Submission #538303

#	Time	Username	Problem	Language	Result	Execution time	Memory
538303		Servus2022	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	1 ms	340 KiB

sculpture

#include <iostream>
#include <fstream>

using namespace std;

const int NMAX = 2e3 + 2;
const long long INF = 1LL * 1e15;

int N, A, B;
int v[NMAX];
long long dp[NMAX][NMAX];
long long sp[NMAX];

static inline void Read()
{
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    cin >> N >> A >> B;
    for(int i = 1; i <= N; ++i)
        cin >> v[i];

    return;
}

static inline long long mymin(long long a, long long b)
{
    return (a < b ? a : b);
}

long long Query(int left, int right)
{
    return (sp[right] - sp[left - 1]);
}

static inline void Solve()
{
    for(int i = 1; i <= N; ++i)
        for(int j = 1; j <= i; ++j)
            dp[i][j] = INF;

    for(int i = 1; i <= N; ++i)
        sp[i] = sp[i - 1] + 1LL * v[i];

    for(int i = 1; i <= N; ++i)
        dp[i][1] = Query(1, i);

    for(int i = 1; i <= N; ++i)
        for(int j = 2; j <= i; ++j)
            for(int k = 0; k <= i - 1; ++k)
                dp[i][j] = mymin(dp[k][j - 1] | Query(k + 1, i), dp[i][j]);

    long long ans = INF;
    for(int i = A; i <= B; ++i)
        ans = mymin(dp[N][i], ans);
    cout << ans << '\n';
}

int main()
{
    Read();
    Solve();
    return 0;
}

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