結果

問題 No.1247 ブロック登り
ユーザー 👑 hitonanodehitonanode
提出日時 2020-10-03 13:47:33
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 249 ms / 3,000 ms
コード長 5,281 bytes
コンパイル時間 3,214 ms
コンパイル使用メモリ 222,880 KB
実行使用メモリ 215,348 KB
最終ジャッジ日時 2023-09-25 05:11:02
合計ジャッジ時間 7,607 ms
ジャッジサーバーID
(参考情報)
judge13 / judge14
このコードへのチャレンジ
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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 3 ms
7,520 KB
testcase_01 AC 3 ms
9,544 KB
testcase_02 AC 3 ms
9,752 KB
testcase_03 AC 2 ms
5,628 KB
testcase_04 AC 3 ms
11,760 KB
testcase_05 AC 3 ms
13,816 KB
testcase_06 AC 2 ms
5,428 KB
testcase_07 AC 10 ms
40,828 KB
testcase_08 AC 11 ms
44,952 KB
testcase_09 AC 8 ms
36,276 KB
testcase_10 AC 7 ms
30,328 KB
testcase_11 AC 241 ms
215,020 KB
testcase_12 AC 224 ms
208,440 KB
testcase_13 AC 243 ms
215,032 KB
testcase_14 AC 243 ms
215,216 KB
testcase_15 AC 241 ms
215,224 KB
testcase_16 AC 241 ms
215,348 KB
testcase_17 AC 239 ms
215,020 KB
testcase_18 AC 233 ms
206,888 KB
testcase_19 AC 26 ms
37,428 KB
testcase_20 AC 10 ms
18,372 KB
testcase_21 AC 3 ms
8,132 KB
testcase_22 AC 45 ms
212,644 KB
testcase_23 AC 43 ms
212,880 KB
testcase_24 AC 39 ms
212,308 KB
testcase_25 AC 236 ms
215,032 KB
testcase_26 AC 247 ms
215,288 KB
testcase_27 AC 249 ms
215,020 KB
testcase_28 AC 249 ms
215,148 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#pragma GCC optimize("O3", "unroll-loops")
#pragma GCC target("avx")
#include <bits/stdc++.h>
using namespace std;
using lint = long long;
using pint = pair<int, int>;
using plint = pair<lint, lint>;
struct fast_ios {
    fast_ios() { cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); };
} fast_ios_;
#define FOR(i, begin, end) for (int i = (begin), i##_end_ = (end); i < i##_end_; i++)
#define IFOR(i, begin, end) for (int i = (end)-1, i##_begin_ = (begin); i >= i##_begin_; i--)
#define REP(i, n) FOR(i, 0, n)
#define IREP(i, n) IFOR(i, 0, n)
#define ALL(x) (x).begin(), (x).end()
//
template <typename T, typename V>
void ndarray(vector<T>& vec, const V& val, int len) { vec.assign(len, val); }
template <typename T, typename V, typename... Args>
void ndarray(vector<T>& vec, const V& val, int len, Args... args)
{
    vec.resize(len), for_each(begin(vec), end(vec), [&](T& v) { ndarray(v, val, args...); });
}
template <typename T>
bool chmax(T& m, const T q) { return m < q ? (m = q, true) : false; }
template <typename T>
bool chmin(T& m, const T q) { return m > q ? (m = q, true) : false; }
template <typename T1, typename T2>
pair<T1, T2> operator+(const pair<T1, T2>& l, const pair<T1, T2>& r) { return make_pair(l.first + r.first, l.second + r.second); }
template <typename T1, typename T2>
pair<T1, T2> operator-(const pair<T1, T2>& l, const pair<T1, T2>& r) { return make_pair(l.first - r.first, l.second - r.second); }
template <typename T>
vector<T> srtunq(vector<T> vec) { return sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()), vec; }
template <typename T>
istream& operator>>(istream& is, vector<T>& vec)
{
    return for_each(begin(vec), end(vec), [&](T& v) { is >> v; }), is;
}

// output
template <typename T, typename V>
ostream& dmpseq(ostream&, const T&, const string&, const string&, const string&);
#if __cplusplus >= 201703L
template <typename... T>
ostream& operator<<(ostream& os, const tuple<T...>& tpl)
{
    return apply([&os](auto&&... args) { ((os << args << ','), ...); }, tpl), os;
}
#endif
//
template <typename T1, typename T2>
ostream& operator<<(ostream& os, const pair<T1, T2>& p) { return os << '(' << p.first << ',' << p.second << ')'; }
template <typename T>
ostream& operator<<(ostream& os, const vector<T>& x) { return dmpseq<vector<T>, T>(os, x, "[", ",", "]"); }
template <typename T>
ostream& operator<<(ostream& os, const deque<T>& x) { return dmpseq<deque<T>, T>(os, x, "deq[", ",", "]"); }
template <typename T>
ostream& operator<<(ostream& os, const set<T>& x) { return dmpseq<set<T>, T>(os, x, "{", ",", "}"); }
template <typename T, typename TH>
ostream& operator<<(ostream& os, const unordered_set<T, TH>& x) { return dmpseq<unordered_set<T, TH>, T>(os, x, "{", ",", "}"); }
template <typename T>
ostream& operator<<(ostream& os, const multiset<T>& x) { return dmpseq<multiset<T>, T>(os, x, "{", ",", "}"); }
template <typename TK, typename T>
ostream& operator<<(ostream& os, const map<TK, T>& x) { return dmpseq<map<TK, T>, pair<TK, T>>(os, x, "{", ",", "}"); }
template <typename TK, typename T, typename TH>
ostream& operator<<(ostream& os, const unordered_map<TK, T, TH>& x) { return dmpseq<unordered_map<TK, T, TH>, pair<TK, T>>(os, x, "{", ",", "}"); }
template <typename T, typename V>
ostream& dmpseq(ostream& os, const T& seq, const string& pre, const string& sp, const string& suf)
{
    return os << pre, for_each(begin(seq), end(seq), [&](V x) { os << x << sp; }), os << suf;
}
template <typename T>
void print(const vector<T>& x) { dmpseq<vector<T>, T>(cout, x, "", " ", "\n"); }
#ifdef HITONANODE_LOCAL
#define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl
#else
#define dbg(x) {}
#endif


int main()
{
    int N, K;
    cin >> N >> K;
    vector<int> A(N);
    cin >> A;

    constexpr int INF = 2e9;
    // vector dpl(K + 1, vector(N, vector(N, -INF)));
    // vector dpr(K + 1, vector(N, vector(N, -INF)));
    int dpl[301][300][300];
    int dpr[301][300][300];
    // array<array<array<int, 300>, 300>, 301> dpl;
    // array<array<array<int, 300>, 300>, 301> dpr;
    REP(k, K + 1) REP(i, N) REP(j, N) dpl[k][i][j] = dpr[k][i][j] = -INF;
    REP(i, N) dpl[K][i][i] = dpr[K][i][i] = A[i] * K;

    IFOR(k, 1, K + 1)
    {
        REP(l, N) FOR(r, l, N)
        {
            if (l < r and k > 1)
            {
                chmax(dpl[k - 2][l][r], dpl[k][l][r]);
                chmax(dpr[k - 2][l][r], dpr[k][l][r]);
            }
            if (l) chmax(dpl[k - 1][l - 1][r], dpl[k][l][r] + A[l - 1] * (k - 1));
            if (r + 1 < N) chmax(dpr[k - 1][l][r + 1], dpr[k][l][r] + A[r + 1] * (k - 1));

            if (k - (r - l) >= 0) chmax(dpr[k - (r - l)][l][r], dpl[k][l][r]);
            if (k - (r - l) >= 0) chmax(dpl[k - (r - l)][l][r], dpr[k][l][r]);
        }
    }

    IFOR(k, 1, K + 1)
    {
        REP(l, N) FOR(r, l + 1, N)
        {
            chmax(dpl[k - 1][l + 1][r], dpl[k][l][r]);
            chmax(dpr[k - 1][l][r - 1], dpr[k][l][r]);
        }
    }
    REP(i, N)
    {
        int ret = -INF;
        REP(j, N)
        {
            if (j <= i) chmax(ret, dpr[0][j][i]);
            if (i <= j) chmax(ret, dpl[0][i][j]);
        }
        cout << ret << '\n';
    }
}
0