#974539 (C++23) No.2732 Similar Permutations

提出ソース

結果

問題	No.2732 Similar Permutations
ユーザー	rogi52
提出日時	2024-04-19 23:11:35
言語	C++23 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	72 ms / 2,000 ms
コード長	12,666 bytes
コンパイル時間	3,283 ms
コンパイル使用メモリ	261,592 KB
実行使用メモリ	7,988 KB
最終ジャッジ日時	2024-10-11 17:30:03
合計ジャッジ時間	18,434 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 5,248 KB
testcase_01	AC	2 ms 5,248 KB
testcase_02	AC	21 ms 5,248 KB
testcase_03	AC	39 ms 5,760 KB
testcase_04	AC	13 ms 5,248 KB
testcase_05	AC	10 ms 5,248 KB
testcase_06	AC	5 ms 5,248 KB
testcase_07	AC	29 ms 5,248 KB
testcase_08	AC	15 ms 5,248 KB
testcase_09	AC	8 ms 5,248 KB
testcase_10	AC	68 ms 7,808 KB
testcase_11	AC	7 ms 5,248 KB
testcase_12	AC	69 ms 7,988 KB
testcase_13	AC	68 ms 7,980 KB
testcase_14	AC	69 ms 7,980 KB
testcase_15	AC	70 ms 7,984 KB
testcase_16	AC	49 ms 6,528 KB
testcase_17	AC	48 ms 6,568 KB
testcase_18	AC	63 ms 7,552 KB
testcase_19	AC	70 ms 7,980 KB
testcase_20	AC	68 ms 7,936 KB
testcase_21	AC	69 ms 7,860 KB
testcase_22	AC	40 ms 5,788 KB
testcase_23	AC	70 ms 7,984 KB
testcase_24	AC	41 ms 6,016 KB
testcase_25	AC	70 ms 7,988 KB
testcase_26	AC	58 ms 7,180 KB
testcase_27	AC	70 ms 7,984 KB
testcase_28	AC	56 ms 6,912 KB
testcase_29	AC	69 ms 7,984 KB
testcase_30	AC	50 ms 6,596 KB
testcase_31	AC	72 ms 7,856 KB
testcase_32	AC	66 ms 7,432 KB
testcase_33	AC	71 ms 7,984 KB
testcase_34	AC	47 ms 6,368 KB
testcase_35	AC	71 ms 7,856 KB
testcase_36	AC	66 ms 7,564 KB
testcase_37	AC	71 ms 7,988 KB
testcase_38	AC	61 ms 7,336 KB
testcase_39	AC	71 ms 7,988 KB
testcase_40	AC	58 ms 7,196 KB
testcase_41	AC	70 ms 7,988 KB
testcase_42	AC	53 ms 6,656 KB
testcase_43	AC	71 ms 7,984 KB
testcase_44	AC	37 ms 5,848 KB
testcase_45	AC	70 ms 7,856 KB
testcase_46	AC	63 ms 7,344 KB
testcase_47	AC	68 ms 7,984 KB
testcase_48	AC	42 ms 6,144 KB
testcase_49	AC	65 ms 7,980 KB
testcase_50	AC	40 ms 6,044 KB
testcase_51	AC	61 ms 7,980 KB
testcase_52	AC	51 ms 7,296 KB
testcase_53	AC	69 ms 7,980 KB
testcase_54	AC	69 ms 7,984 KB
testcase_55	AC	69 ms 7,856 KB
testcase_56	AC	68 ms 7,860 KB
testcase_57	AC	34 ms 5,724 KB
testcase_58	AC	47 ms 6,420 KB
testcase_59	AC	46 ms 6,408 KB
testcase_60	AC	38 ms 5,760 KB
testcase_61	AC	35 ms 5,532 KB
testcase_62	AC	58 ms 7,176 KB
testcase_63	AC	2 ms 5,248 KB
testcase_64	AC	2 ms 5,248 KB
testcase_65	AC	2 ms 5,248 KB
testcase_66	AC	2 ms 5,248 KB
testcase_67	AC	2 ms 5,248 KB
testcase_68	AC	2 ms 5,248 KB
testcase_69	AC	2 ms 5,248 KB
testcase_70	AC	2 ms 5,248 KB
testcase_71	AC	2 ms 5,248 KB
testcase_72	AC	2 ms 5,248 KB
testcase_73	AC	2 ms 5,248 KB
testcase_74	AC	2 ms 5,248 KB
testcase_75	AC	2 ms 5,248 KB
testcase_76	AC	2 ms 5,248 KB
testcase_77	AC	1 ms 5,248 KB
testcase_78	AC	2 ms 5,248 KB
testcase_79	AC	2 ms 5,248 KB
testcase_80	AC	2 ms 5,248 KB
testcase_81	AC	2 ms 5,248 KB
testcase_82	AC	2 ms 5,248 KB
testcase_83	AC	2 ms 5,248 KB
testcase_84	AC	2 ms 5,248 KB
testcase_85	AC	2 ms 5,248 KB
testcase_86	AC	2 ms 5,248 KB
testcase_87	AC	2 ms 5,248 KB
testcase_88	AC	2 ms 5,248 KB
testcase_89	AC	1 ms 5,248 KB
testcase_90	AC	2 ms 5,248 KB
testcase_91	AC	2 ms 5,248 KB
testcase_92	AC	2 ms 5,248 KB
testcase_93	AC	2 ms 5,248 KB
testcase_94	AC	2 ms 5,248 KB
testcase_95	AC	2 ms 5,248 KB
testcase_96	AC	2 ms 5,248 KB
testcase_97	AC	2 ms 5,248 KB
testcase_98	AC	2 ms 5,248 KB
testcase_99	AC	2 ms 5,248 KB
testcase_100	AC	2 ms 5,248 KB
testcase_101	AC	2 ms 5,248 KB
testcase_102	AC	1 ms 5,248 KB

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ソースコード

raw source code

#line 2 "cp-library/src/cp-template.hpp"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull  = unsigned long long;
using i32 = int;
using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
using i128 = __int128_t;
template < class T > bool chmin(T& a, T b) { if(a > b) { a = b; return true; } return false; }
template < class T > bool chmax(T& a, T b) { if(a < b) { a = b; return true; } return false; }
template < class T, class U > T ceil (T x, U y) { return (x > 0 ? (x + y - 1) / y :           x / y); }
template < class T, class U > T floor(T x, U y) { return (x > 0 ?           x / y : (x - y + 1) / y); }
int popcnt(i32 x) { return __builtin_popcount(x); }
int popcnt(u32 x) { return __builtin_popcount(x); }
int popcnt(i64 x) { return __builtin_popcountll(x); }
int popcnt(u64 x) { return __builtin_popcountll(x); }

#line 2 "cp-library/src/utility/rep_itr.hpp"
template < class T > struct itr_rep {
    T i, d;
    constexpr itr_rep(const T i) noexcept : i(i), d(1) {}
    constexpr itr_rep(const T i, const T d) noexcept : i(i), d(d) {}
    void operator++() noexcept { i += d; }
    constexpr int operator*() const noexcept { return i; }
    constexpr bool operator!=(const itr_rep x) const noexcept { return d > 0 ? i < x.i : i > x.i; }
};

template < class T > struct rep {
    const itr_rep< T > s, t;
    constexpr rep(const T t) noexcept : s(0), t(t) {}
    constexpr rep(const T s, const T t) noexcept : s(s), t(t) {}
    constexpr rep(const T s, const T t, const T d) noexcept : s(s, d), t(t, d) {}
    constexpr auto begin() const noexcept { return s; }
    constexpr auto end  () const noexcept { return t; }
};

template < class T > struct revrep {
    const itr_rep < T > s, t;
    constexpr revrep(const T t) noexcept : s(t - 1, -1), t(-1, -1) {}
    constexpr revrep(const T s, const T t) noexcept : s(t - 1, -1), t(s - 1, -1) {}
    constexpr revrep(const T s, const T t, const T d) noexcept : s(t - 1, -d), t(s - 1, -d) {}
    constexpr auto begin() const noexcept { return s; }
    constexpr auto end  () const noexcept { return t; }
};
#line 3 "cp-library/src/utility/io.hpp"

/* 128bit integer */
istream& operator>>(istream& is, i128& x) {
    std::string s; is >> s;
    int pm = (s[0] == '-');
    x = 0;
    for(int i : rep(pm, int(s.size()))) x = x * 10 + (s[i] - '0');
    if(pm) x *= -1;
    return is;
}
ostream& operator<<(ostream& os, const i128& x) {
    if(x == 0) return os << '0';
    i128 y = x;
    if(y < 0) { os << '-'; y *= -1; }
    std::vector<int> ny;
    while(y > 0) { ny.push_back(y % 10); y /= 10; }
    for(int i : revrep(ny.size())) os << ny[i];
    return os;
}

template < class S, class T > istream& operator>>(istream& is,       std::pair< S, T >& x) { is >> x.first        >> x.second; return is; }
template < class S, class T > ostream& operator<<(ostream& os, const std::pair< S, T >& x) { os << x.first << " " << x.second; return os; }

namespace scanner {
    struct sca {
        template < class T > operator T() {
            T s; std::cin >> s; return s;
        }
    };
    struct vec {
        int n;
        vec(int n) : n(n) {}
        template < class T > operator std::vector< T >() {
            std::vector< T > v(n);
            for(T& x : v) std::cin >> x;
            return v;
        }
    };
    struct mat {
        int h, w;
        mat(int h, int w) : h(h), w(w) {}
        template < class T > operator std::vector< std::vector< T > >() {
            std::vector m(h, std::vector< T >(w));
            for(std::vector< T >& v : m) for(T& x : v) std::cin >> x;
            return m;
        }
    };
    struct speedup {
        speedup() {
            std::cin.tie(0);
            std::ios::sync_with_stdio(0);
        }
    } speedup_instance;
}
scanner::sca in() { return scanner::sca(); }
scanner::vec in(int n) { return scanner::vec(n); }
scanner::mat in(int h, int w) { return scanner::mat(h, w); }

namespace printer {
    void precision(int d) { std::cout << std::fixed << std::setprecision(d); }
    void flush() { std::cout.flush(); }
}

template < class T >
ostream& operator<<(ostream& os, const std::vector< T > a) {
    int n = a.size();
    for(int i : rep(n)) { os << a[i]; if(i != n - 1) os << ' '; }
    return os;
}

int print() { std::cout << '\n'; return 0; }
template < class head, class... tail > int print(head&& h, tail&&... t) {
    std::cout << h; if(sizeof...(tail)) std::cout << ' ';
    return print(std::forward<tail>(t)...);
}
template < class T > int print_n(const std::vector< T > a) {
    int n = a.size();
    for(int i : rep(n)) std::cout << a[i] << "\n";
    return 0;
}


#line 2 "cp-library/src/utility/key_val.hpp"

template < class K, class V >
struct key_val {
    K key; V val;
    key_val() {}
    key_val(K key, V val) : key(key), val(val) {}
    template < std::size_t Index >
    std::tuple_element_t< Index, key_val >& get() {
        if constexpr (Index == 0) return key;
        if constexpr (Index == 1) return val;
    }
};

namespace std {

template < class K, class V > struct tuple_size < key_val< K, V > > : integral_constant< size_t, 2 > {};
template < class K, class V > struct tuple_element < 0, key_val< K, V > > { using type = K; };
template < class K, class V > struct tuple_element < 1, key_val< K, V > > { using type = V; };

}
#line 2 "cp-library/src/utility/vec_op.hpp"
template < class T > key_val< int, T > max_of(const vector< T >& a) {
    int i = std::max_element(a.begin(), a.end()) - a.begin();
    return {i, a[i]};
}
template < class T > key_val< int, T > min_of(const vector< T >& a) {
    int i = std::min_element(a.begin(), a.end()) - a.begin();
    return {i, a[i]};
}
template < class S, class T > S sum_of(const vector< T >& a) {
    S sum = 0;
    for(const T x : a) sum += x;
    return sum;
}
template < class S, class T > vector< S > freq_of(const vector< T >& a, T L, T R) {
    vector< S > res(R - L, S(0));
    for(const T x : a) res[x - L] += 1;
    return res;
}
template < class S, class T > struct prefix_sum {
    vector< S > s;
    prefix_sum(const vector< T >& a) : s(a) {
        s.insert(s.begin(), S(0));
        for(int i : rep(a.size())) s[i + 1] += s[i];
    }
    // [L, R)
    S sum(int L, int R) { return s[R] - s[L]; }
};
#line 3 "cp-library/src/utility/heap.hpp"

template < class T > using heap_min = std::priority_queue< T, std::vector< T >, std::greater< T > >;
template < class T > using heap_max = std::priority_queue< T, std::vector< T >, std::less< T > >;

#line 27 "cp-library/src/cp-template.hpp"

#line 1 "cp-library/src/algorithm/bin_search.hpp"
template < class T, class F >
T bin_search(T ok, T ng, F f) {
    while(abs(ng - ok) > 1) {
        T mid = (ok + ng) / 2;
        (f(mid) ? ok : ng) = mid;
    }
    return ok;
}

template < class T, class F >
T bin_search_real(T ok, T ng, F f, int step = 80) {
    while(step--) {
        T mid = (ok + ng) / 2;
        (f(mid) ? ok : ng) = mid;
    }
    return ok;
}
#line 2 "cp-library/src/algorithm/argsort.hpp"

template < class T > std::vector< int > argsort(const std::vector< T > &a) {
    std::vector< int > ids((int)a.size());
    std::iota(ids.begin(), ids.end(), 0);
    std::sort(ids.begin(), ids.end(), [&](int i, int j) {
        return a[i] < a[j] || (a[i] == a[j] && i < j);
    });
    return ids;
}
#line 1 "macro.hpp"
namespace macro {

using size_type = int;
template < class container > void  sort(container& a) { std::sort(std:: begin(a), std:: end(a)); }
template < class container > void rsort(container& a) { std::sort(std::rbegin(a), std::rend(a)); }
template < class container > void reverse(container& a) { std::reverse(std::begin(a), std::end(a)); }
template < class container > void unique(container& a) {
    std::sort(std::begin(a), std::end(a));
    a.erase(std::unique(std::begin(a), std::end(a)), std::end(a));
}
template < class container > container  sorted(const container& a) { container b = a;  sort(b); return std::move(b); }
template < class container > container rsorted(const container& a) { container b = a; rsort(b); return std::move(b); }
template < class container, class compare > void sort(container& a, const compare& cmp) { std::sort(std::begin(a), std::end(a), cmp); }
template < class container, class compare > container sorted(const container& a, const compare& cmp) { container b = a; sort(b, cmp); return std::move(b); }
template < class container, class value > size_type lower_bound(const container& a, const value& x) { return std::lower_bound(std::begin(a), std::end(a), x) - std::begin(a); }
template < class container, class value > size_type upper_bound(const container& a, const value& x) { return std::upper_bound(std::begin(a), std::end(a), x) - std::begin(a); }

const std::vector<std::pair<size_type, size_type>> dir4 = { {+1,  0}, {-1,  0}, { 0, +1}, { 0, -1} };
const std::vector<std::pair<size_type, size_type>> dir8 = { {-1, -1}, {-1,  0}, {-1, +1}, { 0, -1}, { 0, +1}, {+1, -1}, {+1,  0}, {+1, +1} };

#ifdef _DEBUG
#define debug(x) std::cout << "[" << __LINE__ << "] " << #x << ": " << x << std::endl
#else
#define debug(x)
#endif

template < class container > void concat(container& a, const container& b) {
    a.insert(std::end(a), std::begin(b), std::end(b));
}
std::vector<size_type> iota(const size_type n) {
    std::vector<size_type> I(n);
    std::iota(std::begin(I), std::end(I), 0);
    return I;
}
template < class container > std::vector<size_type> sort_idx(const container& a) {
    const size_type n = a.size();
    std::vector<size_type> I = iota(n);
    std::sort(std::begin(I), std::end(I), [&](size_type i, size_type j) { return a[i] < a[j] or (a[i] == a[j] and i < j); });
    return I;
}
template < class container, class compare > std::vector<size_type> sort_idx(const container& a, const compare& cmp) {
    const size_type n = a.size();
    std::vector<size_type> I = iota(n);
    std::sort(std::begin(I), std::end(I), [&](size_type i, size_type j) { return cmp(a[i], a[j]) or (a[i] == a[j] and i < j); });
    return std::move(I);
}

struct grid {
    using size_type = int;
    size_type H, W;
    grid(const size_type H, const size_type W) : H(H), W(W) {}
    bool contains(const size_type i, const size_type j) {
        return 0 <= i and i < H and 0 <= j and j < W;
    }
};

using f64 = long double;

template < class T > vector< T >& operator++(vector< T >& a) { for(T& x : a) x++; return a; }
template < class T > vector< T >& operator--(vector< T >& a) { for(T& x : a) x--; return a; }
template < class T > vector< T >  operator++(vector< T >& a, signed) { vector< T > res = a; for(T& x : a) x++; return res; }
template < class T > vector< T >  operator--(vector< T >& a, signed) { vector< T > res = a; for(T& x : a) x--; return res; }

} // namespace macro

using namespace macro;
#line 3 "A.cpp"

int main() {
    int N = in();
    vector<int> A = in(N);

    vector<pair<int,int>> B(N);
    for(int i : rep(N)) B[i] = {A[i], i};
    sort(B);

    auto [i, j] = [&] {
        for(int i : rep(N - 1)) {
            if(B[i].first == B[i + 1].first) {
                return make_pair(B[i].second, B[i + 1].second);
            }
        }
        return make_pair(-1, -1);
    }();

    if(make_pair(i, j) != make_pair(-1, -1)) {
        vector<int> P1 = iota(N), P2 = iota(N);
        swap(P2[i], P2[j]);
        print(++P1);
        print(++P2);
        int Xor = 0;
        for(int i : rep(N)) Xor ^= (P1[i] + A[i]) ^ (P2[i] + A[i]);
        return 0;
    } else {
        if(N <= 8) {
            vector<int> P1 = iota(N), P2 = iota(N);
            do {
            do {
                int Xor = 0;
                for(int i : rep(N)) Xor ^= (P1[i] + 1 + A[i]) ^ (P2[i] + 1 + A[i]);
                if(Xor == 0 and P1 != P2) {
                    print(++P1);
                    print(++P2);
                    return 0;
                }
            } while(next_permutation(P2.begin(), P2.end()));
            } while(next_permutation(P1.begin(), P1.end()));
            print(-1);
        } else {
            vector<int> P1(N, -1), P2(N, -1);
            int x = 1;
            for(int i : rep(N)) {
                if(A[i] % 4 == 0) {
                    if(x <= 2) {
                        P1[i] = x;
                        P2[i] = 3 - x;
                        x++;
                    }
                }
            }
            assert(x == 3);
            for(int i : rep(N)) if(P1[i] == -1) {
                P1[i] = x;
                P2[i] = x;
                x++;
            }
            assert(x == N + 1);
            print(P1);
            print(P2);
        }
    }
}

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結果

テストケース

ソースコード