제출 #211647

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
211647		DS007	Bali Sculptures (APIO15_sculpture)	C++14	50 / 100	164 ms	512 KiB

sculpture

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

const int N = 2005;
int n, a, b;
int y[N], p[N];

void solveTestCase() {
    cin >> n >> a >> b;
    for (int i = 0; i < n; i++) cin >> y[i];

    p[0] = y[0];
    for (int i = 1; i < n; i++)
        p[i] = y[i] + p[i - 1];

    int ans = 0;
    for (int i = 45; i >= 0; i--) {
        int dp[n];
        fill(dp, dp + n, 1e14);
        int up = ans + (1ll << i);
        bool check = y[0] < up;
        if ((y[0] & (1ll << i)) == 0)
            dp[0] = 1;

        for (int j = 1; j < n; j++) {
            check = check && y[j] < up;
            if (p[j] < up && (p[j] | up) < up + (1ll << i) && (p[j] & (1ll << i)) == 0)
                dp[j] = 1;

            for (int k = j - 1; k >= 0; k--) {
                if ((p[j] - p[k + 1] + y[k + 1]) < up && ((p[j] - p[k + 1] + y[k + 1]) | up) < up + (1ll << i) && ((p[j] - p[k + 1] + y[k + 1]) & (1ll << i)) == 0)
                    dp[j] = min(dp[j], dp[k] + 1);
            }
        }

        if (!check || dp[n - 1] > b)
            ans = up;
    }

    cout << ans;
}

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

    int test = 1;
    //cin >> test;
    while (test--)
        solveTestCase();
}

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