Submission #305714

#	Time	Username	Problem	Language	Result	Execution time	Memory
305714		arthurconmy	Packing Biscuits (IOI20_biscuits)	C++14	0 / 100	1080 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;

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

	for(int i=0; i<=100000; i++)
	{
		vector<ll> curA = A;
		bool w=1;

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

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

			if(i+1 < A.size()) curA[i+1] += ll(curA[i]/2LL);
		}

		if(w) ans++;
	}

	return ans;
}

Compilation message (stderr)

biscuits.cpp: In function 'll count_tastiness(ll, std::vector<long long int>)':
biscuits.cpp:25:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     if(b >= A.size()) w=0;
      |        ~~^~~~~~~~~~~
biscuits.cpp:34:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |    if(i+1 < A.size()) curA[i+1] += ll(curA[i]/2LL);
      |       ~~~~^~~~~~~~~~

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