#504712 (C++14) No.917 Make One With GCD

• 問題: No.917 Make One With GCD
• ユーザー: Shuz*
• 提出日時: 2020-06-29 15:47:49
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 3 ms / 2,000 ms
• コード長: 5,196 bytes
• コンパイル時間: 1,673 ms
• コンパイル使用メモリ: 179,340 KB
• 実行使用メモリ: 6,944 KB
• 最終ジャッジ日時: 2024-06-24 11:16:40
• 合計ジャッジ時間: 2,724 ms
• ジャッジサーバーID （参考情報）: judge4 / judge1

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; 6,940 KB
testcase_02	AC	2 ms; 6,940 KB
testcase_03	AC	2 ms; 6,944 KB
testcase_04	AC	2 ms; 6,940 KB
testcase_05	AC	2 ms; 6,944 KB
testcase_06	AC	2 ms; 6,944 KB
testcase_07	AC	2 ms; 6,944 KB
testcase_08	AC	2 ms; 6,944 KB
testcase_09	AC	3 ms; 6,944 KB
testcase_10	AC	3 ms; 6,944 KB
testcase_11	AC	3 ms; 6,940 KB
testcase_12	AC	2 ms; 6,940 KB
testcase_13	AC	2 ms; 6,944 KB
testcase_14	AC	2 ms; 6,940 KB
testcase_15	AC	3 ms; 6,944 KB
testcase_16	AC	2 ms; 6,940 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; 6,944 KB
testcase_21	AC	2 ms; 6,940 KB
testcase_22	AC	2 ms; 6,940 KB
testcase_23	AC	2 ms; 6,944 KB
testcase_24	AC	2 ms; 6,940 KB
testcase_25	AC	2 ms; 6,940 KB
testcase_26	AC	2 ms; 6,940 KB
testcase_27	AC	2 ms; 6,944 KB
testcase_28	AC	2 ms; 6,940 KB
testcase_29	AC	2 ms; 6,940 KB
testcase_30	AC	2 ms; 6,944 KB
testcase_31	AC	2 ms; 6,940 KB
testcase_32	AC	2 ms; 6,940 KB
testcase_33	AC	2 ms; 6,944 KB
testcase_34	AC	2 ms; 6,944 KB
testcase_35	AC	2 ms; 6,944 KB

ソースコード

#include <bits/stdc++.h>
using namespace std;

// Define
using ll = long long;
using ull = unsigned long long;
using ld = long double;
template <class T> using pvector = vector<pair<T, T>>;
template <class T>
using rpriority_queue = priority_queue<T, vector<T>, greater<T>>;
constexpr const ll dx[4] = {1, 0, -1, 0};
constexpr const ll dy[4] = {0, 1, 0, -1};
constexpr const ll MOD = 1e9 + 7;
constexpr const ll mod = 998244353;
constexpr const ll INF = 1LL << 60;
constexpr const ll inf = 1 << 30;
constexpr const char rt = '\n';
constexpr const char sp = ' ';
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define eb emplace_back
#define elif else if
#define fi first
#define se second

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 (a > b) {
        a = b;
        return 1;
    }
    return 0;
}

// Debug
#define debug(...)                                                             \
    {                                                                          \
        cerr << __LINE__ << ": " << #__VA_ARGS__ << " = ";                     \
        for (auto &&X : {__VA_ARGS__}) cerr << "[" << X << "] ";               \
        cerr << rt;                                                            \
    }

#define dump(a, h, w)                                                          \
    {                                                                          \
        cerr << __LINE__ << ": " << #a << " = [" << rt;                        \
        rep(_i, h) {                                                           \
            rep(_j, w) {                                                       \
                if (abs(a[_i][_j]) >= INF / 2 and a[_i][_j] <= -INF / 2)       \
                    cerr << '-';                                               \
                if (abs(a[_i][_j]) >= INF / 2)                                 \
                    cerr << "∞" << sp;                                         \
                else                                                           \
                    cerr << a[_i][_j] << sp;                                   \
            }                                                                  \
            cerr << rt;                                                        \
        }                                                                      \
        cerr << "]" << rt;                                                     \
    }

#define vdump(a, n)                                                            \
    {                                                                          \
        cerr << __LINE__ << ": " << #a << " = [";                              \
        rep(_i, n) {                                                           \
            if (_i) cerr << sp;                                                \
            if (abs(a[_i]) >= INF / 2 and a[_i] <= -INF / 2) cerr << '-';      \
            if (abs(a[_i]) >= INF / 2)                                         \
                cerr << "∞" << sp;                                             \
            else                                                               \
                cerr << a[_i];                                                 \
        }                                                                      \
        cerr << "]" << rt;                                                     \
    }

// Loop
#define inc(i, a, n) for (ll i = (a), _##i = (n); i <= _##i; ++i)
#define dec(i, a, n) for (ll i = (a), _##i = (n); i >= _##i; --i)
#define rep(i, n) for (ll i = 0, _##i = (n); i < _##i; ++i)
#define each(i, a) for (auto &&i : a)

// Stream
#define fout(n) cout << fixed << setprecision(n)
struct io {
    io() { cin.tie(nullptr), ios::sync_with_stdio(false); }
} io;

// Speed
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

// Math
inline constexpr ll gcd(const ll a, const ll b) {
    return b ? gcd(b, a % b) : a;
}
inline constexpr ll lcm(const ll a, const ll b) { return a / gcd(a, b) * b; }

inline constexpr ll modulo(const ll n, const ll m = MOD) {
    ll k = n % m;
    return k + m * (k < 0);
}
inline constexpr ll chmod(ll &n, const ll m = MOD) {
    n %= m;
    return n += m * (n < 0);
}
inline constexpr ll mpow(ll a, ll n, const ll m = MOD) {
    ll r = 1;
    rep(i, 64) {
        if (n & (1LL << i)) r *= a;
        chmod(r, m);
        a *= a;
        chmod(a, m);
    }
    return r;
}
inline ll inv(const ll n, const ll m = MOD) {
    ll a = n, b = m, x = 1, y = 0;
    while (b) {
        ll t = a / b;
        a -= t * b;
        swap(a, b);
        x -= t * y;
        swap(x, y);
    }
    return modulo(x, m);
}

signed main() {
    ll N;
    cin >> N;
    ll A[N];
    rep(i, N) cin >> A[i];
    map<ll, ll> DP[N + 1];
    DP[0][0] = 1;
    rep(i, N) {
        each(j, DP[i]) {
            DP[i + 1][gcd(j.fi, A[i])] += j.se;
            DP[i + 1][j.fi] += j.se;
        }
    }
    cout << DP[N][1] << rt;
}