結果

問題 No.1733 Sum of Sorted Subarrays
ユーザー minatominato
提出日時 2023-03-07 17:49:57
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 883 ms / 3,000 ms
コード長 25,277 bytes
コンパイル時間 2,994 ms
コンパイル使用メモリ 231,368 KB
実行使用メモリ 21,132 KB
最終ジャッジ日時 2024-09-18 02:12:36
合計ジャッジ時間 17,070 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
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 2 ms
6,816 KB
testcase_01 AC 2 ms
6,944 KB
testcase_02 AC 2 ms
6,944 KB
testcase_03 AC 2 ms
6,944 KB
testcase_04 AC 2 ms
6,940 KB
testcase_05 AC 2 ms
6,940 KB
testcase_06 AC 2 ms
6,940 KB
testcase_07 AC 2 ms
6,940 KB
testcase_08 AC 414 ms
12,896 KB
testcase_09 AC 702 ms
19,064 KB
testcase_10 AC 379 ms
12,428 KB
testcase_11 AC 497 ms
13,652 KB
testcase_12 AC 544 ms
17,288 KB
testcase_13 AC 545 ms
17,284 KB
testcase_14 AC 834 ms
20,560 KB
testcase_15 AC 765 ms
19,672 KB
testcase_16 AC 384 ms
12,304 KB
testcase_17 AC 848 ms
20,824 KB
testcase_18 AC 638 ms
18,452 KB
testcase_19 AC 675 ms
18,904 KB
testcase_20 AC 595 ms
18,152 KB
testcase_21 AC 752 ms
19,796 KB
testcase_22 AC 463 ms
13,476 KB
testcase_23 AC 862 ms
21,132 KB
testcase_24 AC 866 ms
21,128 KB
testcase_25 AC 883 ms
21,128 KB
testcase_26 AC 452 ms
21,128 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 #

#line 1 "library-cpp/other/template.hpp"
// clang-format off
#include <bits/stdc++.h>
using namespace std;
using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
using i128 = __int128_t;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
template <class T> using maxheap = priority_queue<T>;
template <class T> using minheap = priority_queue<T, vector<T>, greater<T>>;
template <class T> using vec = vector<T>;
template <class T> using vvec = vector<vector<T>>;
#define OVERLOAD_REP(_1, _2, _3, name, ...) name
#define REP0(n) for (auto minato = decay_t<decltype(n)>{}; minato < (n); ++minato)
#define REP1(i, n) for (auto i = decay_t<decltype(n)>{}; (i) < (n); (i)++)
#define REP2(i, l, r) for (auto i = (l); (i) < (r); (i)++)
#define rep(...) OVERLOAD_REP(__VA_ARGS__, REP2, REP1, REP0)(__VA_ARGS__)
#define OVERLOAD_RREP(_1, _2, _3, name, ...) name
#define RREP1(i, n) for (auto i = (n) - 1; (i) >= decay_t<decltype(n)>{}; (i)--)
#define RREP2(i, l, r) for (auto i = (r) - 1; (i) >= (l); (i)--)
#define rrep(...) OVERLOAD_RREP(__VA_ARGS__, RREP2, RREP1)(__VA_ARGS__)
#define all(x) begin(x), end(x)
template <class Container> int SZ(const Container& v) { return int(v.size()); }
template <class T> void UNIQUE(vector<T>& v) { v.erase(unique(v.begin(), v.end()), v.end()); }
template <class T> T MAX(const vector<T>& v) { return *max_element(v.begin(), v.end()); }
template <class T> T MIN(const vector<T>& v) { return *min_element(v.begin(), v.end()); }
template <class T> T SUM(const vector<T>& v) { return accumulate(v.begin(), v.end(), T(0)); }
template <class T> T ABS(T x) { return max(x, -x); }
template <class T1, class T2> bool chmax(T1& a, T2 b) { if (a < b) { a = b; return true; } return false; }
template <class T1, class T2> bool chmin(T1& a, T2 b) { if (a > b) { a = b; return true; } return false; }
int topbit(ull x) { return x == 0 ? -1 : 63 - __builtin_clzll(x); }
int botbit(ull x) { return x == 0 ? 64 : __builtin_ctzll(x); }
int popcount(ull x) { return __builtin_popcountll(x); }
int kthbit(ull x, int k) { return (x >> k) & 1; }
constexpr long long TEN(int x) { return x == 0 ? 1 : TEN(x - 1) * 10; }
template <typename S> void rearrange(const vector<S>& id) { (void)id; }
template <typename S, typename T> void rearrange_exec(const vector<S>& id, vector<T>& v) { vector<T> w(v.size()); for (size_t i = 0; i < id.size(); i++) { w[i] = v[id[i]]; } v.swap(w); }
template <typename S, typename Head, typename... Tail> void rearrange(const vector<S>& id, Head& a, Tail& ...tail) { rearrange_exec(id, a); rearrange(id, tail...); }
istream& operator>>(istream& is, __int128_t& x) {
    x = 0;
    string s;
    is >> s;
    int n = int(s.size()), it = 0;
    if (s[0] == '-') it++;
    for (; it < n; it++) x = (x * 10 + s[it] - '0');
    if (s[0] == '-') x = -x;
    return is;
}
ostream& operator<<(ostream& os, __int128_t x) {
    if (x == 0) return os << 0;
    if (x < 0) os << '-', x = -x;
    deque<int> deq;
    while (x) deq.emplace_front(x % 10), x /= 10;
    for (int e : deq) os << e;
    return os;
}
template <class T> vector<T> &operator++(vector<T>& v) { for (auto& e : v) { e++; } return v;} 
template <class T> vector<T> operator++(vector<T>& v, int) { auto res = v; for (auto& e : v) { e++; } return res; }
template <class T> vector<T> &operator--(vector<T>& v) { for (auto& e : v) { e--; } return v; }
template <class T> vector<T> operator--(vector<T>& v, int) { auto res = v; for (auto& e : v) { e--; } return res; }
template <class T1, class T2> pair<T1, T2> operator-(const pair<T1, T2>& x) { return pair<T1, T2>(-x.first, -x.second); }
template <class T1, class T2> pair<T1, T2> operator-(const pair<T1, T2>& x, const pair<T1, T2>& y) { return pair<T1, T2>(x.first - y.first, x.second - y.second); }
template <class T1, class T2> pair<T1, T2> operator+(const pair<T1, T2>& x, const pair<T1, T2>& y) { return pair<T1, T2>(x.first + y.first, x.second + y.second); }
template <class T1, class T2> pair<T1, T2> operator+=(pair<T1, T2>& l, const pair<T1, T2>& r) { return l = l + r; }
template <class T1, class T2> pair<T1, T2> operator-=(pair<T1, T2>& l, const pair<T1, T2>& r) { return l = l - r; }
constexpr char ln = '\n';
const string YESNO[2] = {"NO", "YES"};
const string YesNo[2] = {"No", "Yes"};
void YES(bool t = true) { cout << YESNO[t] << "\n"; }
void NO(bool t = 1) { YES(!t); }
void Yes(bool t = true) { cout << YesNo[t] << "\n"; }
void No(bool t = 1) { Yes(!t); }
template <class T> void drop(T x) { cout << x << "\n"; exit(0); }
#define INT(...)     \
    int __VA_ARGS__; \
    IN(__VA_ARGS__)
#define LL(...)     \
    ll __VA_ARGS__; \
    IN(__VA_ARGS__)
#define STR(...)        \
    string __VA_ARGS__; \
    IN(__VA_ARGS__)
#define CHR(...)      \
    char __VA_ARGS__; \
    IN(__VA_ARGS__)
#define LDB(...)             \
    long double __VA_ARGS__; \
    IN(__VA_ARGS__)
#define VEC(type, name, size) \
    vector<type> name(size);  \
    IN(name)
#define VEC2(type, name1, name2, size)     \
    vector<type> name1(size), name2(size); \
    for (int i = 0; i < size; i++) IN(name1[i], name2[i])
#define VEC3(type, name1, name2, name3, size)           \
    vector<type> name1(size), name2(size), name3(size); \
    for (int i = 0; i < size; i++) IN(name1[i], name2[i], name3[i])
#define VEC4(type, name1, name2, name3, name4, size)                 \
    vector<type> name1(size), name2(size), name3(size), name4(size); \
    for (int i = 0; i < size; i++) IN(name1[i], name2[i], name3[i], name4[i]);
#define VV(type, name, N, M)                       \
    vector<vector<type>> name(N, vector<type>(M)); \
    IN(name)
template <class T> void scan(T& a) { cin >> a; }
template <class T> void scan(vector<T>& a) { for (auto& i : a) scan(i); }
void IN() {}
template <class Head, class... Tail> void IN(Head& head, Tail&... tail) { scan(head); IN(tail...); }
void print() { cout << "\n"; }
template <class T> void print(const vector<T>& v) { for (auto it = v.begin(); it != v.end(); ++it) { if (it != v.begin()) { cout << " "; } cout << *it; } print(); }
template <class T, class... Args> void print(const T& x, const Args& ... args) { cout << x; if (sizeof...(Args)) cout << " "; print(args...); }
#ifdef MINATO_LOCAL
template <class T1, class T2> ostream& operator<<(ostream& os, pair<T1, T2> p) { return os << "(" << p.first << ", " << p.second << ")"; }
template <size_t N, class TUPLE> void debug_tuple(ostream& os, TUPLE _) { (void)os; (void)_; }
template <size_t N, class TUPLE, class T, class ...Args> void debug_tuple(ostream &os, TUPLE t) { os << (N == 0 ? "" : ", ") << get<N>(t); debug_tuple<N + 1, TUPLE, Args...>(os, t); }
template <class ...Args> ostream& operator<<(ostream& os, tuple<Args...> t) { os << "("; debug_tuple<0, tuple<Args...>, Args...>(os, t); return os << ")"; }
string debug_delim(int& i) { return i++ == 0 ? "" : ", "; }
#define debug_embrace(x) { int i = 0; os << "{";  { x } return os << "}"; }
template <class T> ostream& operator<<(ostream& os, vector<T> v) { debug_embrace( for (T e : v) { os << debug_delim(i) << e; } ) }
template <class T, size_t N> ostream& operator<<(ostream& os, array<T, N> a) { debug_embrace( for (T e : a) { os << debug_delim(i) << e; } ) }
template <class T, size_t N> enable_if_t<!is_same_v<char, remove_cv_t<T>>, ostream>& operator<<(ostream& os, T(&a)[N]) { debug_embrace( for (T e : a) { os << debug_delim(i) << e; } ) }
template <class Key> ostream& operator<<(ostream& os, set<Key> s) { debug_embrace( for (Key e : s) { os << debug_delim(i) << e; }) }
template <class Key, class T> ostream& operator<<(ostream& os, map<Key, T> mp) { debug_embrace( for (auto e : mp) { os << debug_delim(i) << e; }) }
template <class Key> ostream& operator<<(ostream& os, multiset<Key> s) { debug_embrace( for (Key e : s) { os << debug_delim(i) << e; }) }
template <class T> ostream& operator<<(ostream& os, queue<T> q) { debug_embrace( for (; !q.empty(); q.pop()) { os << debug_delim(i) << q.front(); } ) }
template <class T> ostream& operator<<(ostream& os, deque<T> q) { debug_embrace( for (T e : q) { os << debug_delim(i) << e; } ) }
template <class T> ostream& operator<<(ostream& os, priority_queue<T> q) { debug_embrace( for (; !q.empty(); q.pop()) { os << debug_delim(i) << q.top(); } ) }
template <class T> ostream& operator<<(ostream& os, priority_queue<T, vector<T>, greater<T>> q) { debug_embrace( for (; !q.empty(); q.pop()) { os << debug_delim(i) << q.top(); } ) }
void debug_out() { cerr << endl; }
template <class T, class... Args> void debug_out(const T& x, const Args& ... args) { cerr << " " << x; debug_out(args...); }
#define debug(...) cerr << __LINE__ << " : [" << #__VA_ARGS__ << "] =", debug_out(__VA_ARGS__)
#else
#define debug(...) (void(0))
#endif
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// clang-format on
#line 1 "library-cpp/segmenttree/LazySegmentTree.hpp"
template <class T, class U, class F, class G, class H> struct LazySegmentTree {
  private:
    F op;
    G mapping;
    H composition;
    T e;
    U id;
    int _n, size, log;
    vector<T> node;
    vector<U> lazy;

  public:
    LazySegmentTree() {
    }
    LazySegmentTree(const F& op,
                    const G& mapping,
                    const H& composition,
                    T e,
                    U id,
                    int n)
        : LazySegmentTree(op, mapping, composition, e, id, vector<T>(n, e)) {
    }
    LazySegmentTree(const F& op,
                    const G& mapping,
                    const H& composition,
                    T e,
                    U id,
                    const vector<T>& v)
        : op(op),
          mapping(mapping),
          composition(composition),
          e(e),
          id(id),
          _n(int(v.size())),
          log(0) {
        while ((1 << log) < _n) log++;
        size = 1 << log;
        node = vector<T>(2 * size, e);
        lazy = vector<U>(size, id);
        for (int i = 0; i < _n; i++) node[size + i] = v[i];
        for (int i = size - 1; i >= 1; i--) {
            update(i);
        }
    }

    void set(int p, T x) {
        assert(0 <= p && p < _n);
        p += size;
        for (int i = log; i >= 1; i--) push(p >> i);
        node[p] = x;
        for (int i = 1; i <= log; i++) update(p >> i);
    }

    // [l, r) (0-indexed)
    T get(int l, int r) {
        if (l >= r) return e;

        l += size;
        r += size;

        for (int i = log; i >= 1; i--) {
            if (((l >> i) << i) != l) push(l >> i);
            if (((r >> i) << i) != r) push(r >> i);
        }

        T sml = e, smr = e;
        while (l < r) {
            if (l & 1) sml = op(sml, node[l++]);
            if (r & 1) smr = op(node[--r], smr);
            l >>= 1;
            r >>= 1;
        }

        return op(sml, smr);
    }

    T all_get() const {
        return node[1];
    }

    void apply(int p, U val) {
        assert(0 <= p && p < _n);
        p += size;
        for (int i = log; i >= 1; i--) push(p >> i);
        node[p] = val == id ? node[p] : mapping(node[p], val);
        for (int i = 1; i <= log; i++) update(p >> i);
    }

    void apply(int l, int r, U val) {
        if (l >= r) return;

        l += size;
        r += size;

        for (int i = log; i >= 1; i--) {
            if (((l >> i) << i) != l) push(l >> i);
            if (((r >> i) << i) != r) push((r - 1) >> i);
        }

        {
            int l2 = l, r2 = r;
            while (l < r) {
                if (l & 1) all_apply(l++, val);
                if (r & 1) all_apply(--r, val);
                l >>= 1;
                r >>= 1;
            }
            l = l2;
            r = r2;
        }

        for (int i = 1; i <= log; i++) {
            if (((l >> i) << i) != l) update(l >> i);
            if (((r >> i) << i) != r) update((r - 1) >> i);
        }
    }

    template <typename C> int max_right(int l, const C& check) {
        assert(0 <= l && l <= _n);
        assert(check(e));
        if (l == _n) return _n;
        l += size;
        for (int i = log; i >= 1; i--) push(l >> i);
        T sm = e;
        do {
            while (~l & 1) l >>= 1;
            if (!check(op(sm, node[l]))) {
                while (l < size) {
                    push(l);
                    l = (2 * l);
                    if (check(op(sm, node[l]))) {
                        sm = op(sm, node[l]);
                        l++;
                    }
                }
                return l - size;
            }
            sm = op(sm, node[l]);
            l++;
        } while ((l & -l) != l);
        return _n;
    }

    template <typename C> int min_left(int r, const C& check) {
        assert(0 <= r && r <= _n);
        assert(check(e));
        if (r == 0) return 0;
        r += size;
        for (int i = log; i >= 1; i--) push((r - 1) >> i);
        T sm = e;
        do {
            r--;
            while (r > 1 && (r & 1)) r >>= 1;
            if (!check(op(node[r], sm))) {
                while (r < size) {
                    push(r);
                    r = (2 * r + 1);
                    if (check(op(node[r], sm))) {
                        sm = op(node[r], sm);
                        r--;
                    }
                }
                return r + 1 - size;
            }
            sm = op(node[r], sm);
        } while ((r & -r) != r);
        return 0;
    }

    T operator[](int p) {
        assert(0 <= p && p < _n);
        p += size;
        for (int i = log; i >= 1; i--) push(p >> i);
        return node[p];
    }
#ifdef MINATO_LOCAL
    friend ostream& operator<<(ostream& os, LazySegmentTree r) {
        vector<T> v(r.size());
        for (int i = 0; i < r.size(); i++) {
            v[i] = r[i];
        }
        os << v;
        return os;
    }
#endif

  private:
    void update(int k) {
        node[k] = op(node[2 * k], node[2 * k + 1]);
    }

    void all_apply(int k, U val) {
        node[k] = val == id ? node[k] : mapping(node[k], val);
        if (k < size) lazy[k] = composition(lazy[k], val);
    }

    void push(int k) {
        if (lazy[k] == id) return;
        all_apply(2 * k, lazy[k]);
        all_apply(2 * k + 1, lazy[k]);
        lazy[k] = id;
    }
};

/**
 * 区間更新区間最小値
 */
template <typename T, T INF> auto buildRangeSetRangeMin(const vector<T>& v) {
    auto f = [](T a, T b) { return min(a, b); };
    auto g = [](T a, T b) {
        (void)a;
        return b;
    };
    auto h = [](T a, T b) {
        (void)a;
        return b;
    };
    LazySegmentTree seg(f, g, h, INF, INF, v);
    return seg;
}

template <typename T, T INF> auto buildRangeSetRangeMin(int n) {
    return buildRangeSetRangeMin<T, INF>(vector<T>(n, INF));
}

/**
 * 区間更新区間最大値
 */
template <typename T, T INF> auto buildRangeSetRangeMax(const vector<T>& v) {
    auto f = [](T a, T b) { return max(a, b); };
    auto g = [](T a, T b) {
        (void)a;
        return b;
    };
    auto h = [](T a, T b) {
        (void)a;
        return b;
    };
    LazySegmentTree seg(f, g, h, -INF, -INF, v);
    return seg;
}

template <typename T, T INF> auto buildRangeSetRangeMax(int n) {
    return buildRangeSetRangeMax<T, INF>(vector<T>(n, -INF));
}

/**
 * 区間加算区間最小値
 */
template <typename T, T INF> auto buildRangeAddRangeMin(const vector<T>& v) {
    auto f = [](T a, T b) { return min(a, b); };
    auto g = [](T a, T b) { return a + b; };
    auto h = [](T a, T b) { return a + b; };
    LazySegmentTree seg(f, g, h, INF, T(0), v);
    return seg;
}

template <typename T, T INF> auto buildRangeAddRangeMin(int n) {
    return buildRangeAddRangeMin<T, INF>(vector<T>(n));
}

/**
 * 区間加算区間最大値
 */
template <typename T, T INF> auto buildRangeAddRangeMax(const vector<T>& v) {
    auto f = [](T a, T b) { return max(a, b); };
    auto g = [](T a, T b) { return a + b; };
    auto h = [](T a, T b) { return a + b; };
    LazySegmentTree seg(f, g, h, -INF, T(0), v);
    return seg;
}

template <typename T, T INF> auto buildRangeAddRangeMax(int n) {
    return buildRangeAddRangeMax<T, INF>(vector<T>(n));
}

/**
 * 区間更新区間和
 */
template <typename T, T ID> auto buildRangeSetRangeSum(const vector<T>& v) {
    using P = pair<T, int>;
    auto f = [](P a, P b) { return P(a.first + b.first, a.second + b.second); };
    auto g = [](P a, T b) { return P(b * a.second, a.second); };
    auto h = [](T a, T b) {
        (void)a;
        return b;
    };
    vector<P> w(v.size());
    for (size_t i = 0; i < v.size(); i++) {
        w[i] = P(v[i], 1);
    }
    LazySegmentTree seg(f, g, h, P(0, 0), ID, w);
    return seg;
}

template <typename T, T ID> auto buildRangeSetRangeSum(int n) {
    return buildRangeSetRangeSum<T, ID>(vec<T>(n));
}
#line 2 "library-cpp/datastructure/BinaryIndexedTree.hpp"

template <class T> struct BinaryIndexedTree {
    int n;
    vector<T> data;

    BinaryIndexedTree() {
    }
    BinaryIndexedTree(int n) : n(n), data(n + 1, 0) {
    }

    int size() const {
        return n;
    }

    /**
     * (0-indexed)
     * a[i] += x
     */
    void add(int i, T x) {
        assert(0 <= i and i < n);
        for (++i; i <= n; i += i & -i) data[i] += x;
    }

    // [0,i) (0-indexed) a[0] + … + a[i-1]
    T sum(int i) const {
        assert(0 <= i and i <= n);
        T ret = 0;
        for (; i > 0; i -= i & -i) ret += data[i];
        return ret;
    }

    /**
     * [l, r) (0-indexed)
     * @return a[l] + … + a[r-1]
     */
    T sum(int l, int r) const {
        if (l >= r) return T(0);
        return sum(r) - sum(l);
    }

    /**
     * (0-indexed)
     * r = 0 or a[0] + a[1] + ... + a[r-1] < x
     * r = n or a[0] + a[1] + ... + a[r] >= x
     * a[0] + a[1] + ... + a[r] >= x となる最小の r を返す。
     */
    int lower_bound(T x) const {
        int k = 1;
        int ret = 0;
        while ((k << 1) <= n) k <<= 1;
        while (k > 0) {
            if (ret + k <= n and data[ret + k] < x) {
                x -= data[ret + k];
                ret += k;
            }
            k >>= 1;
        }
        return ret;
    }

    int upper_bound(T x) const {
        return lower_bound(x + 1);
    }

#ifdef MINATO_LOCAL
    friend ostream& operator<<(ostream& os, const BinaryIndexedTree& r) {
        vector<T> v(r.size());
        for (int i = 0; i < r.size(); i++) {
            v[i] = r.sum(i, i + 1);
        }
        os << v;
        return os;
    }
#endif
};
#line 1 "library-cpp/mod/ModInt.hpp"
template <int m> struct ModInt {
  public:
    static constexpr int mod() {
        return m;
    }
    static ModInt raw(int v) {
        ModInt x;
        x._v = v;
        return x;
    }

    ModInt() : _v(0) {
    }
    ModInt(long long v) {
        long long x = (long long)(v % (long long)(umod()));
        if (x < 0) x += umod();
        _v = (unsigned int)(x);
    }

    unsigned int val() const {
        return _v;
    }

    ModInt& operator++() {
        _v++;
        if (_v == umod()) _v = 0;
        return *this;
    }
    ModInt& operator--() {
        if (_v == 0) _v = umod();
        _v--;
        return *this;
    }
    ModInt operator++(int) {
        ModInt result = *this;
        ++*this;
        return result;
    }
    ModInt operator--(int) {
        ModInt result = *this;
        --*this;
        return result;
    }

    ModInt& operator+=(const ModInt& rhs) {
        _v += rhs._v;
        if (_v >= umod()) _v -= umod();
        return *this;
    }
    ModInt& operator-=(const ModInt& rhs) {
        _v -= rhs._v;
        if (_v >= umod()) _v += umod();
        return *this;
    }
    ModInt& operator*=(const ModInt& rhs) {
        unsigned long long z = _v;
        z *= rhs._v;
        _v = (unsigned int)(z % umod());
        return *this;
    }
    ModInt& operator^=(long long n) {
        ModInt x = *this;
        *this = 1;
        if (n < 0) x = x.inv(), n = -n;
        while (n) {
            if (n & 1) *this *= x;
            x *= x;
            n >>= 1;
        }
        return *this;
    }
    ModInt& operator/=(const ModInt& rhs) {
        return *this = *this * rhs.inv();
    }

    ModInt operator+() const {
        return *this;
    }
    ModInt operator-() const {
        return ModInt() - *this;
    }
    explicit operator bool() const {
        return _v != 0;
    }

    ModInt pow(long long n) const {
        ModInt r = *this;
        r ^= n;
        return r;
    }
    ModInt inv() const {
        int a = _v, b = umod(), y = 1, z = 0, t;
        for (;;) {
            t = a / b;
            a -= t * b;
            if (a == 0) {
                assert(b == 1 || b == -1);
                return ModInt(b * z);
            }
            y -= t * z;
            t = b / a;
            b -= t * a;
            if (b == 0) {
                assert(a == 1 || a == -1);
                return ModInt(a * y);
            }
            z -= t * y;
        }
    }

    friend ModInt operator+(const ModInt& lhs, const ModInt& rhs) {
        return ModInt(lhs) += rhs;
    }
    friend ModInt operator-(const ModInt& lhs, const ModInt& rhs) {
        return ModInt(lhs) -= rhs;
    }
    friend ModInt operator*(const ModInt& lhs, const ModInt& rhs) {
        return ModInt(lhs) *= rhs;
    }
    friend ModInt operator/(const ModInt& lhs, const ModInt& rhs) {
        return ModInt(lhs) /= rhs;
    }
    friend ModInt operator^(const ModInt& lhs, long long rhs) {
        return ModInt(lhs) ^= rhs;
    }
    friend bool operator==(const ModInt& lhs, const ModInt& rhs) {
        return lhs._v == rhs._v;
    }
    friend bool operator!=(const ModInt& lhs, const ModInt& rhs) {
        return lhs._v != rhs._v;
    }
    friend ModInt operator+(long long lhs, const ModInt& rhs) {
        return (ModInt(lhs) += rhs);
    }
    friend ModInt operator-(long long lhs, const ModInt& rhs) {
        return (ModInt(lhs) -= rhs);
    }
    friend ModInt operator*(long long lhs, const ModInt& rhs) {
        return (ModInt(lhs) *= rhs);
    }
    friend ostream& operator<<(ostream& os, const ModInt& M) {
        return os << M._v;
    }
    friend istream& operator>>(istream& is, ModInt& M) {
        long long x;
        is >> x;
        M = x;
        return is;
    }

  private:
    unsigned int _v;
    static constexpr unsigned int umod() {
        return m;
    }
};
#line 1 "library-cpp/mod/ModCombination.hpp"
template <class M> struct ModCombination {
  public:
    ModCombination() {
    }
    ModCombination(int n) : n_(n), fac_(n + 1), facinv_(n + 1) {
        assert(1 <= n);
        fac_[0] = 1;
        for (int i = 1; i <= n; i++) fac_[i] = fac_[i - 1] * i;
        facinv_[n] = M(1) / fac_[n];
        for (int i = n; i >= 1; i--) facinv_[i - 1] = facinv_[i] * i;
    }

    M fac(int k) const {
        assert(0 <= k and k <= n_);
        return fac_[k];
    }
    M facinv(int k) const {
        assert(0 <= k and k <= n_);
        return facinv_[k];
    }
    M inv(int k) const {
        assert(1 <= k and k <= n_);
        return facinv_[k] * fac_[k - 1];
    }

    M P(int n, int k) const {
        if (k < 0 or k > n) return M(0);
        assert(n <= n_);
        return fac_[n] * facinv_[n - k];
    }
    M C(int n, int k) const {
        if (k < 0 or k > n) return M(0);
        assert(n <= n_);
        return fac_[n] * facinv_[n - k] * facinv_[k];
    }
    M H(int n, int k) const {
        if (n == 0 and k == 0) return M(1);
        return C(n + k - 1, n);
    }
    M catalan(int n) const {
        if (n == 0) return M(1);
        return C(2 * n, n) - C(2 * n, n - 1);
    }

  private:
    int n_;
    vector<M> fac_, facinv_;
};
#line 6 "D.cpp"
using mint = ModInt<998244353>;
// using mint = ModInt<1000000007>;
void solve() {
    INT(N);
    VEC(int, A, N);

    vec<int> idx(N);
    iota(all(idx), 0);
    sort(all(idx), [&](int a, int b) { return A[a] < A[b]; });

    auto f = [](mint a, mint b) { return a + b; };
    auto g = [](mint a, mint b) { return a * b; };
    const mint e = 0;
    const mint id = 1;
    LazySegmentTree segL(f, g, g, e, id, N + 2);
    auto segR = segL;
    BinaryIndexedTree<int> bit(N + 2);

    set<int> dic({0, N + 1});
    mint ans = 0;
    rep(i, N) {
        int u = idx[i] + 1;
        int l = *prev(dic.lower_bound(u));
        int r = *dic.lower_bound(u);
        segL.set(r, mint(r - u) * mint(2).pow(bit.sum(r)));
        segL.set(u, mint(u - l) * mint(2).pow(bit.sum(r)));
        segR.set(l, mint(u - l) * mint(2).pow(bit.sum(l + 1, N + 2)));
        segR.set(u, mint(r - u) * mint(2).pow(bit.sum(l + 1, N + 2)));
        segL.apply(r, N + 2, 2);
        segR.apply(0, l + 1, 2);
        bit.add(u, 1);
        dic.insert(u);
        ans += segL.get(r, N + 2) * segR.get(0, l + 1) *
               mint(2).pow(-bit.sum(r) - bit.sum(l + 1, N + 2)) * A[u - 1];
        debug(ans);
    }
    print(ans);
}

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(20);
    cerr << fixed << setprecision(7);

    int T = 1;
    // cin >> T;
    for (int test_case = 1; test_case <= T; test_case++) {
        // debug(test_case);
        solve();
    }
}
0