[JAVA-자바] 18111번: 마인크래프트

 

소스코드:

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

public class Main {
    static BufferedReader br;
    static BufferedWriter bw;

    static int height, width, startBlock;
    static int minHeight, maxHeight;

    static int[][] board;

    public static void main(String[] args) throws IOException {
        br = new BufferedReader(new InputStreamReader(System.in));
        bw = new BufferedWriter(new OutputStreamWriter(System.out));

        StringTokenizer st = new StringTokenizer(br.readLine());
        height = Integer.parseInt(st.nextToken());
        width = Integer.parseInt(st.nextToken());
        startBlock = Integer.parseInt(st.nextToken());

        board = new int[height][width];

        minHeight = Integer.MAX_VALUE;
        maxHeight = Integer.MIN_VALUE;

        for (int y = 0; y < height; y++) {
            st = new StringTokenizer(br.readLine());
            for (int x = 0; x < width; x++) {
                board[y][x] = Integer.parseInt(st.nextToken());
                minHeight = Math.min(minHeight, board[y][x]);
                maxHeight = Math.max(maxHeight, board[y][x]);
            }
        }
        br.close();

        int r_height = 0;
        int r_time = Integer.MAX_VALUE;

        for (int t_height = minHeight; t_height <= maxHeight; t_height++) {
            int deleteBlock = 0; // 지운거
            int addBlock = 0; // 쌓은거

            for (int y = 0; y < height; y++) {
                for (int x = 0; x < width; x++) {
                    int current = board[y][x];
                    if (current > t_height) {
                        deleteBlock += current - t_height;
                    } else {
                        addBlock += t_height - current;
                    }
                }
            }

            if ((deleteBlock + startBlock) >= addBlock) { // 가능
                int need = (2 * deleteBlock) + addBlock;
                if (r_time >= need) {
                    r_time = need;
                    r_height = Math.max(r_height, t_height);
                }
            }

        }

        bw.write(r_time + " " + r_height + "\n");
        bw.close();
    }
}

 

글의 내용 중 잘못된 점이나 수정이 필요한 부분, 혹은 궁금한 사항이 있다면 언제든 댓글로 남겨주시면 감사하겠습니다.

여러분의 피드백은 더 나은 글을 작성하는 데 큰 도움이 됩니다. 감사합니다.