結果

問題 No.642 Two Operations No.1
ユーザー hiromi_ayase
提出日時 2018-02-02 21:21:52
言語 Java8
(openjdk 1.8.0.222)
結果
AC  
実行時間 85 ms
コード長 2,365 Byte
コンパイル時間 1,679 ms
使用メモリ 19,324 KB
最終ジャッジ日時 2019-10-16 00:02:22

テストケース

テストケース表示
入力 結果 実行時間
使用メモリ
Sample1.txt AC 80 ms
19,316 KB
Sample2.txt AC 82 ms
19,320 KB
Sample3.txt AC 83 ms
19,316 KB
test1.txt AC 84 ms
19,324 KB
test2.txt AC 82 ms
19,316 KB
test3.txt AC 83 ms
19,320 KB
test4.txt AC 83 ms
19,316 KB
test5.txt AC 82 ms
19,316 KB
test6.txt AC 82 ms
19,320 KB
test7.txt AC 82 ms
19,320 KB
test8.txt AC 82 ms
19,316 KB
test9.txt AC 85 ms
19,316 KB
test10.txt AC 83 ms
19,320 KB
test11.txt AC 83 ms
19,316 KB
test12.txt AC 84 ms
19,320 KB
テストケース一括ダウンロード

ソースコード

diff #
public class Main {

	private static void solve() {
		int n = ni();
		int count = 0;
		while (n > 1) {
			count ++;
			if (n % 2 == 0) {
				n /= 2;
			} else {
				n ++;
			}
		}
		System.out.println(count);
	}

	public static void main(String[] args) {
		new Thread(null, new Runnable() {
			@Override
			public void run() {
				long start = System.currentTimeMillis();
				String debug = args.length > 0 ? args[0] : null;
				if (debug != null) {
					try {
						is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug));
					} catch (Exception e) {
						throw new RuntimeException(e);
					}
				}
				reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768);
				solve();
				out.flush();
				tr((System.currentTimeMillis() - start) + "ms");
			}
		}, "", 64000000).start();
	}

	private static java.io.InputStream is = System.in;
	private static java.io.PrintWriter out = new java.io.PrintWriter(System.out);
	private static java.util.StringTokenizer tokenizer = null;
	private static java.io.BufferedReader reader;

	public static String next() {
		while (tokenizer == null || !tokenizer.hasMoreTokens()) {
			try {
				tokenizer = new java.util.StringTokenizer(reader.readLine());
			} catch (Exception e) {
				throw new RuntimeException(e);
			}
		}
		return tokenizer.nextToken();
	}

	private static double nd() {
		return Double.parseDouble(next());
	}

	private static long nl() {
		return Long.parseLong(next());
	}

	private static int[] na(int n) {
		int[] a = new int[n];
		for (int i = 0; i < n; i++)
			a[i] = ni();
		return a;
	}

	private static char[] ns() {
		return next().toCharArray();
	}

	private static long[] nal(int n) {
		long[] a = new long[n];
		for (int i = 0; i < n; i++)
			a[i] = nl();
		return a;
	}

	private static int[][] ntable(int n, int m) {
		int[][] table = new int[n][m];
		for (int i = 0; i < n; i++) {
			for (int j = 0; j < m; j++) {
				table[i][j] = ni();
			}
		}
		return table;
	}

	private static int[][] nlist(int n, int m) {
		int[][] table = new int[m][n];
		for (int i = 0; i < n; i++) {
			for (int j = 0; j < m; j++) {
				table[j][i] = ni();
			}
		}
		return table;
	}

	private static int ni() {
		return Integer.parseInt(next());
	}

	private static void tr(Object... o) {
		if (is != System.in)
			System.out.println(java.util.Arrays.deepToString(o));
	}
}
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