
			if(i == 0) {
				sum = arr[arr.length-1][1] + arr[i+1][1];
			}else if(i == 5) {
				sum = arr[i-1][1] + arr[0][1];
			}else {
				sum = arr[i-1][1] + arr[i+1][1];
			}
			if(arr[i][0] == 1 || arr[i][0] == 2) {
				if(sum == height) blank *= arr[i][1];
			}else {
				if(sum == width) blank *= arr[i][1];
			}
		}
		
		System.out.println((height*width - blank) * K);
	}

}