Submission #305716

#	Time	Username	Problem	Language	Result	Execution time	Memory
305716		arthurconmy	Packing Biscuits (IOI20_biscuits)	C++14	9 / 100	1086 ms	384 KiB

biscuits

#ifndef ARTHUR_LOCAL
	#include "biscuits.h"
#endif

#ifdef ARTHUR_LOCAL
	#include <bits/stdc++.h>
#endif

using namespace std;
using ll = long long;

#define len(x) int((x).size())

ll count_tastiness(ll x, vector<ll> A) 
{
	ll ans = 0LL;

	int MXIT = 100000;

	#ifdef ARTHUR_LOCAL
		MXIT=1000;
	#endif

	while(len(A) < 20) A.push_back(0);

	for(int i=0; i<=MXIT; i++)
	{
		vector<ll> curA = A;
		bool w=1;

		for(int b=0; b<20; b++)
		{
			if((i & (1<<b)) != 0)
			{
				if(b >= len(A)) w=0;

				else
				{
					if(curA[b] < x) w=0;
					else curA[b] -= x;
				}
			}

			if(b+1 < len(A)) curA[b+1] += ll(curA[b]/2LL);
		}

		if(w) {
			//cout << i << endl;
			ans++;
		}
	}

	return ans;
}

#ifdef ARTHUR_LOCAL
int main()
{
	cout << count_tastiness(2, {1}) << endl;
}
#endif

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23