Submission #529351

#	Time	Username	Problem	Language	Result	Execution time	Memory
529351		Hanksburger	Bali Sculptures (APIO15_sculpture)	C++17	21 / 100	1 ms	384 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;
long long dp1[2005][2005], dp2[2005], a[2005], b[2005];
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	long long n, l, r, x, loog=0, cur=0;
	cin >> n >> l >> r;
	for (long long i=1; i<=n; i++)
		cin >> a[i];
	for (long long i=1; i<=n; i++)
		b[i]=b[i-1]+a[i];
	x=b[n];
	while (x)
	{
		x/=2;
		loog++;
	}
	if (l==1)
	{
		for (long long i=loog-1; i>=0; i--)
		{
			cur|=1<<i;
			dp2[0]=0;
			for (long long j=1; j<=n; j++)
				dp2[j]=1e18;
			for (long long j=1; j<=n; j++)
				for (long long k=0; k<j; k++)
					if (!(cur&(b[j]-b[k])))
						dp2[j]=min(dp2[j], dp2[k]+1);
			if (dp2[n]>r)
				cur^=1<<i;
		}
	}
	else
	{
		long long cur=0;
		for (long long i=loog-1; i>=0; i--)
		{
			cur|=1<<i;
			dp1[0][0]=1;
			for (long long j=1; j<=n; j++)
				for (long long k=1; k<=j; k++)
					dp1[j][k]=0;
			for (long long j=1; j<=n; j++)
			{
				for (long long k=1; k<=j; k++)
				{
					for (long long m=k-1; m<j; m++)
						if (!(cur&(b[j]-b[m])))
							dp1[j][k]=1;
				}
			}
			bool imp=1;
			for (long long i=l; i<=r; i++)
			{
				if (dp1[n][i])
				{
					imp=0;
					break;
				}
			}
			if (imp)
				cur^=1<<i;
		}
	}
	cout << pow(2, loog)-cur-1;
	return 0;
}

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