Submission #659727

#	Time	Username	Problem	Language	Result	Execution time	Memory
659727		four_specks	Bali Sculptures (APIO15_sculpture)	C++17	50 / 100	114 ms	460 KiB

sculpture

#include <bits/stdc++.h>

using namespace std;

inline namespace
{
} // namespace

void solve()
{
    int n, a, b;
    cin >> n >> a >> b;

    vector<long> y(n);
    for (long &u : y)
        cin >> u;

    vector<long> pref(n + 1);
    pref[0] = 0;
    for (int i = 0; i < n; i++)
        pref[i + 1] = pref[i] + y[i];

    long res = 0;
    for (int s = __lg(pref[n]); s >= 0; s--)
    {
        long comp = ~((1l << s) - 1);

        vector<int> dp(n + 1, n + 1);
        dp[0] = 0;
        for (int i = 1; i <= n; i++)
        {
            for (int j = 0; j < i; j++)
            {
                if ((res | ((pref[i] - pref[j]) & comp)) == res)
                    dp[i] = min(dp[i], dp[j] + 1);
            }
        }

        if (dp[n] > b)
            res |= 1l << s;
    }

    cout << res << '\n';
}

int main()
{
    ios_base::sync_with_stdio(false), cin.tie(NULL);

    solve();

    return 0;
}

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