Submission #1293568

#	Time	Username	Problem	Language	Result	Execution time	Memory
1293568		harryleee	Bali Sculptures (APIO15_sculpture)	C++20	100 / 100	572 ms	1400 KiB

sculpture

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

bitset<2001> posibil[2001];
long long sir[2001];

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

    int cimbom, gs, gala;
    cin >> cimbom >> gs >> gala;

    for (int i = 1; i <= cimbom; i++) {
        cin >> sir[i];
    }

    long long cevap = (1LL << 45) - 1;

    for (long long bit = 1LL << 44; bit; bit >>= 1) {
        cevap ^= bit;

        posibil[0][0] = 1;
        for (int i = 1; i <= cimbom; i++) posibil[i].reset();

        for (int r = 1; r <= cimbom; r++) {
            long long s = 0;
            for (int l = r; l >= 1; l--) {
                s += sir[l];
                if (s > cevap) break;
                if ((s & cevap) == s) {
                    posibil[r] |= (posibil[l - 1] << 1);
                }
            }
        }

        bool var = false;
        for (int k = gs; k <= gala; k++) {
            if (posibil[cimbom][k]) {
                var = true;
                break;
            }
        }

        if (!var) {
            cevap |= bit;
        }
    }

    cout << cevap << '\n';
    return 0;
}

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