Submission #482664

#	Time	Username	Problem	Language	Result	Execution time	Memory
482664		jalsol	Bali Sculptures (APIO15_sculpture)	C++17	0 / 100	1 ms	216 KiB

sculpture

#ifdef LOCAL
#include "local.h"
#else
#include <bits/stdc++.h>
#define debug(...)
#define DB(...)
#endif

using namespace std;

const bool __initialization = []() {
    cin.tie(nullptr)->sync_with_stdio(false);
#define TASK "empty"
    if (fopen(TASK".inp", "r")) {
        (void)(!freopen(TASK".inp", "r", stdin));
        (void)(!freopen(TASK".out", "w", stdout)); }
    cout << setprecision(12) << fixed;
    return true;
}();

using ll = long long;
using ld = long double;

#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()

#define For(i, l, r) for (int i = (l); i <= (r); ++i)
#define Ford(i, r, l) for (int i = (r); i >= (l); --i)
#define Rep(i, n) For (i, 0, (n) - 1)
#define Repd(i, n) Ford (i, (n) - 1, 0)
#define Fe(...) for (auto __VA_ARGS__)

template <class C> inline int isz(const C& c) { return static_cast<int>(c.size()); }
template <class T> inline bool chmin(T& a, const T& b) { return (a > b) ? a = b, true : false; }
template <class T> inline bool chmax(T& a, const T& b) { return (a < b) ? a = b, true : false; }

constexpr ld eps = 1e-9;
constexpr int inf = 1e9;
constexpr ll linf = 1e18;

// =============================================================================

constexpr int maxn = 2000 + 5;

int n, lo, hi;
int a[maxn];
ll pref[maxn];

signed main() {
    cin >> n >> lo >> hi;
    For (i, 1, n) cin >> a[i];

    For (i, 1, n) {
        pref[i] = pref[i - 1] + a[i];
    }

    ll ans = linf;

    Rep (mask, 1 << (n - 1)) {
        int cnt = __builtin_popcount(mask);
        if (!(lo <= cnt && cnt <= hi)) continue;

        int pre = 0;
        ll temp = 0;

        Rep (i, n - 1) {
            if (mask >> i & 1) {
                temp |= (pref[i + 1] - pref[pre]);
                pre = i + 1;
            }
        }

        temp |= (pref[n] - pref[pre]);
        chmin(ans, temp);
    }

    cout << ans << '\n';
}

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