Submission #766258

#	Time	Username	Problem	Language	Result	Execution time	Memory
766258		vito	Bali Sculptures (APIO15_sculpture)	C++98	9 / 100	42 ms	340 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
const ll INF=1e18+5;
int main() {
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n, A, B;
	cin >> n >> A >> B;
	vector<ll> a(n);
	for(int i=0; i<n; i++) {
		cin >> a[i];
	}
	if(n<=20) {
		ll rj=INF;
		ll cur, sum;
		for(int i=0; i<(1<<(n-1)); i++) {
			cur=0;
			if(__builtin_popcount(i)+1<A || __builtin_popcount(i)+1>B) {
				continue;
			}
			sum=0;
			for(int j=0; j<n-1; j++) {
				sum+=a[j];
				if(i&(1<<j)) {
					cur|=sum;
					sum=0;
				}
			}
			sum+=a[n-1];
			cur|=sum;
			rj=min(rj, cur);
		}
		cout << rj << '\n';
		return 0;
	}
}

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