Submission #1080017

#	Time	Username	Problem	Language	Result	Execution time	Memory
1080017		Muhammad_Aneeq	Packing Biscuits (IOI20_biscuits)	C++17	21 / 100	171 ms	436 KiB

biscuits

#include <vector>
#include <iostream>
using namespace std;
long long count_tastiness(long long x, vector<long long> a)
{
	if (x==1)
	{
		int n=a.size();
		long long val=0;
		for (int i=0;i+1<n;i++)
		{
			if (a[i]>2)
			{
				a[i+1]+=(a[i]-1)/2;
				a[i]=(a[i]-1+2)%2+1;
			}
		}
		long long cur=0,ans=1;
		for (int i=n-1;i>=0;i--)
		{
			if (a[i]==0)
			{
				ans*=(cur+1);
				cur=0;
			}
			else
				cur=cur*2+a[i];
		}
		ans*=(cur+1);
		return ans;
	}
	int n=a.size();
	int const sz=1e5;
	int ans=1;
	for (int i=1;i*x<=1e5;i++)
	{
		vector<long long>z=a;
		bool w=1;
		for (int j=0;j<x;j++)
		{
			int f=i;
			for (int k=n-1;k>=0;k--)
			{
				int g=min(z[k],f/(1ll<<k));
				z[k]-=g;
				f-=(1ll<<k)*g;
			}
			w=(f==0);
			if (w==0)
				break;
		}
		ans+=w;
	}
	return ans;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:9:13: warning: unused variable 'val' [-Wunused-variable]
    9 |   long long val=0;
      |             ^~~
biscuits.cpp:33:12: warning: unused variable 'sz' [-Wunused-variable]
   33 |  int const sz=1e5;
      |            ^~

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