#99162 (Java21) No.3 ビットすごろく

• 問題: No.3 ビットすごろく
• ユーザー: Elphelt
• 提出日時: 2016-06-20 14:10:03
• 言語: Java21 (openjdk 21)
• 結果: WA
• 実行時間: -
• コード長: 2,695 bytes
• コンパイル時間: 2,740 ms
• コンパイル使用メモリ: 78,812 KB
• 実行使用メモリ: 50,944 KB
• 最終ジャッジ日時: 2024-10-11 05:27:13
• 合計ジャッジ時間: 6,036 ms
• ジャッジサーバーID （参考情報）: judge5 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	55 ms; 36,816 KB
testcase_01	AC	54 ms; 36,792 KB
testcase_02	AC	54 ms; 36,632 KB
testcase_03	AC	57 ms; 36,628 KB
testcase_04	WA	-
testcase_05	AC	62 ms; 37,120 KB
testcase_06	AC	57 ms; 36,992 KB
testcase_07	WA	-
testcase_08	WA	-
testcase_09	WA	-
testcase_10	WA	-
testcase_11	WA	-
testcase_12	AC	60 ms; 37,100 KB
testcase_13	AC	58 ms; 36,972 KB
testcase_14	AC	65 ms; 37,456 KB
testcase_15	AC	65 ms; 37,304 KB
testcase_16	WA	-
testcase_17	WA	-
testcase_18	WA	-
testcase_19	WA	-
testcase_20	WA	-
testcase_21	AC	54 ms; 37,060 KB
testcase_22	AC	64 ms; 37,372 KB
testcase_23	AC	64 ms; 37,588 KB
testcase_24	WA	-
testcase_25	WA	-
testcase_26	AC	53 ms; 36,788 KB
testcase_27	WA	-
testcase_28	WA	-
testcase_29	WA	-
testcase_30	AC	54 ms; 36,764 KB
testcase_31	WA	-
testcase_32	WA	-

ソースコード

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Queue;

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

		proconScan proScan = new proconScan(" ");
		Integer A = proScan.scanInteger1();
		Integer[] visited = new Integer[A + 1];
		Arrays.fill(visited, 0);
		visited[1] = 1;
		Queue<Integer> q = new ArrayDeque<>();
		q.add(1);
		Integer u, move, v1, v2;
		while (!q.isEmpty()) {
			u = q.poll();
			if (u == A) {
				System.out.println(visited[u]);
				proScan.proconEnd();
				return;
			}
			move = Integer.bitCount(u);
			v1 = u + move;
			if (v1 <= A && visited[v1] == 0) {
				q.add(v1);
				visited[v1] = visited[u] + 1;
			}
			v2 = u - move;
			if (v2 > 0 && visited[v2] == 0) {
				q.add(v2);
				visited[v2] = visited[u] + 1;
			}
		}
		System.out.println(-1);
		proScan.proconEnd();
	}

}

class proconScan {
	private BufferedReader br;
	private String inLine;
	private String[] inString;
	private Integer idx;
	private String splitChar;

	public proconScan() {
		br = new BufferedReader(new InputStreamReader(System.in));
		idx = 0;
		splitChar = " ";
	}

	public proconScan(String split) {
		br = new BufferedReader(new InputStreamReader(System.in));
		idx = 0;
		splitChar = split;
	}

	public void proconEnd() throws IOException {
		// TODO 自動生成されたメソッド・スタブ
		br.close();
	}

	public String scan() throws IOException {
		idx = 0;
		inLine = br.readLine();
		inString = inLine.split(splitChar, 0);
		return inLine;
	}

	public Integer scanInteger1() throws IOException {
		scan();
		return Integer.parseInt(inString[0]);
	}

	public String backLine() {
		return inLine;
	}

	public String nextString() {
		return inString[idx++];
	}

	public String[] getString() {
		return inString;
	}

	public Integer nextInt() {
		Integer num;
		try {
			num = Integer.parseInt(inString[idx++]);
		} catch (NumberFormatException e) {
			num = null;// TODO: handle exception
		}
		return num;
	}

	public Integer[] getInt() {
		Integer[] num = new Integer[this.getLen()];

		for (int i = 0; i < this.getLen(); i++) {
			num[i] = Integer.parseInt(inString[i]);
		}

		return num;
	}

	public Float nextFloat() {
		Float num;
		try {
			num = Float.parseFloat(inString[idx++]);
		} catch (NumberFormatException e) {
			num = null;// TODO: handle exception
		}
		return num;
	}

	public Float[] getFloat() {
		Float[] num = new Float[this.getLen()];

		for (int i = 0; i < this.getLen(); i++) {
			num[i] = Float.parseFloat(inString[i]);
		}

		return num;
	}

	public Integer getLen() {
		return inString.length;
	}

}