Submission #701180

#	Time	Username	Problem	Language	Result	Execution time	Memory
701180		Sanzhar23	Bali Sculptures (APIO15_sculpture)	C++14	25 / 100	136 ms	28096 KiB

sculpture

#include <bits/stdc++.h>

using namespace std;

#define ll long long	
#define pb push_back
#define bug cout << "bug" << endl
#define speed ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#define all(x) x.begin(), x.end()
#define F first
#define S second
#define pll pair <ll, ll> 
#define pii pair <int, int> 
#define triple pair <pair <ll, ll> , ll>   
#define ull unsigned long long
#define ld long double
#define pinode pair <node*, node*>

const ll INF = 9e18 + 5;
const ll inf = 1e9 + 5;
const ll N = 100 + 5;
const ll shift = 2e6;
const ll mod = 998244353;
const ll mod2 = 1e9 + 9;
const ll M = 1e3 + 5;
const ll LOG = 21;
const ll sp = 263;
const ll sp2 = 9973;
const int block = 100;
const double eps = 1e-10;

ll n, a, b, Y[N], dp[N][505][N], pref[N], max_value, ans = INF;

int main(){
	speed;
	cin >> n >> a >> b;	
	for(int i = 1; i <= n; i++){
		cin >> Y[i];
		pref[i] = pref[i - 1] + Y[i];
	}
	if(n <= 20){
		for(ll col = a; col <= b; col++){
			for(ll mask = 0; mask < (1 << (n - 1)); mask++){
				if(__builtin_popcount(mask) != (col - 1))
					continue;
	//			cout << "FOUND " << mask << endl;
				ll last = 0, cur = 0;
				for(int i = 0; i < n; i++){
					if((1 << i) & mask){
						cur = (cur | (pref[i + 1] - pref[last]));
						last = i + 1;
					}
				}
				cur = (cur | (pref[n] - pref[last]));
				ans = min(ans, cur);
			}
		}
		cout << ans << endl;
		return 0;
	}
  	max_value = 10 * n;
	for(int i = 0; i <= n; i++){
		for(int j = 0; j <= max_value; j++){
			for(int z = 0; z <= n; z++){
				dp[i][j][z] = 0;
			}
		}
	}
	dp[0][0][0] = 1;
	for(int i = 1; i <= n; i++){
		for(int j = 0; j < i; j++){
			for(int curor = 0; curor <= max_value; curor++){
				for(int part = 0; part < n; part++){
					ll sum = pref[i] - pref[j];
					if(!dp[j][curor][part])
						continue;
					dp[i][(curor | sum)][part + 1] = 1;
				}
			}
		}
	}
	for(ll curor = 0; curor <= max_value; curor++){
		for(int part = a; part <= b; part++){
			if(dp[n][curor][part] == 0)
				continue;
			ans = min(ans, curor);
		}
	}
	cout << ans << endl;
}

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