Submission #131118

#	Time	Username	Problem	Language	Result	Execution time	Memory
131118		mlyean00	Bali Sculptures (APIO15_sculpture)	C++14	9 / 100	1087 ms	504 KiB

sculpture

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main() {
    int n, a, b;
    cin >> n >> a >> b;
    vector<ll> y(n);
    for (int i = 0; i < n; ++i) {
        cin >> y[i];
    }

    vector<ll> pref(n + 1, 0);
    partial_sum(y.begin(), y.end(), pref.begin() + 1);

    ll ans = LLONG_MAX;
    for (ll i = 0; i < 1LL << (n - 1); ++i) {
        int set_bits = __builtin_popcount(i) + 1;
        if (set_bits < a || set_bits > b) continue;
        int last = 0;
        ll res = 0;
        for (int j = i; j; j -= j & -j) {
            int k = __builtin_ctz(j) + 1;
            res |= pref[k] - pref[last];
            last = k;
        }
        res |= pref[n] - pref[last];
        ans = min(ans, res);
    }

    cout << ans << endl;

    return 0;
}

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