結果

問題 No.2755 行列の共役類
ユーザー noya2noya2
提出日時 2024-05-10 22:48:45
言語 C++23
(gcc 12.3.0 + boost 1.83.0)
結果
TLE  
実行時間 -
コード長 7,225 bytes
コンパイル時間 3,220 ms
コンパイル使用メモリ 259,412 KB
実行使用メモリ 10,140 KB
最終ジャッジ日時 2024-05-10 22:48:58
合計ジャッジ時間 11,949 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
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
10,012 KB
testcase_01 AC 2 ms
6,944 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 4 ms
6,944 KB
testcase_04 AC 8 ms
6,940 KB
testcase_05 AC 4 ms
6,944 KB
testcase_06 AC 2 ms
6,940 KB
testcase_07 AC 7 ms
6,940 KB
testcase_08 AC 3 ms
6,940 KB
testcase_09 AC 3 ms
6,940 KB
testcase_10 AC 2 ms
6,940 KB
testcase_11 AC 1 ms
6,940 KB
testcase_12 AC 1 ms
6,944 KB
testcase_13 AC 12 ms
6,944 KB
testcase_14 AC 2 ms
6,944 KB
testcase_15 AC 2 ms
6,944 KB
testcase_16 AC 2 ms
6,940 KB
testcase_17 AC 13 ms
6,944 KB
testcase_18 AC 3 ms
6,940 KB
testcase_19 AC 1 ms
6,944 KB
testcase_20 AC 2 ms
6,944 KB
testcase_21 AC 10 ms
6,940 KB
testcase_22 AC 3 ms
6,940 KB
testcase_23 AC 3 ms
6,940 KB
testcase_24 AC 3 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
6,940 KB
testcase_28 AC 24 ms
6,940 KB
testcase_29 AC 2 ms
6,940 KB
testcase_30 AC 23 ms
6,940 KB
testcase_31 AC 22 ms
6,944 KB
testcase_32 AC 8 ms
6,940 KB
testcase_33 AC 2 ms
6,940 KB
testcase_34 AC 2 ms
6,940 KB
testcase_35 AC 2 ms
6,940 KB
testcase_36 AC 2 ms
6,944 KB
testcase_37 AC 2 ms
6,944 KB
testcase_38 AC 2 ms
6,940 KB
testcase_39 AC 6 ms
6,940 KB
testcase_40 AC 6 ms
6,944 KB
testcase_41 AC 4 ms
6,944 KB
testcase_42 AC 2 ms
6,944 KB
testcase_43 AC 3 ms
6,944 KB
testcase_44 AC 1 ms
6,940 KB
testcase_45 AC 1 ms
6,944 KB
testcase_46 AC 1 ms
6,940 KB
testcase_47 AC 1 ms
6,940 KB
testcase_48 AC 2 ms
6,944 KB
testcase_49 AC 1 ms
6,944 KB
testcase_50 AC 2 ms
6,940 KB
testcase_51 AC 1 ms
6,944 KB
testcase_52 AC 2 ms
6,944 KB
testcase_53 AC 2,152 ms
6,940 KB
testcase_54 AC 545 ms
6,940 KB
testcase_55 AC 265 ms
6,940 KB
testcase_56 TLE -
testcase_57 -- -
testcase_58 -- -
testcase_59 -- -
testcase_60 -- -
testcase_61 -- -
testcase_62 -- -
testcase_63 -- -
testcase_64 -- -
testcase_65 -- -
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 #

#line 2 "/Users/noya2/Desktop/Noya2_library/template/template.hpp"
using namespace std;

#include<bits/stdc++.h>
#line 1 "/Users/noya2/Desktop/Noya2_library/template/inout_old.hpp"
namespace noya2 {

template <typename T, typename U>
ostream &operator<<(ostream &os, const pair<T, U> &p){
    os << p.first << " " << p.second;
    return os;
}
template <typename T, typename U>
istream &operator>>(istream &is, pair<T, U> &p){
    is >> p.first >> p.second;
    return is;
}

template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v){
    int s = (int)v.size();
    for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i];
    return os;
}
template <typename T>
istream &operator>>(istream &is, vector<T> &v){
    for (auto &x : v) is >> x;
    return is;
}

void in() {}
template <typename T, class... U>
void in(T &t, U &...u){
    cin >> t;
    in(u...);
}

void out() { cout << "\n"; }
template <typename T, class... U, char sep = ' '>
void out(const T &t, const U &...u){
    cout << t;
    if (sizeof...(u)) cout << sep;
    out(u...);
}

template<typename T>
void out(const vector<vector<T>> &vv){
    int s = (int)vv.size();
    for (int i = 0; i < s; i++) out(vv[i]);
}

struct IoSetup {
    IoSetup(){
        cin.tie(nullptr);
        ios::sync_with_stdio(false);
        cout << fixed << setprecision(15);
        cerr << fixed << setprecision(7);
    }
} iosetup_noya2;

} // namespace noya2
#line 1 "/Users/noya2/Desktop/Noya2_library/template/const.hpp"
namespace noya2{

const int iinf = 1'000'000'007;
const long long linf = 2'000'000'000'000'000'000LL;
const long long mod998 =  998244353;
const long long mod107 = 1000000007;
const long double pi = 3.14159265358979323;
const vector<int> dx = {0,1,0,-1,1,1,-1,-1};
const vector<int> dy = {1,0,-1,0,1,-1,-1,1};
const string ALP = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const string alp = "abcdefghijklmnopqrstuvwxyz";
const string NUM = "0123456789";

void yes(){ cout << "Yes\n"; }
void no(){ cout << "No\n"; }
void YES(){ cout << "YES\n"; }
void NO(){ cout << "NO\n"; }
void yn(bool t){ t ? yes() : no(); }
void YN(bool t){ t ? YES() : NO(); }

} // namespace noya2
#line 1 "/Users/noya2/Desktop/Noya2_library/template/utils.hpp"
namespace noya2{

unsigned long long inner_binary_gcd(unsigned long long a, unsigned long long b){
    if (a == 0 || b == 0) return a + b;
    int n = __builtin_ctzll(a); a >>= n;
    int m = __builtin_ctzll(b); b >>= m;
    while (a != b) {
        int mm = __builtin_ctzll(a - b);
        bool f = a > b;
        unsigned long long c = f ? a : b;
        b = f ? b : a;
        a = (c - b) >> mm;
    }
    return a << min(n, m);
}

template<typename T> T gcd_fast(T a, T b){ return static_cast<T>(inner_binary_gcd(abs(a),abs(b))); }

long long sqrt_fast(long long n) {
    if (n <= 0) return 0;
    long long x = sqrt(n);
    while ((x + 1) * (x + 1) <= n) x++;
    while (x * x > n) x--;
    return x;
}

template<typename T> T floor_div(const T n, const T d) {
    assert(d != 0);
    return n / d - static_cast<T>((n ^ d) < 0 && n % d != 0);
}

template<typename T> T ceil_div(const T n, const T d) {
    assert(d != 0);
    return n / d + static_cast<T>((n ^ d) >= 0 && n % d != 0);
}

template<typename T> void uniq(vector<T> &v){
    sort(v.begin(),v.end());
    v.erase(unique(v.begin(),v.end()),v.end());
}

template <typename T, typename U> inline bool chmin(T &x, U y) { return (y < x) ? (x = y, true) : false; }

template <typename T, typename U> inline bool chmax(T &x, U y) { return (x < y) ? (x = y, true) : false; }

template<typename T> inline bool range(T l, T x, T r){ return l <= x && x < r; }

} // namespace noya2
#line 8 "/Users/noya2/Desktop/Noya2_library/template/template.hpp"

#define rep(i,n) for (int i = 0; i < (int)(n); i++)
#define repp(i,m,n) for (int i = (m); i < (int)(n); i++)
#define reb(i,n) for (int i = (int)(n-1); i >= 0; i--)
#define all(v) (v).begin(),(v).end()

using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull = unsigned long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
using pil = pair<int,ll>;
using pli = pair<ll,int>;

namespace noya2{

/* ~ (. _________ . /) */

}

using namespace noya2;


#line 2 "c.cpp"

#line 2 "/Users/noya2/Desktop/Noya2_library/data_structure/dsu.hpp"

#line 4 "/Users/noya2/Desktop/Noya2_library/data_structure/dsu.hpp"

namespace noya2{

struct dsu {
  public:
    dsu() : _n(0) {}
    dsu(int n) : _n(n), parent_or_size(n, -1) {}

    int merge(int a, int b) {
        assert(0 <= a && a < _n);
        assert(0 <= b && b < _n);
        int x = leader(a), y = leader(b);
        if (x == y) return x;
        if (-parent_or_size[x] < -parent_or_size[y]) std::swap(x, y);
        parent_or_size[x] += parent_or_size[y];
        parent_or_size[y] = x;
        return x;
    }

    bool same(int a, int b) {
        assert(0 <= a && a < _n);
        assert(0 <= b && b < _n);
        return leader(a) == leader(b);
    }

    int leader(int a) {
        assert(0 <= a && a < _n);
        if (parent_or_size[a] < 0) return a;
        return parent_or_size[a] = leader(parent_or_size[a]);
    }

    int size(int a) {
        assert(0 <= a && a < _n);
        return -parent_or_size[leader(a)];
    }

    std::vector<std::vector<int>> groups() {
        std::vector<int> leader_buf(_n), group_size(_n);
        for (int i = 0; i < _n; i++) {
            leader_buf[i] = leader(i);
            group_size[leader_buf[i]]++;
        }
        std::vector<std::vector<int>> result(_n);
        for (int i = 0; i < _n; i++) {
            result[i].reserve(group_size[i]);
        }
        for (int i = 0; i < _n; i++) {
            result[leader_buf[i]].push_back(i);
        }
        result.erase(
            std::remove_if(result.begin(), result.end(),
                           [&](const std::vector<int>& v) { return v.empty(); }),
            result.end());
        return result;
    }

  private:
    int _n;
    // root node: -1 * component size
    // otherwise: parent
    std::vector<int> parent_or_size;
};

} // namespace noya2
#line 4 "c.cpp"

void solve(){
    int b, c; in(b,c);
    int bc = b / c;
    vector<int> cop;
    for (int a = 1; a <= b; a++){
        if (gcd_fast(a,b) == 1){
            cop.emplace_back(a);
        }
    }
    int ans = 0;
    for (int a : cop){
        if (ans > 100) break;
        dsu d(bc);
        int g = gcd_fast(abs(1-a),bc);
        if (g == 1){
            ans++;
            continue;
        }
        rep(i,bc) repp(j,i+1,bc){
            if (d.same(i,j)) continue;
            bool edge = false;
            for (int ar : cop){
                int v1 = - j*ar - i;
                if (v1 % g == 0){
                    edge = true;
                    break;
                }
                int v2 = - i*ar - j;
                if (v2 % g == 0){
                    edge = true;
                    break;
                }
            }
            if (edge){
                d.merge(i,j);
            }
        }
        int pl = d.groups().size();
        ans += pl;
    }
    if (ans > 100){
        out("100+");
    }
    else {
        out(ans);
    }
}

int main(){
    int t = 1; //in(t);
    while (t--) { solve(); }
}
0