Submission #111096

#	Time	Username	Problem	Language	Result	Execution time	Memory
111096		mayhoubsaleh	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	2 ms	384 KiB

sculpture

#include <bits/stdc++.h>
#define ll long long
#define pb push_back

using namespace std;
ll n,l,r;
ll a[111];
//ll dp[111][111][111];
ll dp[2020][2020];
/*ll solve(ll i,ll last,ll k,ll sum){
    //cout<<"call:  "<<i<<' '<<last<<' '<<k<<' '<<sum<<endl;
    if(i==n){
        if(k>=l&&k<=r&&last==n)return 0;
        return -2;
    }
    ll &ans=dp[i][last][k];
    sum+=a[i];
    if(ans!=-1)return ans;
    ll ans1=solve(i+1,last,k,sum),ans2=solve(i+1,i+1,k+1,0);
    if(ans1==-2&&ans2==-2)return ans=-2;
    if(ans1==-2)return ans=ans2|sum;
    if(ans2==-2)return ans=ans1;
    return ans=min(ans1,ans2|sum);
}*/
ll pre[2020];
int main(){
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>n>>l>>r;
    for(ll i=0;i<n;i++){
        cin>>a[i];
    }
    for(ll i=0;i<n;i++){
        pre[i]=a[i];
        if(i)pre[i]+=pre[i-1];
    }
    //memset(dp,-1,sizeof dp);
    //cout<<max(0ll,solve(0,0,0,0))<<endl;
    for(ll i=0;i<n;i++){
        dp[i][1]=pre[i];
        for(ll k=2;k<=i+1;k++){
            dp[i][k]=1e17;
            ll sum=0;
            for(ll j=i;j>k-2;j--){
                sum+=a[j];
                dp[i][k]=min(dp[i][k],sum|dp[j-1][k-1]);
            }
        }
    }

    ll ans=1e17;
    for(ll i=l;i<=r;i++){
        ans=min(ans,dp[n-1][i]);
    }
    cout<<ans<<endl;
    return 0;
}

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