Submission #348356

#	Time	Username	Problem	Language	Result	Execution time	Memory
348356		dennisstar	Packing Biscuits (IOI20_biscuits)	C++17	100 / 100	17 ms	1388 KiB

biscuits

#include <bits/stdc++.h>
#include "biscuits.h"

using namespace std;
using ll = long long;

const int MX = 62;

ll count_tastiness(ll x, vector<ll> a) {
	vector<ll> D(MX, 1);
	a.resize(MX);
	for (int i=1; i<MX; i++) {
		a[i]=(a[i]<<i)+a[i-1];
		ll n=(1e18);
		for (int j=i-1; j>=0; j--) {
			n=min(n, a[j]);
			if (x<=(n>>j)) D[i]+=D[j], n-=(x<<j);
		}
	}
	return D.back();
}

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 21 / 21
• Subtask 4: 35 / 35
• Subtask 5: 23 / 23