Submission #123875

#	Time	Username	Problem	Language	Result	Execution time	Memory
123875		mlyean00	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	2 ms	376 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> y_pref(n + 1, 0);
    partial_sum(y.begin(), y.end(), y_pref.begin() + 1);

    vector<vector<ll>> dp(b + 1, vector<ll>(n + 1, LLONG_MAX));
    dp[0][0] = 0;

    for (int i = 1; i <= b; ++i) {
        for (int j = 1; j <= n; ++j) {
            for (int k = 0; k < j; ++k) {
                if (dp[i - 1][k] == LLONG_MAX) continue;
                dp[i][j] =
                    min(dp[i][j], dp[i - 1][k] | (y_pref[j] - y_pref[k]));
            }
        }
    }

    ll ans = LLONG_MAX;
    for (int i = a; i <= b; ++i) {
        ans = min(ans, dp[i][n]);
    }

    cout << ans << endl;

    return 0;
}

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