1 ๋ถ„ ์†Œ์š”

๐Ÿ“ [S4_2477] ์ฐธ์™ธ๋ฐญ

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

public class Main {
    static StringTokenizer st;
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        // ์ฐธ์™ธ์˜ ๊ฐœ์ˆ˜
        int K = Integer.parseInt(br.readLine());

        // ๋ฐฉํ–ฅ๊ณผ ๊ธธ์ด ๋ฐฐ์—ด ์ €์žฅ
        int[][] arr = new int[6][2];

        // ์ž…๋ ฅ
        for(int i =0; i<6; i++){
            st = new StringTokenizer(br.readLine(), " ");

            int input = Integer.parseInt(st.nextToken());
            int input_l = Integer.parseInt(st.nextToken());

            arr[i][0] = input;
            arr[i][1] = input_l;
        }

        // ์ด ํ•ฉ
        int sum = 0;

        // ์ œ์ผ ํฐ ๋„“์ด
        int max = Integer.MIN_VALUE;

        for(int i=1; i<7; i++){
            int area = 0;
            if(i == 6){
                area = arr[0][1] * arr[i-1][1];
            }
            else {
                // ์‚ฌ๊ฐํ˜• ๋„“์ด
                area = arr[i][1] * arr[i - 1][1];
            }
            // ์ œ์ผ ํฐ ๋„“์ด ๊ตฌํ•˜๊ธฐ = ๊ธฐ์ค€์ด ๋˜๋Š” ์‚ฌ๊ฐํ˜•
            max = Math.max(max, area);

            // ์‚ฌ๊ฐํ˜•์˜ ๋ชจ๋“  ๋„“์ด ๋‹ค ๋”ํ•˜๊ธฐ
            sum += area;
        }

        // ๊ฒฐ๊ณผ
        int res = (max-((max*3)-sum));

        res *= K;

        System.out.println(res);
    }
}

๐Ÿค” ๋‚˜์˜ ์ƒ๊ฐ


์ฒ˜์Œ์— ๋„“์ด๋ฅผ ๊ตฌํ•ด์•ผ ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์ „์ฒด ๊ณต๊ฐ„์—์„œ ๋นˆ ๊ณต๊ฐ„์„ ๋นผ๋Š” ๋ฐฉ๋ฒ•์„ ์„ ํƒํ–ˆ๋‹ค.
๊ทธ๋ž˜์„œ ์กฐ๊ฑด์„ ๋‹ฌ๋ฉฐ ์ ‘๊ทผํ–ˆ๋Š”๋ฐ ์กฐ๊ฑด์ด ๋„ˆ๋ฌด ๋งŽ์ด ๋‹ฌ๋ ค์„œ ์ˆ˜ํ•™์ ์ธ ๋ฐฉ๋ฒ•์„ ์ฐพ์•„๋‚˜์„ฐ๋‹ค.
๊ทธ๋ ‡๊ฒŒ ์ฐพ์•„๋‚ธ ๊ฒฐ๊ณผ ์ „์ฒด ๋„“์ด์—์„œ 3์„ ๊ณฑํ•œ ๊ฐ’์„ ๋ชจ๋“  ๋ณ€ ๋งˆ๋‹ค์˜ ์ง์‚ฌ๊ฐํ˜•์„ ๊ตฌํ•œ ๋’ค ๋นผ์ฃผ์—ˆ๋‹ค.
๊ทธ๋ฆฌ๊ณ  ๊ทธ ๊ฐ’์„ ์ „์ฒด ๋„“์ด์—์„œ ๋นผ์ฃผ๋ฉด ๋นˆ ๊ณต๊ฐ„์„ ์ œ์™ธํ•œ ๋„“์ด๊ฐ€ ๋œ๋‹ค. ๊ฑฐ๊ธฐ์—์„œ N์„ ๊ณฑํ•˜์—ฌ ์ „์ฒด ์ฐธ์™ธ ๊ฐœ์ˆ˜๋ฅผ ๊ตฌํ•ด์ฃผ์—ˆ๋‹ค.
์•ฝ๊ฐ„ ์ด๋Ÿฐ ๋ฌธ์ œ๋“ค์€ ์ˆ˜ํ•™์ ์œผ๋กœ ์ ‘๊ทผํ•˜๋Š” ๊ฒƒ์ด ์ฝ”๋“œ๋„ ๋” ๊น”๋”ํ•ด์ง€๊ณ  ๊ฐ„๋‹จํ•ด ์ง€๋Š” ๊ฒƒ ๊ฐ™๋‹ค.
์•ž์œผ๋กœ ์ด๋Ÿฐ ๋ฌธ์ œ๋“ค์€ ๋ง‰ ์‹œ์ž‘ํ•˜๊ธฐ ๋ณด๋‹จ ์ƒ๊ฐํ•˜๊ณ  ์ˆ˜ํ•™์ ์œผ๋กœ ์ ‘๊ทผํ•ด๋ณด์ž !!

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