Submission #1691216


Source Code Expand

import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		// long t = System.currentTimeMillis();
		new Main().run();
		// System.err.println(System.currentTimeMillis() - t);
	}

	public void run() {
		solver();
	}

	void solver() {
		Scanner sc = new Scanner(System.in);
		long n = sc.nextLong();
		long a = sc.nextLong();
		long ans = n;
		for (int m = 2; m <= 40; ++m) {
			long c = (long) Math.pow(n, 1.0 / m);
			for (long i = Math.max(c - 2, 2); i <= c + 2; ++i) {
				if (a * (m - 1) / a != m - 1)
					continue;
				if (Math.log(i) * (m - 1) > 40 * Math.log(2))
					continue;
				for (int j = 0; j <= m - 1; ++j) {
					long res = a * (m - 1);
					res += j * i + (m - 1 - j) * (i + 1);
					long den = pow(i, j) * pow(i + 1, m - 1 - j);
					if (den == 0)
						continue;
					res += (n + den - 1) / den;
					ans = Math.min(ans, res);
				}
			}
		}
		System.out.println(ans);
	}

	long pow(long a, long n) {
		long ret = 1;
		for (; n > 0; n >>= 1, a *= a) {
			if (n % 2 == 1) {
				ret *= a;
			}
		}
		return ret;
	}

	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}

}

Submission Info

Submission Time
Task E - Cookies
User fortoobye
Language Java8 (OpenJDK 1.8.0)
Score 0
Code Size 1271 Byte
Status RE
Exec Time 109 ms
Memory 23636 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 0 / 500 0 / 500
Status
AC × 3
AC × 19
RE × 8
AC × 61
RE × 11
Set Name Test Cases
sample sample-01.txt, sample-02.txt, sample-03.txt
dataset1 sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt
dataset2 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, 02-17.txt, 02-18.txt, 02-19.txt, 02-20.txt, 02-21.txt, 02-22.txt, 02-23.txt, 02-24.txt, 02-25.txt, 02-26.txt, 02-27.txt, 02-28.txt, 02-29.txt, 02-30.txt, 02-31.txt, 02-32.txt, 02-33.txt, 02-34.txt, 02-35.txt, 02-36.txt, 02-37.txt, 02-38.txt, 02-39.txt, 02-40.txt, sample-01.txt, sample-02.txt, sample-03.txt
Case Name Status Exec Time Memory
01-01.txt RE 100 ms 21076 KB
01-02.txt AC 102 ms 19284 KB
01-03.txt AC 100 ms 20948 KB
01-04.txt AC 100 ms 22996 KB
01-05.txt AC 100 ms 21588 KB
01-06.txt AC 104 ms 21332 KB
01-07.txt AC 100 ms 22996 KB
01-08.txt AC 109 ms 19156 KB
01-09.txt AC 101 ms 19540 KB
01-10.txt AC 101 ms 23252 KB
01-11.txt AC 103 ms 21712 KB
01-12.txt AC 103 ms 19668 KB
01-13.txt AC 103 ms 21844 KB
01-14.txt AC 100 ms 19796 KB
01-15.txt RE 99 ms 20692 KB
01-16.txt AC 100 ms 19924 KB
01-17.txt AC 100 ms 18644 KB
01-18.txt AC 106 ms 19028 KB
01-19.txt AC 101 ms 19412 KB
01-20.txt RE 103 ms 23636 KB
01-21.txt AC 101 ms 20948 KB
01-22.txt RE 99 ms 22996 KB
01-23.txt RE 102 ms 21588 KB
01-24.txt RE 100 ms 21204 KB
01-25.txt RE 101 ms 17748 KB
01-26.txt RE 100 ms 22996 KB
02-01.txt AC 102 ms 19792 KB
02-02.txt RE 101 ms 21588 KB
02-03.txt AC 100 ms 19284 KB
02-04.txt AC 100 ms 19284 KB
02-05.txt AC 100 ms 16972 KB
02-06.txt AC 101 ms 19668 KB
02-07.txt AC 102 ms 19668 KB
02-08.txt AC 102 ms 23380 KB
02-09.txt AC 100 ms 20560 KB
02-10.txt AC 99 ms 18772 KB
02-11.txt AC 101 ms 17620 KB
02-12.txt AC 102 ms 18644 KB
02-13.txt AC 101 ms 18900 KB
02-14.txt AC 107 ms 21844 KB
02-15.txt AC 101 ms 22996 KB
02-16.txt AC 102 ms 19668 KB
02-17.txt AC 102 ms 20692 KB
02-18.txt AC 100 ms 19284 KB
02-19.txt AC 102 ms 21204 KB
02-20.txt AC 100 ms 18644 KB
02-21.txt AC 101 ms 20948 KB
02-22.txt AC 101 ms 18900 KB
02-23.txt AC 102 ms 20564 KB
02-24.txt AC 104 ms 19028 KB
02-25.txt AC 99 ms 19924 KB
02-26.txt RE 108 ms 20564 KB
02-27.txt AC 100 ms 18644 KB
02-28.txt AC 102 ms 19156 KB
02-29.txt RE 101 ms 23124 KB
02-30.txt AC 106 ms 19796 KB
02-31.txt AC 103 ms 22740 KB
02-32.txt AC 103 ms 21460 KB
02-33.txt AC 102 ms 20820 KB
02-34.txt AC 106 ms 23124 KB
02-35.txt AC 102 ms 20948 KB
02-36.txt AC 102 ms 21588 KB
02-37.txt AC 103 ms 21716 KB
02-38.txt AC 101 ms 21588 KB
02-39.txt AC 100 ms 20948 KB
02-40.txt AC 100 ms 19796 KB
sample-01.txt AC 101 ms 19412 KB
sample-02.txt AC 101 ms 21716 KB
sample-03.txt AC 102 ms 21460 KB