結果

問題 No.1884 Sequence
コンテスト
ユーザー sten_san
提出日時 2022-03-25 21:41:51
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 72 ms / 2,000 ms
コード長 3,146 bytes
コンパイル時間 2,015 ms
コンパイル使用メモリ 202,408 KB
最終ジャッジ日時 2025-01-28 11:52:25
ジャッジサーバーID
（参考情報） 		judge5 / judge2
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ファイルパターン 結果
sample AC * 3
other AC * 40
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;

struct iofast_t {
    iofast_t() {
        ios::sync_with_stdio(false);
        cin.tie(nullptr);
    }
} iofast;

struct uns_t {} uns;
template <typename Element, typename Head, typename ...Args>
auto vec(Element init, Head arg, Args ...args) {
    if constexpr (sizeof...(Args) == 0) return vector(arg, init);
    else return vector(arg, vec(init, args...));
}
template <typename Element, typename Head, typename ...Args>
auto vec(uns_t, Head arg, Args ...args) {
    return vec(Element(), arg, args...);
}

template <typename Container>
auto distance(const Container &c, decltype(begin(c)) iter) {
    return distance(begin(c), iter);
}

template <typename RIter, typename Compare = less<typename iterator_traits<RIter>::value_type>>
auto isort(RIter first, RIter last, Compare comp = Compare()) {
    vector<int> i(distance(first, last));
    iota(begin(i), end(i), 0);
    sort(begin(i), end(i), [&](auto x, auto y) {
        return comp(*(first + x), *(first + y));
    });
    return i;
}

template <typename, template <typename> typename, typename = void_t<>>
struct detect : false_type {};
template <typename T, template <typename> typename Check>
struct detect<T, Check, void_t<Check<T>>> : true_type {};
template <typename T, template <typename> typename Check>
constexpr inline bool detect_v = detect<T, Check>::value;

template <typename T>
using has_member_sort = decltype(declval<T>().sort());

template <typename Container, typename Compare = less<typename Container::value_type>>
auto sorted(Container c, Compare comp = Compare()) {
    if constexpr (detect_v<Container, has_member_sort>) {
        c.sort(comp);
        return c;
    }
    else {
        sort(begin(c), end(c), comp);
        return c;
    }
}

template <typename Container, typename Compare = equal_to<typename Container::value_type>>
auto uniqued(Container c, Compare comp = Compare()) {
    c.erase(unique(begin(c), end(c), comp), end(c));
    return c;
}

template <typename T, typename Compare = less<T>>
T &chmin(T &l, T r, Compare &&f = less<T>()) { return l = min(l, r, f); }
template <typename T, typename Compare = less<T>>
T &chmax(T &l, T r, Compare &&f = less<T>()) { return l = max(l, r, f); }

int main() {
    int n; cin >> n;
    auto a = vec<int64_t>(uns, n);
    for (auto &e : a) cin >> e;
    sort(begin(a), end(a));

    auto neq = [](auto x) {
        return x != 0;
    };

    if (count_if(begin(a), end(a), neq) <= 2) {
        cout << "Yes" << endl;
        return 0;
    }
    auto c = count(begin(a), end(a), 0);

    auto b = vec<int64_t>(uns, 0);
    copy(find_if(begin(a), end(a), neq), end(a), back_inserter(b));

    int64_t g = 0;
    for (int i = 1; i < size(b); ++i) {
        g = gcd(g, b[i] - b[i - 1]);
    }

    if (g == 0) {
        cout << "Yes" << endl;
        return 0;
    }

    for (int i = 1; i < size(b); ++i) {
        if (b[i] == b[i - 1]) {
            cout << "No" << endl;
            return 0;
        }
    }

    for (int i = 1; i < size(b) && 0 <= c; ++i) {
        c -= (b[i] - b[i - 1]) / g - 1;
    }

    cout << (0 <= c ? "Yes" : "No") << endl;
}
0