Submission #338790

#	Time	Username	Problem	Language	Result	Execution time	Memory
338790		ogibogi2004	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	11 ms	4460 KiB

sculpture

#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll MAXN=2048;
vector<pair<ll,ll> >g[MAXN];
ll n,a,b,cur;
ll y[MAXN];
bool dp[MAXN][MAXN];
bool ok(ll idx)
{
	//if(idx==1)cout<<idx<<endl;
	memset(dp,0,sizeof(dp));
	dp[0][0]=1;
	for(int i=0;i<=n;i++)
	{
		for(auto xd:g[i])
		{
			//if(idx==1)cout<<xd.first<<" "<<(xd.first&(~cur))<<" "<<(1ll<<idx)<<endl;
			if((xd.first|cur)!=cur)continue;
			//if(idx==1)cout<<i<<" "<<xd.second<<endl;
			for(int j=0;j<=n;j++)
			{
				dp[xd.second+1][j+1]|=dp[i][j];
			}
		}
	}
	for(int i=a;i<=b;i++)
	{
		if(dp[n+1][i])return 1;
	}
	return 0;
}
int main()
{
	cin>>n>>a>>b;
	for(ll i=1;i<=n;i++)
	{
		cin>>y[i];
	}
	for(int i=0;i<=n;i++)
	{
		int sum=0;
		for(int j=i;j<=n;j++)
		{
			sum+=y[j];
			g[i].push_back({sum,j});
		}
	}
	cur=(1ll<<51)-1;
	for(ll i=50;i>=0;i--)
	{
		if(ok(cur-(1ll<<i)))
		{
			cur-=(1ll<<i);
		}
	}
	cout<<cur<<endl;
return 0;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 21
• Subtask 4: 0 / 25
• Subtask 5: 0 / 29