Submission #14737

#	Time	Username	Problem	Language	Result	Execution time	Memory
14737		gs13068	Bali Sculptures (APIO15_sculpture)	C++98	100 / 100	162 ms	1292 KiB

sculpture

#include<cstdio>

int a[2222];
int d[2222];
int dd[222][222];

int main()
{
	long long r=0,t;
	int i,j,k,n,m,l,tt;
	scanf("%d%d%d",&n,&m,&l);
	for(i=1;i<=n;i++)scanf("%d",&a[i]);
	if(m==1)
	{
        for(i=45;i>=0;i--)
        {
			for(j=1;j<=n;j++)d[j]=1e9;
            for(j=0;j<n;j++)
            {
				t=0;
				for(k=j+1;k<=n;k++)
                {
					t+=a[k];
					if((t>>(i+1))&~(r>>(i+1)))continue;
                    if((t>>i)&1)continue;
					if(d[k]>d[j]+1)d[k]=d[j]+1;
                }
			}
            if(d[n]>l)r|=1LL<<i;
        }
        printf("%lld\n",r);
        return 0;
	}
    for(i=45;i>=0;i--)
    {
		dd[0][0]=1;
		for(j=1;j<=n;j++)for(k=0;k<=n;k++)dd[j][k]=0;
		for(j=0;j<n;j++)
		{
			t=0;
			for(k=j+1;k<=n;k++)
			{
				t+=a[k];
				if((t>>(i+1))&~(r>>(i+1)))continue;
				if((t>>i)&1)continue;
				for(tt=0;tt<n;tt++)if(dd[j][tt])dd[k][tt+1]=1;
			}
		}
		for(j=m;j<=l;j++)if(dd[n][j])break;
		if(j>l)r|=1LL<<i;
    }
	printf("%lld\n",r);
	return 0;
}

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