#503052 (C++14) No.1095 Smallest Kadomatsu Subsequence

• 問題: No.1095 Smallest Kadomatsu Subsequence
• ユーザー: haruki_K
• 提出日時: 2020-06-26 21:44:16
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 302 ms / 2,000 ms
• コード長: 4,516 bytes
• コンパイル時間: 1,856 ms
• コンパイル使用メモリ: 175,548 KB
• 実行使用メモリ: 14,208 KB
• 最終ジャッジ日時: 2024-07-04 20:28:21
• 合計ジャッジ時間: 5,406 ms
• ジャッジサーバーID （参考情報）: judge1 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	2 ms; 5,248 KB
testcase_01	AC	2 ms; 5,376 KB
testcase_02	AC	2 ms; 5,376 KB
testcase_03	AC	2 ms; 5,376 KB
testcase_04	AC	2 ms; 5,376 KB
testcase_05	AC	2 ms; 5,376 KB
testcase_06	AC	2 ms; 5,376 KB
testcase_07	AC	1 ms; 5,376 KB
testcase_08	AC	2 ms; 5,376 KB
testcase_09	AC	2 ms; 5,376 KB
testcase_10	AC	2 ms; 5,376 KB
testcase_11	AC	1 ms; 5,376 KB
testcase_12	AC	2 ms; 5,376 KB
testcase_13	AC	9 ms; 5,376 KB
testcase_14	AC	9 ms; 5,376 KB
testcase_15	AC	9 ms; 5,376 KB
testcase_16	AC	9 ms; 5,376 KB
testcase_17	AC	8 ms; 5,376 KB
testcase_18	AC	9 ms; 5,376 KB
testcase_19	AC	9 ms; 5,376 KB
testcase_20	AC	9 ms; 5,376 KB
testcase_21	AC	9 ms; 5,376 KB
testcase_22	AC	9 ms; 5,376 KB
testcase_23	AC	299 ms; 14,208 KB
testcase_24	AC	302 ms; 14,208 KB
testcase_25	AC	287 ms; 14,208 KB
testcase_26	AC	285 ms; 14,208 KB
testcase_27	AC	300 ms; 14,208 KB
testcase_28	AC	167 ms; 14,208 KB
testcase_29	AC	170 ms; 14,208 KB
testcase_30	AC	219 ms; 14,208 KB
testcase_31	AC	221 ms; 14,208 KB
testcase_32	AC	229 ms; 14,208 KB

ソースコード

// >>> TEMPLATES
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using i32 = int32_t;
using i64 = int64_t;
using u32 = uint32_t;
using u64 = uint64_t;
#define int ll
#define double ld
#define rep(i,n) for (int i = 0; i < (int)(n); i++)
#define rep1(i,n) for (int i = 1; i <= (int)(n); i++)
#define repR(i,n) for (int i = (int)(n)-1; i >= 0; i--)
#define rep1R(i,n) for (int i = (int)(n); i >= 1; i--)
#define loop(i,a,B) for (int i = a; i B; i++)
#define loopR(i,a,B) for (int i = a; i B; i--)
#define all(x) (x).begin(), (x).end()
#define allR(x) (x).rbegin(), (x).rend()
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fst first
#define snd second
template <class Int> auto constexpr inf = numeric_limits<Int>::max()/2-1;
auto constexpr INF32 = inf<int32_t>;
auto constexpr INF64 = inf<int64_t>;
auto constexpr INF   = inf<int>;
#ifdef LOCAL
#include "debug.hpp"
#else
#define dump(...) (void)(0)
#define say(x) (void)(0)
#define debug if (0)
#endif
template <class T> using pque_max = priority_queue<T>;
template <class T> using pque_min = priority_queue<T, vector<T>, greater<T> >;
template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type>
ostream& operator<<(ostream& os, T const& v) { bool f = true; for (auto const& x : v) os << (f ? "" : " ") << x, f = false; return os; }
template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type>
istream& operator>>(istream& is, T &v) { for (auto& x : v) is >> x; return is; }
template <class T, class S> ostream& operator<<(ostream& os, pair<T,S> const& p) { return os << "(" << p.first << ", " << p.second << ")"; }
template <class T, class S> istream& operator>>(istream& is, pair<T,S>& p) { return is >> p.first >> p.second; }
struct IOSetup { IOSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } iosetup;
template <class F> struct FixPoint : private F {
    constexpr FixPoint(F&& f) : F(forward<F>(f)) {}
    template <class... T> constexpr auto operator()(T&&... x) const { return F::operator()(*this, forward<T>(x)...); }
};
struct MakeFixPoint {
    template <class F> constexpr auto operator|(F&& f) const { return FixPoint<F>(forward<F>(f)); }
};
#define MFP MakeFixPoint()|
#define def(name, ...) auto name = MFP [&](auto &&name, __VA_ARGS__)
template <class T, size_t d> struct vec_impl {
    using type = vector<typename vec_impl<T,d-1>::type>;
    template <class... U> static type make_v(size_t n, U&&... x) { return type(n, vec_impl<T,d-1>::make_v(forward<U>(x)...)); }
};
template <class T> struct vec_impl<T,0> { using type = T; static type make_v(T const& x = {}) { return x; } };
template <class T, size_t d = 1> using vec = typename vec_impl<T,d>::type;
template <class T, size_t d = 1, class... Args> auto make_v(Args&&... args) { return vec_impl<T,d>::make_v(forward<Args>(args)...); }
template <class T> void quit(T const& x) { cout << x << endl; exit(0); }
template <class T, class U> constexpr bool chmin(T& x, U const& y) { if (x > y) { x = y; return true; } return false; }
template <class T, class U> constexpr bool chmax(T& x, U const& y) { if (x < y) { x = y; return true; } return false; }
template <class It> constexpr auto sumof(It b, It e) { return accumulate(b,e,typename iterator_traits<It>::value_type{}); }
template <class T> int sz(T const& x) { return x.size(); }
template <class C, class T> int lbd(C const& v, T const& x) {
    return lower_bound(v.begin(), v.end(), x)-v.begin();
}
template <class C, class T> int ubd(C const& v, T const& x) {
    return upper_bound(v.begin(), v.end(), x)-v.begin();
}
template <class C, class F> int ppt(C const& v, F f) {
    return partition_point(v.begin(), v.end(), f)-v.begin();
}
// <<<

int32_t main() {
    int n; cin >> n;
    vector<int> a(n); cin >> a;

    set<int> L, R;
    rep (i,n) R.insert(a[i]);

    int mi = INF;
    rep (i,n) {
        R.erase(a[i]);
        if (L.size() && R.size()) {
            auto it = L.lower_bound(a[i]);
            auto jt = R.lower_bound(a[i]);
            if (it != L.end() && jt != R.end()) {
                chmin(mi,a[i]+*it+*jt);
            }
            it = L.begin();
            jt = R.begin();
            if (it != L.end() && jt != R.end() && *it < a[i] && *jt < a[i]) {
                chmin(mi,a[i]+*it+*jt);
            }
        }
        L.insert(a[i]);
    }
    cout << (mi == INF ? -1 : mi) << endl;

}