結果

問題 No.3 ビットすごろく
ユーザー xoke0114xoke0114
提出日時 2019-03-13 17:22:37
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 5,875 bytes
コンパイル時間 1,882 ms
コンパイル使用メモリ 174,588 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-06-23 18:30:08
合計ジャッジ時間 2,658 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
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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 WA -
testcase_03 WA -
testcase_04 AC 2 ms
6,940 KB
testcase_05 WA -
testcase_06 WA -
testcase_07 AC 2 ms
6,940 KB
testcase_08 AC 2 ms
6,944 KB
testcase_09 AC 2 ms
6,944 KB
testcase_10 AC 2 ms
6,940 KB
testcase_11 AC 2 ms
6,944 KB
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 AC 2 ms
6,944 KB
testcase_17 AC 2 ms
6,940 KB
testcase_18 AC 2 ms
6,940 KB
testcase_19 AC 2 ms
6,940 KB
testcase_20 AC 2 ms
6,940 KB
testcase_21 AC 2 ms
6,940 KB
testcase_22 WA -
testcase_23 WA -
testcase_24 AC 2 ms
6,944 KB
testcase_25 AC 3 ms
6,940 KB
testcase_26 AC 2 ms
6,944 KB
testcase_27 AC 2 ms
6,940 KB
testcase_28 AC 2 ms
6,944 KB
testcase_29 AC 2 ms
6,944 KB
testcase_30 AC 2 ms
6,948 KB
testcase_31 AC 2 ms
6,944 KB
testcase_32 AC 2 ms
6,944 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 <bits/stdc++.h>
using namespace std;

#define M_PI 3.14159265358979323846
using ull = unsigned long long;
using ll = long long;
#define endl "\n"

#define REP(i, n) for (ll i = 0; i < n; i++)
#define REPR(i, n) for (ll i = n; i >= 0; i--)
#define FOR(i, m, n) for (ll i = m; i < n; i++)
#define even(x) (x) % 2 == 0
#define odd(x) (x) % 2 != 0
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define pcnt __builtin_popcount
#define buli(x) __builtin_popcountll(x)
#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end());
#define inll(x) ll x;cin>>x;
#define INIT() cin.tie(0);ios::sync_with_stdio(0);cout<<fixed<<setprecision(20)

// these functions return the position of result of Binary Search.
#define LB(s, t, x) (int)(lower_bound(s, t, x) - s)
#define UB(s, t, x) (int)(upper_bound(s, t, x) - s)

namespace {
    const ll MOD_CONST = (ll)(1e9 + 7);
    const ll CFM = (ll)(998244353);
    ll qp(ll a, ll b, int mo)
    {
        ll ans = 1;
        do
        {
            if (b & 1)
                ans = 1ll * ans * a % mo;
            a = 1ll * a * a % mo;
        } while (b >>= 1);
        return ans;
    }
    ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
    ll lcm(ll a, ll b)
    {
        ll temp = gcd(a, b);
        return temp ? (a / temp * b) : 0;
    }
    int mDays[] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
    int dx8[] = {1, -1, 0, 0, 1, 1, -1, -1}, dy8[] = {0, 0, -1, 1, -1, 1, -1, 1};

    template <typename F>
    class
    #if defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard)
        [[nodiscard]]
    #elif defined(__GNUC__) && __GNUC_PREREQ(3, 4)
        __attribute__((warn_unused_result))
    #endif // defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard)
        FixPoint : F {
            public :
                explicit constexpr FixPoint(F &&f) noexcept : F(std::forward<F>(f)) {}

            template <typename... Args>
            constexpr decltype(auto)
            operator()(Args &&... args) const {
                return F::operator()(*this, std::forward<Args>(args)...);
    } // namespace
    }
    ; // class FixPoint
    template <typename F>
    static inline constexpr decltype(auto)
    makeFixPoint(F &&f) noexcept
    {
        return FixPoint<F>{std::forward<F>(f)};
    }

    template <typename T>
    vector<T> make_v(size_t a) { return vector<T>(a); }
    template <typename T, typename... Ts>
    auto make_v(size_t a, size_t b, Ts... ts) { return vector<decltype(make_v<T>(b, ts...))>(a, make_v<T>(b, ts...)); }
    template <typename T, typename V>
    typename enable_if<is_class<T>::value == 0>::type
    fill_v(T &t, const V &v) { t = v; }
    template <typename T, typename V>
    typename enable_if<is_class<T>::value != 0>::type
    fill_v(T &t, const V &v) { for (auto &e : t) fill_v(e, v); }

    template <class T>
    bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; }
    template <class T>
    bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; }

    inline tuple<ll, ll> rotate45(tuple<ll, ll> point)
    {
        ll x = get<0>(point), y = get<1>(point);
        return tuple<ll, ll>(x + y, x - y);
    }
    inline bool rangeCheck2D(int nx, int ny, int Width, int Height) { return nx >= 0 and nx < Width and ny >= 0 and ny < Height; }

    template <class T>
    ostream &operator<<(ostream &os, const vector<T> &v)
    {
        for (auto i = begin(v); i != end(v); ++i)
            os << *i << (i == end(v) - 1 ? "" : " ");
        return os;
    }
    template <class T>
    istream &operator>>(istream &is, vector<T> &v)
    {
        for (auto i = begin(v); i != end(v); ++i)
            is >> *i;
        return is;
    }

    template <typename T>
    void out(T o) { cout << o << endl; }
    template <typename T>
    void out(vector<T> &out)
    {
        REP(i, (int)out.size())
        {
            cout << out[i];
            if (i == (int)out.size() - 1)
                cout << endl;
            else
                cout << " ";
        }
    }
    template <typename T>
    void out(vector<vector<T>> o) { REP(i, o.size())
                                    out(o[i]); }
    ll i_query(ll x)
    {
        cout << "> " << x << endl;
        fflush(stdout);
        ll ret;
        cin >> ret;
        return ret;
    }
    ll i_query_2(ll i)
    {
        cout << "? " << i << endl;
        fflush(stdout);
        ll ret;
        cin >> ret;
        return ret;
    }
    void i_answer(ll ans, ll d)
    {
        cout << "! " << ans << " " << d << endl;
        fflush(stdout);
    }
} // namespace

// lambda expression
// auto f = [](int arg1, double arg2) { return ret; };
// lambda recursion
// auto result = makeFixPoint([&](auto rec, int pos, int v) -> int {
//	   rec(pos, v);
// })(0, 1);
// auto func = makeFixPoint([]() -> int {});
// int ret = func();

// tuple binding
// auto [x, y] = make_tuple(0, 0);

// for pair
// auto [a, b] = pair<int, int>({v1, v2});

// bitset<N> bs(ini_val); // N must be constant
// bs.reset(); // reset all



int main(void)
{
    INIT(); // comment out for Interective Program

    inll(N);
    auto ans = make_v<ll>(N);
    fill_v(ans, INT64_MAX);
    ans[0] = 0;
    queue<int> q;
    q.push(0);
    while (q.size()) {
        int current = q.front(); q.pop();
        int step = buli(current + 1);
        if (current - step >= 0 and ans[current - step] == INT64_MAX) {
            chmin(ans[current - step], ans[current] + 1);
            q.push(current - step);
        }
        if (current + step < N and ans[current + step] == INT64_MAX) {
            chmin(ans[current + step], ans[current] + 1);
            q.push(current + step);
        }
    }
    if (ans[N-1] == INT64_MAX) ans[N-1] = -1;
    out(ans[N-1]+1);

    return 0;
}
//*/
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