Submission #239604

#	Time	Username	Problem	Language	Result	Execution time	Memory
239604		michao	Bali Sculptures (APIO15_sculpture)	C++14	100 / 100	711 ms	1060 KiB

sculpture

#include <bits/stdc++.h>
#define ll long long int
#define mp make_pair
#define pb push_back
#define ld long double
#define pii pair<int,int>
#define sz(x) (int)x.size()
#define piii pair<pii,pii>
#define precise cout<<fixed<<setprecision(10)
#define st first
#define nd second
#define ins insert
#define vi vector<int>
#define BOOST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
const int MAX=2005;
int tab[MAX];
int32_t main()
{
  BOOST;
  int n,a,b;
  cin>>n>>a>>b;
  for (int i=0;i<n;i++)cin>>tab[i];
  ll ans=0;
  for (int i=40;i>=0;i--)
  {
  	vector<bitset<MAX>>dp(n+1);
  	dp[0]=1;
  	for (int j=1;j<=n;j++)
  	{
  		ll akt=0;
  		for (int k=j-1;k>=0;k--)
  		{
  			akt+=tab[k];
  			if (!(akt&(1LL<<i)) && ((ans|(akt>>(i+1)))==ans))dp[j]|=(dp[k]<<1);
  		}
  	}
  	bool t=false;
  	for (int j=a;j<=b;j++) if (dp[n][j]){t=true;break;}
  	ans*=2;
  	if (!t)ans++;
  }
  cout<<ans;
  return 0;
}

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