結果

問題 No.357 品物の並び替え (Middle)
ユーザー buno15buno15
提出日時 2021-11-06 11:28:45
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 4,222 bytes
コンパイル時間 4,291 ms
コンパイル使用メモリ 80,036 KB
実行使用メモリ 54,360 KB
最終ジャッジ日時 2024-11-07 07:20:26
合計ジャッジ時間 5,307 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge3
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 WA -
testcase_01 AC 54 ms
37,344 KB
testcase_02 WA -
testcase_03 WA -
testcase_04 WA -
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
権限があれば一括ダウンロードができます

ソースコード

diff # 

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

public class Main {

	static final int INF = 1000000000;
	static final long MOD = 1000000007;
	static final double EPS = 1e-10;

	public static void main(String args[]) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		IO io = new IO();

		String str[] = br.readLine().split(" ");

		int n = Integer.parseInt(str[0]);
		int m = Integer.parseInt(str[1]);

		int score[][] = new int[n][n];

		for (int i = 0; i < m; i++) {
			str = br.readLine().split(" ");

			int a = Integer.parseInt(str[0]);
			int b = Integer.parseInt(str[1]);
			int s = Integer.parseInt(str[2]);

			score[a][b] = s;
		}

		int dp[] = new int[(1 << n)];

		dp[0] = 0;

		for (int i = 0; i < n; i++) {
			for (int bit = 0; bit < (1 << n); bit++) {
				if ((bit & (1 << i)) != 0)
					continue;

				int cost = 0;
				for (int j = 0; j < n; j++) {
					if ((bit & (1 << j)) != 0)
						continue;

					cost += score[j][i];
				}

				int now = ((bit | (1 << i)));
				dp[now] = Math.max(dp[now], dp[bit] + cost);
			}
		}

		System.out.println(dp[(1 << n) - 1]);
	}
}

class Pair {
	int to;
	int cost;

	public Pair(int to, int cost) {
		this.to = to;
		this.cost = cost;
	}
}

class IO {
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

	public IO() {

	}

	public void println(String str) {
		System.out.println(str);
	}

	public void printArr(Object o[]) {
		for (int i = 0; i < o.length; i++) {
			System.out.print(o + " ");
		}
		System.out.println();
	}

	public int getInt() throws IOException {
		return Integer.parseInt(br.readLine());
	}

	public long getLong() throws IOException {
		return Long.parseLong(br.readLine());
	}

	public double getDouble() throws IOException {
		return Double.parseDouble(br.readLine());
	}

	public String getLine() throws IOException {
		return br.readLine();
	}

	public int[] getIntArrPrim() throws IOException {
		String str[] = br.readLine().split(" ");
		int a[] = new int[str.length];

		for (int i = 0; i < str.length; i++) {
			a[i] = Integer.parseInt(str[i]);
		}

		return a;
	}

	public Integer[] getIntArr() throws IOException {
		String str[] = br.readLine().split(" ");
		Integer a[] = new Integer[str.length];

		for (int i = 0; i < str.length; i++) {
			a[i] = Integer.parseInt(str[i]);
		}

		return a;
	}

	public Long[] getLongArr() throws IOException {
		String str[] = br.readLine().split(" ");
		Long a[] = new Long[str.length];

		for (int i = 0; i < str.length; i++) {
			a[i] = Long.parseLong(str[i]);
		}

		return a;
	}

	public long[] getLongArrPrim() throws IOException {
		String str[] = br.readLine().split(" ");
		long a[] = new long[str.length];

		for (int i = 0; i < str.length; i++) {
			a[i] = Long.parseLong(str[i]);
		}

		return a;
	}

	public String[] getStrArr(String split) throws IOException {
		return br.readLine().split(split);
	}

	public char[] getCharArr() throws IOException {
		return br.readLine().toCharArray();
	}

	public int[][] getIntMap(int w, int h, String split) throws IOException {
		int a[][] = new int[h][w];

		for (int i = 0; i < h; i++) {
			String str[] = br.readLine().split(split);
			for (int j = 0; j < w; j++) {
				a[i][j] = Integer.parseInt(str[j]);
			}
		}

		return a;
	}

	public long[][] getLongMap(int w, int h, String split) throws IOException {
		long a[][] = new long[h][w];

		for (int i = 0; i < h; i++) {
			String str[] = br.readLine().split(split);
			for (int j = 0; j < w; j++) {
				a[i][j] = Long.parseLong(str[j]);
			}
		}

		return a;
	}

	public double[][] getDoubleMap(int w, int h, String split) throws IOException {
		double a[][] = new double[h][w];

		for (int i = 0; i < h; i++) {
			String str[] = br.readLine().split(split);
			for (int j = 0; j < w; j++) {
				a[i][j] = Double.parseDouble(str[j]);
			}
		}

		return a;
	}

	public char[][] getCharMap(int w, int h, String split) throws IOException {
		char a[][] = new char[h][w];

		for (int i = 0; i < h; i++) {
			String str[] = br.readLine().split(split);
			for (int j = 0; j < w; j++) {
				a[i][j] = str[j].charAt(0);
			}
		}

		return a;
	}
}
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