Submission #33770

#	Time	Username	Problem	Language	Result	Execution time	Memory
33770		dqhungdl	Bali Sculptures (APIO15_sculpture)	C++14	71 / 100	759 ms	10076 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;

const int64_t MAX=40;
int64_t n,A,B,a[2005];
bool Free[2005][2005],F[2005][2005];

bool f(int64_t i,int64_t j,int64_t mask)
{
    if(Free[i][j]==true)
        return F[i][j];
    Free[i][j]=true;
    if(j>B)
        return F[i][j]=false;
    if(i>n)
        return F[i][j]=(A<=j);
    for(int64_t t=i;t<=n;t++)
    {
        int64_t tmp=a[t]-a[i-1];
        if((mask|tmp)==mask&&f(t+1,j+1,mask)==true)
            return F[i][j]=true;
    }
    return F[i][j]=false;
}

int main()
{
    ios_base::sync_with_stdio(false);
    //freopen("TEST.INP","r",stdin);
    cin>>n>>A>>B;
    for(int64_t i=1;i<=n;i++)
    {
        cin>>a[i];
        a[i]+=a[i-1];
    }
    int64_t res=(int64_t(1)<<MAX)-1;
    for(int64_t i=MAX-1;i>=0;i--)
    {
        for(int64_t j=1;j<=n;j++)
            for(int64_t t=0;t<=B;t++)
                Free[j][t]=false;
        if(f(1,0,res-(int64_t(1)<<i))==true)
            res-=int64_t(1)<<i;
    }
    cout<<res;
}

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