#606259 (C++17) No.1341 真ん中を入れ替えて門松列

提出ソース

結果

問題	No.1341 真ん中を入れ替えて門松列
ユーザー	haruki_K
提出日時	2021-01-17 11:27:29
言語	C++17 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	744 ms / 2,000 ms
コード長	7,116 bytes
コンパイル時間	2,828 ms
コンパイル使用メモリ	219,344 KB
実行使用メモリ	5,376 KB
最終ジャッジ日時	2024-05-06 23:55:57
合計ジャッジ時間	10,496 ms
ジャッジサーバーID （参考情報）	judge3 / judge4

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テストケース

テストケース表示

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 5,248 KB
testcase_02	AC	2 ms 5,248 KB
testcase_03	AC	2 ms 5,248 KB
testcase_04	AC	2 ms 5,376 KB
testcase_05	AC	2 ms 5,376 KB
testcase_06	AC	4 ms 5,376 KB
testcase_07	AC	512 ms 5,376 KB
testcase_08	AC	322 ms 5,376 KB
testcase_09	AC	342 ms 5,376 KB
testcase_10	AC	665 ms 5,376 KB
testcase_11	AC	666 ms 5,376 KB
testcase_12	AC	620 ms 5,376 KB
testcase_13	AC	662 ms 5,376 KB
testcase_14	AC	744 ms 5,376 KB
testcase_15	AC	696 ms 5,376 KB
testcase_16	AC	663 ms 5,376 KB
testcase_17	AC	674 ms 5,376 KB
testcase_18	AC	342 ms 5,376 KB

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ソースコード

raw source code

// >>> 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 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) begin(x), end(x)
#define allR(x) rbegin(x), rend(x)
#define rng(x,l,r) begin(x) + (l), begin(x) + (r)
#define pb push_back
#define eb emplace_back
#define fst first
#define snd second
template <class A, class B> auto mp(A &&a, B &&b) { return make_pair(forward<A>(a), forward<B>(b)); }
template <class... T> auto mt(T&&... x) { return make_tuple(forward<T>(x)...); }
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, class Comp> struct pque : priority_queue<T, vector<T>, Comp> {
    vector<T> &data() { return this->c; }
    void clear() { this->c.clear(); }
};
template <class T> using pque_max = pque<T, less<T>>;
template <class T> using pque_min = pque<T, greater<T>>;
template <class T, class = typename T::iterator, enable_if_t<!is_same<T, string>::value, int> = 0>
ostream& operator<<(ostream& os, T const& a) { bool f = true; for (auto const& x : a) os << (f ? "" : " ") << x, f = false; return os; }
template <class T, size_t N, enable_if_t<!is_same<T, char>::value, int> = 0>
ostream& operator<<(ostream& os, const T (&a)[N]) { bool f = true; for (auto const& x : a) os << (f ? "" : " ") << x, f = false; return os; }
template <class T, class = decltype(begin(declval<T&>())), class = typename enable_if<!is_same<T, string>::value>::type>
istream& operator>>(istream& is, T &a) { for (auto& x : a) 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(begin(v), end(v), x)-begin(v); }
template <class C, class T> int ubd(C const& v, T const& x) { return upper_bound(begin(v), end(v), x)-begin(v); }
const int dx[] = { 1,0,-1,0,1,-1,-1,1 };
const int dy[] = { 0,1,0,-1,1,1,-1,-1 };
constexpr int popcnt(ll x) { return __builtin_popcountll(x); }
// [a,b]
template <class Int> Int rand(Int a, Int b) { static mt19937_64 mt{random_device{}()}; return uniform_int_distribution<Int>(a,b)(mt); }
i64 irand(i64 a, i64 b) { return rand<i64>(a,b); }
u64 urand(u64 a, u64 b) { return rand<u64>(a,b); }
template <class It> void shuffle(It l, It r) { shuffle(l, r, mt19937_64(random_device{}())); }
// <<<
// >>> reord

void reord_impl(vector<int> const&) { }
template <class C, class... Args>
void reord_impl(vector<int> const& idx, C& v, Args&&... args) {
    auto t = v;
    rep (i,v.size()) t[i] = v[idx[i]];
    swap(v,t);
    reord_impl(idx, forward<Args>(args)...);
}
template <class Comp, class C, class... Args,
          class = decltype(declval<Comp>()(0,0))>
void reord(Comp comp, C& v, Args&&... args) {
    vector<int> idx(v.size());
    iota(idx.begin(), idx.end(), 0);
    sort(idx.begin(), idx.end(), comp);
    reord_impl(idx, v, args...);
}
template <class C, class... Args>
void reord(C& v, Args&&... args) {
    vector<int> idx(v.size());
    iota(idx.begin(), idx.end(), 0);
    sort(idx.begin(), idx.end(), [&](int i, int j) { return v[i] < v[j]; });
    reord_impl(idx, v, args...);
}
template <class C, class... Args>
void reordR(C& v, Args&&... args) {
    vector<int> idx(v.size());
    iota(idx.begin(), idx.end(), 0);
    sort(idx.begin(), idx.end(), [&](int i, int j) { return v[i] > v[j]; });
    reord_impl(idx, v, args...);
}

// <<<

int32_t main() {
    int n, m; cin >> n >> m;
    vector<int> a(n), b(n), c(n);
    rep (i, n) {
        cin >> a[i] >> b[i] >> c[i];
        if (a[i] > c[i]) swap(a[i], c[i]);
    }
    sort(all(b));
    reord(c, a);

    auto f = [&](int k) -> int {
        multiset<int> s;
        rep (i, k) s.insert(b[i]);
        vector<int> B;
        loop (i, k, <n) B.eb(b[i]);
        int sum = 0;
        repR (i, n) {
            auto it = s.lower_bound(a[i]);
            if (it == s.begin()) {
                if (B.size() and c[i] < B.back()) {
                    sum += B.back();
                    B.pop_back();
                } else {
                    return -1;
                }
            } else {
                sum += c[i];
                s.erase(--it);
            }
        }
        return sum;
    };

    // int l = -1, r = n+1;
    // while (l+2 < r) {
    //     auto m1 = (l*2+r)/3;
    //     auto m2 = (l+r*2)/3;
    //     if (f(m1) <= f(m2)) {
    //         l = m1;
    //     } else {
    //         r = m2;
    //     }
    // }
    // int res = f((l+r)/2);
    // dump((l+r)/2, n, res);

    int res = -1;
    rep (k, n+1) chmax(res, f(k));

    if (res == -1) {
        cout << "NO" << "\n";
    } else {
        cout << "YES" << "\n";
        cout << (res >= m ? "KADOMATSU!" : "NO") << "\n";
    }

}

yukicoder

結果

テストケース

ソースコード