Submission #608485

#	Time	Username	Problem	Language	Result	Execution time	Memory
608485		CyberCow	Packing Biscuits (IOI20_biscuits)	C++17	42 / 100	1099 ms	74996 KiB

biscuits

#include "biscuits.h"
#include <vector>
#include <map>
using namespace std;
using ll = long long;
map<ll, ll> dp[150];

ll count_tastiness(ll x, vector<ll> a)
{
	for (int i = 0; i < 148; i++)
	{
		dp[i].clear();
	}
	for (int i = 0; i < 70; i++)
	{
		a.push_back(0);
	}
	ll ans = 1;
	dp[0][0] = 1;
	for (int i = 0; i < a.size(); i++)
	{
		for (auto it : dp[i])
		{
			if ((it.first + a[i] - x) >= 0)
			{
				dp[i + 1][(it.first + a[i] - x) / 2] += it.second;
				ans += it.second;
			}
			dp[i + 1][(it.first + a[i]) / 2] += it.second;
		}
	}
	return ans;
}

Compilation message (stderr)

biscuits.cpp: In function 'll count_tastiness(ll, std::vector<long long int>)':
biscuits.cpp:20:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  for (int i = 0; i < a.size(); i++)
      |                  ~~^~~~~~~~~~

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