Submission #994950


Source Code Expand

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

//define
#define ALL(a) a.begin(),a.end()
#define REP(i,n) for(int i=0;i<n;i++)
#define RREP(i,n) for(int i=n-1;i>=0;i--)
#define debug(x) if(1)cout<<#x<<":"<<x<<endl;
#define DEBUG(x) if(1)cout<<#x<<":"<<x<<endl;
#define ll long long

//typedef
typedef vector<int> vi;
typedef vector<vector<int>> vvi;


long long int dfs(long long int n,long long int a,map<long long int,long long int> &dp) {
	long long int res = n;

	for(int j=0;j<3;j++) {
		int i;
		if (j == 0)
			i = a;
		else if (j == 1)
			i = sqrt(n);
		else
			i =ceil(sqrt(n));
		if (i == 1 || i == 0)
			continue;
		long long int x = n / i + (n%i >= 1);
		if (x >= n)continue;
		if (dp.find(x)==dp.end()) {
			long long int val = dfs(x, a, dp);
			dp.insert(make_pair(x,val));
			res = min(res, val+a+i);
		}
		else {
			res = min(res, dp[x]+a+i);
		}
	}

	return res;
}

int main(){
	long long int n,a;
	cin >> n>>a;
	map<long long int, long long int> dp;

	cout << dfs(n,a,dp) << endl;

}

Submission Info

Submission Time
Task E - Cookies
User nikutto
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1054 Byte
Status WA
Exec Time 3 ms
Memory 384 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 0 / 500 0 / 500
Status
AC × 2
WA × 1
AC × 13
WA × 14
AC × 19
WA × 50
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
Case Name Status Exec Time Memory
01-01.txt WA 3 ms 256 KB
01-02.txt WA 3 ms 256 KB
01-03.txt WA 3 ms 256 KB
01-04.txt WA 3 ms 256 KB
01-05.txt WA 3 ms 256 KB
01-06.txt AC 3 ms 256 KB
01-07.txt AC 3 ms 256 KB
01-08.txt WA 3 ms 256 KB
01-09.txt WA 3 ms 256 KB
01-10.txt WA 3 ms 256 KB
01-11.txt WA 3 ms 256 KB
01-12.txt AC 3 ms 256 KB
01-13.txt AC 2 ms 256 KB
01-14.txt WA 2 ms 256 KB
01-15.txt WA 3 ms 256 KB
01-16.txt WA 3 ms 256 KB
01-17.txt WA 3 ms 256 KB
01-18.txt AC 3 ms 256 KB
01-19.txt WA 3 ms 256 KB
01-20.txt AC 3 ms 256 KB
01-21.txt AC 2 ms 256 KB
01-22.txt AC 3 ms 256 KB
01-23.txt AC 2 ms 256 KB
01-24.txt AC 3 ms 256 KB
01-25.txt AC 3 ms 256 KB
01-26.txt AC 3 ms 256 KB
02-01.txt AC 2 ms 256 KB
02-02.txt WA 3 ms 256 KB
02-03.txt WA 3 ms 256 KB
02-04.txt WA 3 ms 256 KB
02-05.txt WA 3 ms 256 KB
02-06.txt WA 3 ms 256 KB
02-07.txt WA 3 ms 256 KB
02-08.txt WA 3 ms 256 KB
02-09.txt WA 3 ms 256 KB
02-10.txt WA 3 ms 256 KB
02-11.txt WA 3 ms 256 KB
02-12.txt AC 2 ms 256 KB
02-13.txt WA 3 ms 256 KB
02-14.txt WA 3 ms 256 KB
02-15.txt WA 3 ms 256 KB
02-16.txt WA 2 ms 256 KB
02-17.txt WA 2 ms 256 KB
02-18.txt WA 3 ms 256 KB
02-19.txt WA 3 ms 256 KB
02-20.txt WA 3 ms 256 KB
02-21.txt WA 3 ms 256 KB
02-22.txt AC 2 ms 256 KB
02-23.txt WA 3 ms 256 KB
02-24.txt WA 2 ms 256 KB
02-25.txt WA 3 ms 256 KB
02-26.txt WA 2 ms 256 KB
02-27.txt WA 3 ms 384 KB
02-28.txt WA 3 ms 256 KB
02-29.txt WA 3 ms 256 KB
02-30.txt WA 3 ms 256 KB
02-31.txt WA 3 ms 256 KB
02-32.txt WA 3 ms 256 KB
02-33.txt WA 3 ms 256 KB
02-34.txt WA 3 ms 256 KB
02-35.txt AC 3 ms 256 KB
02-36.txt WA 3 ms 256 KB
02-37.txt WA 3 ms 256 KB
02-38.txt WA 2 ms 256 KB
02-39.txt WA 3 ms 256 KB
02-40.txt AC 3 ms 256 KB
sample-01.txt AC 2 ms 256 KB
sample-02.txt WA 3 ms 256 KB
sample-03.txt AC 2 ms 256 KB