Submission #1799938


Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define for_(i,a,b) for(int i=(a);i<(b);++i)
typedef long long lint;

lint pow(lint x, lint k) {
	lint ret = 1;
	while (k) {
		if (k & 1) ret *= x;
		x *= x;
		k >>= 1;
	}
	return ret;
}

int main() {
	lint N, A;
	cin >> N >> A;
	
	lint ans = N;
	for_(x,1,60) {
		lint mx = sqrt(N) + 2;
		for_(t,1,mx) {
			if (pow(t, x+1) >= N) {
				for_(k,0,x+1) {
					if (pow(t, x-k+1) * pow(t-1, k) >= N) {
						ans = min(ans, A*x + t * (x-k+1) + (t-1) * k);
					}
				}
				break;
			}
		} 
	}
	cout << ans << endl;
}

Submission Info

Submission Time
Task E - Cookies
User tsukasa_diary
Language C++14 (GCC 5.4.1)
Score 1000
Code Size 591 Byte
Status AC
Exec Time 14 ms
Memory 256 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 500 / 500 500 / 500
Status
AC × 3
AC × 27
AC × 72
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 AC 2 ms 256 KB
01-02.txt AC 1 ms 256 KB
01-03.txt AC 1 ms 256 KB
01-04.txt AC 1 ms 256 KB
01-05.txt AC 1 ms 256 KB
01-06.txt AC 1 ms 256 KB
01-07.txt AC 2 ms 256 KB
01-08.txt AC 1 ms 256 KB
01-09.txt AC 1 ms 256 KB
01-10.txt AC 1 ms 256 KB
01-11.txt AC 1 ms 256 KB
01-12.txt AC 1 ms 256 KB
01-13.txt AC 1 ms 256 KB
01-14.txt AC 1 ms 256 KB
01-15.txt AC 1 ms 256 KB
01-16.txt AC 1 ms 256 KB
01-17.txt AC 1 ms 256 KB
01-18.txt AC 1 ms 256 KB
01-19.txt AC 1 ms 256 KB
01-20.txt AC 1 ms 256 KB
01-21.txt AC 1 ms 256 KB
01-22.txt AC 1 ms 256 KB
01-23.txt AC 1 ms 256 KB
01-24.txt AC 1 ms 256 KB
01-25.txt AC 1 ms 256 KB
01-26.txt AC 1 ms 256 KB
02-01.txt AC 1 ms 256 KB
02-02.txt AC 14 ms 256 KB
02-03.txt AC 14 ms 256 KB
02-04.txt AC 14 ms 256 KB
02-05.txt AC 14 ms 256 KB
02-06.txt AC 14 ms 256 KB
02-07.txt AC 14 ms 256 KB
02-08.txt AC 14 ms 256 KB
02-09.txt AC 14 ms 256 KB
02-10.txt AC 14 ms 256 KB
02-11.txt AC 14 ms 256 KB
02-12.txt AC 14 ms 256 KB
02-13.txt AC 14 ms 256 KB
02-14.txt AC 14 ms 256 KB
02-15.txt AC 14 ms 256 KB
02-16.txt AC 14 ms 256 KB
02-17.txt AC 14 ms 256 KB
02-18.txt AC 14 ms 256 KB
02-19.txt AC 14 ms 256 KB
02-20.txt AC 14 ms 256 KB
02-21.txt AC 14 ms 256 KB
02-22.txt AC 14 ms 256 KB
02-23.txt AC 14 ms 256 KB
02-24.txt AC 14 ms 256 KB
02-25.txt AC 2 ms 256 KB
02-26.txt AC 5 ms 256 KB
02-27.txt AC 5 ms 256 KB
02-28.txt AC 5 ms 256 KB
02-29.txt AC 12 ms 256 KB
02-30.txt AC 9 ms 256 KB
02-31.txt AC 11 ms 256 KB
02-32.txt AC 5 ms 256 KB
02-33.txt AC 14 ms 256 KB
02-34.txt AC 10 ms 256 KB
02-35.txt AC 14 ms 256 KB
02-36.txt AC 13 ms 256 KB
02-37.txt AC 11 ms 256 KB
02-38.txt AC 14 ms 256 KB
02-39.txt AC 14 ms 256 KB
02-40.txt AC 14 ms 256 KB
sample-01.txt AC 1 ms 256 KB
sample-02.txt AC 14 ms 256 KB
sample-03.txt AC 1 ms 256 KB