Submission #1038331

#	Time	Username	Problem	Language	Result	Execution time	Memory
1038331		stdfloat	Bali Sculptures (APIO15_sculpture)	C++17	50 / 100	100 ms	600 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

#define all(v) (v).begin(), (v).end()

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);

    int n, A, B;
    cin >> n >> A >> B;

    vector<int> a(n);
    for (int i = 0; i < n; i++) cin >> a[i];

    ll ans = (1LL << 50) - 1;
    for (int z = 49; z >= 0; z--) {
        ans -= (1LL << z);

        ll sm = 0;
        vector<int> dp(n, INT_MAX);
        for (int i = 0; i < n; i++) {
            sm += a[i];

            if ((ans & sm) == sm) dp[i] = 0;
        
            ll sm = 0;
            for (int k = i; k > 0; k--) {
                sm += a[k];

                if (dp[k - 1] != INT_MAX && (ans & sm) == sm) dp[i] = min(dp[i], dp[k - 1] + 1);
            }
        }

        if (B <= dp[n - 1]) ans += 1LL << z;
    }

    cout << ans;
}

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