結果

問題 No.619 CardShuffle
ユーザー PachicobuePachicobue
提出日時 2019-05-01 22:17:25
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 59 ms / 3,000 ms
コード長 12,207 bytes
コンパイル時間 772 ms
コンパイル使用メモリ 83,520 KB
実行使用メモリ 6,408 KB
最終ジャッジ日時 2023-08-30 04:28:39
合計ジャッジ時間 3,846 ms
ジャッジサーバーID
（参考情報） 		judge14 / judge13
このコードへのチャレンジ（β）

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 1 ms
4,376 KB
testcase_01 AC 2 ms
4,380 KB
testcase_02 AC 2 ms
4,376 KB
testcase_03 AC 1 ms
4,376 KB
testcase_04 AC 1 ms
4,376 KB
testcase_05 AC 2 ms
4,384 KB
testcase_06 AC 2 ms
4,380 KB
testcase_07 AC 2 ms
4,376 KB
testcase_08 AC 1 ms
4,376 KB
testcase_09 AC 1 ms
4,376 KB
testcase_10 AC 2 ms
4,380 KB
testcase_11 AC 2 ms
4,376 KB
testcase_12 AC 2 ms
4,376 KB
testcase_13 AC 2 ms
4,380 KB
testcase_14 AC 2 ms
4,380 KB
testcase_15 AC 1 ms
4,376 KB
testcase_16 AC 56 ms
6,280 KB
testcase_17 AC 52 ms
6,224 KB
testcase_18 AC 55 ms
6,224 KB
testcase_19 AC 51 ms
6,408 KB
testcase_20 AC 50 ms
6,236 KB
testcase_21 AC 49 ms
6,228 KB
testcase_22 AC 46 ms
6,232 KB
testcase_23 AC 50 ms
6,224 KB
testcase_24 AC 45 ms
6,244 KB
testcase_25 AC 45 ms
6,288 KB
testcase_26 AC 58 ms
6,304 KB
testcase_27 AC 54 ms
6,332 KB
testcase_28 AC 59 ms
6,220 KB
testcase_29 AC 54 ms
6,212 KB
testcase_30 AC 52 ms
6,280 KB
testcase_31 AC 2 ms
4,376 KB
testcase_32 AC 50 ms
6,208 KB
testcase_33 AC 56 ms
6,220 KB
testcase_34 AC 52 ms
6,264 KB
testcase_35 AC 26 ms
4,380 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 # 

#include <iostream>
#include <vector>
#include <cassert>
#include <algorithm>
#include <utility>
// https://yukicoder.me/problems/no/619
template <typename T>
constexpr T popCount(const T u)
{
#ifdef __has_builtin
    return u == 0 ? T(0) : (T)__builtin_popcountll(u);
#else
    unsigned long long v = static_cast<unsigned long long>(u);
    return v = (v & 0x5555555555555555ULL) + (v >> 1 & 0x5555555555555555ULL), v = (v & 0x3333333333333333ULL) + (v >> 2 & 0x3333333333333333ULL), v = (v + (v >> 4)) & 0x0F0F0F0F0F0F0F0FULL, static_cast<T>(v * 0x0101010101010101ULL >> 56 & 0x7f);
#endif
}
template <typename T>
constexpr T log2p1(const T u)
{
#ifdef __has_builtin
    return u == 0 ? T(0) : T(64 - __builtin_clzll(u));
#else
    unsigned long long v = static_cast<unsigned long long>(u);
    return v = static_cast<unsigned long long>(v), v |= (v >> 1), v |= (v >> 2), v |= (v >> 4), v |= (v >> 8), v |= (v >> 16), v |= (v >> 32), popCount(v);
#endif
}
template <typename T>
constexpr T clog(const T v) { return v == 0 ? T(0) : log2p1(v - 1); }
template <typename T>
constexpr T msbp1(const T v) { return log2p1(v); }
template <typename T>
constexpr T lsbp1(const T v)
{
#ifdef __has_builtin
    return __builtin_ffsll(v);
#else
    return v == 0 ? T(0) : popCount((v & (-v)) - T(1)) + T(1);
#endif
}
template <typename T>
constexpr bool ispow2(const T v) { return popCount(v) == 1; }
template <typename T>
constexpr T ceil2(const T v) { return v == 0 ? T(1) : T(1) << log2p1(v - 1); }
template <typename T>
constexpr T floor2(const T v) { return v == 0 ? T(0) : T(1) << (log2p1(v) - 1); }
//!===================================================================!//
//!  .d88888b                    d888888P                             !//
//!  88.    "'                      88                                !//
//!  'Y88888b. .d8888b. .d8888b.    88    88d888b. .d8888b. .d8888b.  !//
//!        '8b 88ooood8 88'  '88    88    88'  '88 88ooood8 88ooood8  !//
//!  d8'   .8P 88.  ... 88.  .88    88    88       88.  ... 88.  ...  !//
//!   Y88888P  '88888P' '8888P88    dP    dP       '88888P' '88888P'  !//
//!                          .88                                      !//
//!                      d8888P                                       !//
//!===================================================================!//
template <typename ValMonoid>
class SegTree
{
public:
    using T = typename ValMonoid::T;
    SegTree(const std::size_t N, const T initial = ValMonoid::id()) : size(N), half(ceil2(size)), val(half << 1, ValMonoid::id())
    {
        if (initial != ValMonoid::id()) {
            std::fill(val.begin() + half, val.end(), initial);
            for (std::size_t i = half - 1; i >= 1; i--) { up(i); }
        }
    }
    template <typename InIt>
    SegTree(const InIt first, const InIt last) : size(std::distance(first, last)), half(ceil2(size)), val(half << 1, ValMonoid::id())
    {
        std::copy(first, last, val.begin() + half);
        for (std::size_t i = half - 1; i >= 1; i--) { up(i); }
    }
    T get(const std::size_t a) const { return assert(a < size), val[a + half]; }
    void set(std::size_t a, const T& v)
    {
        assert(a < size);
        val[a += half] = v;
        while (a >>= 1) { up(a); }
    }
    T fold(std::size_t L, std::size_t R) const
    {
        assert(L < R), assert(R <= size);
        T accl = ValMonoid::id(), accr = ValMonoid::id();
        for (L += half, R += half; L < R; L >>= 1, R >>= 1) {
            if (L & 1) { accl = acc(accl, val[L++]); }
            if (R & 1) { accr = acc(val[--R], accr); }
        }
        return acc(accl, accr);
    }
    friend std::ostream& operator<<(std::ostream& os, const SegTree& seg)
    {
        os << "[";
        for (std::size_t i = seg.half; i < seg.half + seg.size; i++) { os << seg.val[i] << (i + 1 == seg.half + seg.size ? "" : ","); }
        return (os << "]\n");
    }

private:
    void up(const std::size_t i) { val[i] = acc(val[i << 1], val[i << 1 | 1]); }
    const std::size_t size, half;
    std::vector<T> val;
    const ValMonoid acc{};
};
//!=================================================================================!//
//!   .d888888           oo   dP   dP                             dP   oo           !//
//!  d8'    88                88   88                             88                !//
//!  88aaaaa88a 88d888b. dP d8888P 88d888b. 88d8b.d8b. .d8888b. d8888P dP .d8888b.  !//
//!  88     88  88'  '88 88   88   88'  '88 88''88''88 88ooood8   88   88 88'  '""  !//
//!  88     88  88       88   88   88    88 88  88  88 88.  ...   88   88 88.  ...  !//
//!  88     88  dP       dP   dP   dP    dP dP  dP  dP '88888P'   dP   dP '88888P'  !//
//!=================================================================================!//
template <typename X>
struct ArithmeticOps
{
    struct T
    {
        T() : has_p(false), L{1}, M{0}, R{0} {}
        T(const X& L, const X& M, const X& R) : has_p(true), L{L}, M{M}, R{R} {}
        T(const bool b, const X& V) : has_p{b}, L{has_p ? X{1} : V}, M{0}, R{has_p ? V : X{0}} {}
        T(const bool b, const X& L, const X& M, const X& R) : has_p{b}, L{L}, M{M}, R{R} {}
        bool has_p;
        X L, M, R;
        friend std::ostream& operator<<(std::ostream& os, const T& t) { return t.has_p ? (os << "*" << t.L << "+" << t.M << "+" << t.R) : (os << "*" << t.L); }
    };
    T operator()(const T& a, const T& b) const { return a.has_p ? b.has_p ? T{a.L, a.M + a.R * b.L + b.M, b.R} : T{a.L, a.M, a.R * b.L} : b.has_p ? T{a.L * b.L, b.M, b.R} : T{false, a.L * b.L}; }
    static T id() { return T{false, X{1}}; }
};
//!===============================================================!//
//!   88888888b            dP       .88888.   a88888b. 888888ba   !//
//!   88                   88      d8'   '88 d8'   '88 88    '8b  !//
//!  a88aaaa    dP.  .dP d8888P    88        88        88     88  !//
//!   88         '8bd8'    88      88   YP88 88        88     88  !//
//!   88         .d88b.    88      Y8.   .88 Y8.   .88 88    .8P  !//
//!   88888888P dP'  'dP   dP       '88888'   Y88888P' 8888888P   !//
//!===============================================================!//
template <typename T>
constexpr std::pair<T, T> extgcd(const T a, const T b)
{
    if (b == 0) { return std::pair<T, T>{1, 0}; }
    const auto p = extgcd(b, a % b);
    return {p.second, p.first - p.second * (a / b)};
}
template <typename T>
constexpr T inverse(const T a, const T mod) { return (mod + extgcd((mod + a % mod) % mod, mod).first % mod) % mod; }
using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
//!========================================================!//
//!  8888ba.88ba                 dP    dP            dP    !//
//!  88  '8b  '8b                88    88            88    !//
//!  88   88   88 .d8888b. .d888b88    88 88d888b. d8888P  !//
//!  88   88   88 88'  '88 88'  '88    88 88'  '88   88    !//
//!  88   88   88 88.  .88 88.  .88    88 88    88   88    !//
//!  dP   dP   dP '88888P' '88888P8    dP dP    dP   dP    !//
//!========================================================!//
template <uint mod>
class ModInt
{
private:
    uint v;
    static uint norm(const uint& x) { return x < mod ? x : x - mod; }
    static ModInt make(const uint& x)
    {
        ModInt m;
        return m.v = x, m;
    }
    static ModInt power(ModInt x, ll n)
    {
        ModInt ans = 1;
        for (; n; n >>= 1, x *= x) {
            if (n & 1) { ans *= x; }
        }
        return ans;
    }
    static ModInt inv(const ModInt& x) { return ModInt{inverse((ll)x.v, (ll)mod)}; }

public:
    ModInt() : v{0} {}
    ModInt(const ll val) : v{norm(uint(val % (ll)mod + (ll)mod))} {}
    ModInt(const ModInt<mod>& n) : v{n()} {}
    explicit operator bool() const { return v != 0; }
    ModInt<mod>& operator=(const ModInt<mod>& n) { return v = n(), (*this); }
    ModInt<mod>& operator=(const ll val) { return v = norm(uint(val % (ll)mod + (ll)mod)), (*this); }
    ModInt<mod> operator+() const { return *this; }
    ModInt<mod> operator-() const { return make(norm(mod - v)); }
    ModInt<mod> operator+(const ModInt<mod>& val) const { return make(norm(v + val())); }
    ModInt<mod> operator-(const ModInt<mod>& val) const { return make(norm(v + mod - val())); }
    ModInt<mod> operator*(const ModInt<mod>& val) const { return make((uint)((ll)v * val() % (ll)mod)); }
    ModInt<mod> operator/(const ModInt<mod>& val) const { return *this * inv(val()); }
    ModInt<mod>& operator+=(const ModInt<mod>& val) { return *this = *this + val; }
    ModInt<mod>& operator-=(const ModInt<mod>& val) { return *this = *this - val; }
    ModInt<mod>& operator*=(const ModInt<mod>& val) { return *this = *this * val; }
    ModInt<mod>& operator/=(const ModInt<mod>& val) { return *this = *this / val; }
    ModInt<mod> operator+(const ll val) const { return ModInt{v + val}; }
    ModInt<mod> operator-(const ll val) const { return ModInt{v - val}; }
    ModInt<mod> operator*(const ll val) const { return ModInt{(ll)v * (val % mod)}; }
    ModInt<mod> operator/(const ll val) const { return ModInt{(ll)v * inv(val)}; }
    template <typename I>
    ModInt<mod> operator^(const I n) const { return power(v, n); }
    ModInt<mod>& operator+=(const ll val) { return *this = *this + val; }
    ModInt<mod>& operator-=(const ll val) { return *this = *this - val; }
    ModInt<mod>& operator*=(const ll val) { return *this = *this * val; }
    ModInt<mod>& operator/=(const ll val) { return *this = *this / val; }
    template <typename I>
    ModInt<mod>& operator^=(const I n) { return (*this) = ((*this) ^ n); }
    bool operator==(const ModInt<mod>& val) const { return v == val.v; }
    bool operator!=(const ModInt<mod>& val) const { return not(*this == val); }
    bool operator==(const ll val) const { return v == norm(uint((ll)mod + val % (ll)mod)); }
    bool operator!=(const ll val) const { return not(*this == val); }
    uint operator()() const { return v; }
};
template <uint mod>
inline ModInt<mod> operator+(const ll val, const ModInt<mod>& n) { return n + val; }
template <uint mod>
inline ModInt<mod> operator-(const ll val, const ModInt<mod>& n) { return ModInt<mod>{val - (ll)n()}; }
template <uint mod>
inline ModInt<mod> operator*(const ll val, const ModInt<mod>& n) { return n * val; }
template <uint mod>
inline ModInt<mod> operator/(const ll val, const ModInt<mod>& n) { return ModInt<mod>(val) / n; }
template <uint mod>
inline bool operator==(const ll val, const ModInt<mod>& n) { return n == val; }
template <uint mod>
inline bool operator!=(const ll val, const ModInt<mod>& n) { return not(val == n); }
template <uint mod>
inline std::istream& operator>>(std::istream& is, ModInt<mod>& n)
{
    uint v;
    return is >> v, n = v, is;
}
template <uint mod>
std::ostream& operator<<(std::ostream& os, const ModInt<mod>& n) { return (os << n()); }
int main()
{
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);
    constexpr uint MOD = 1000000007;
    using mint = ModInt<MOD>;
    std::size_t N;
    std::cin >> N;
    const std::size_t M = (N + 1) / 2;
    std::vector<mint> A(M);
    std::string S(M, '*');
    for (std::size_t i = 0; i < N; i++) {
        if (i % 2 == 0) {
            std::cin >> A[i / 2];
        } else {
            std::cin >> S[i / 2 + 1];
        }
    }
    using T = ArithmeticOps<mint>::T;
    std::vector<T> V(M);
    for (std::size_t i = 0; i < M; i++) { V[i] = T{S[i] == '+', A[i]}; }
    SegTree<ArithmeticOps<mint>> seg(V.begin(), V.end());
    std::size_t Q;
    std::cin >> Q;
    for (std::size_t q = 0; q < Q; q++) {
        char t;
        std::size_t x, y;
        std::cin >> t >> x >> y;
        if (t == '!') {
            bool op = x % 2 == 0;
            x /= 2, y /= 2;
            if (op) {
                std::swap(S[x], S[y]);
            } else {
                std::swap(A[x], A[y]);
            }
            seg.set(x, T{S[x] == '+', A[x]}), seg.set(y, T{S[y] == '+', A[y]});
        } else {
            x /= 2, y /= 2;
            const auto ans = seg.fold(x, y + 1);
            std::cout << (S[x] == '+' ? ans.M + ans.R : ans.L + ans.M + ans.R) << "\n";
        }
    }
    return 0;
}
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