結果

問題 No.2 素因数ゲーム
ユーザー cutmdocutmdo
提出日時 2021-11-05 23:35:35
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 13 ms / 5,000 ms
コード長 4,557 bytes
コンパイル時間 3,391 ms
コンパイル使用メモリ 264,772 KB
実行使用メモリ 11,704 KB
最終ジャッジ日時 2023-08-06 11:49:06
合計ジャッジ時間 5,794 ms
ジャッジサーバーID
(参考情報)
judge14 / judge15
このコードへのチャレンジ(β)

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 11 ms
11,548 KB
testcase_01 AC 12 ms
11,524 KB
testcase_02 AC 12 ms
11,624 KB
testcase_03 AC 13 ms
11,648 KB
testcase_04 AC 12 ms
11,528 KB
testcase_05 AC 12 ms
11,576 KB
testcase_06 AC 12 ms
11,632 KB
testcase_07 AC 12 ms
11,440 KB
testcase_08 AC 12 ms
11,568 KB
testcase_09 AC 12 ms
11,652 KB
testcase_10 AC 12 ms
11,704 KB
testcase_11 AC 12 ms
11,640 KB
testcase_12 AC 12 ms
11,544 KB
testcase_13 AC 12 ms
11,580 KB
testcase_14 AC 12 ms
11,336 KB
testcase_15 AC 12 ms
11,440 KB
testcase_16 AC 12 ms
11,376 KB
testcase_17 AC 12 ms
11,652 KB
testcase_18 AC 12 ms
11,644 KB
testcase_19 AC 12 ms
11,704 KB
testcase_20 AC 12 ms
11,524 KB
testcase_21 AC 12 ms
11,644 KB
testcase_22 AC 12 ms
11,704 KB
testcase_23 AC 11 ms
11,580 KB
testcase_24 AC 12 ms
11,504 KB
testcase_25 AC 13 ms
11,504 KB
testcase_26 AC 12 ms
11,636 KB
testcase_27 AC 13 ms
11,552 KB
testcase_28 AC 12 ms
11,524 KB
testcase_29 AC 12 ms
11,640 KB
testcase_30 AC 12 ms
11,380 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 #

//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,avx512f")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <iostream>
#include <iomanip>
#include <string>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <stack>
#include <queue>
#include <bitset>
#include <numeric>
#include <cassert>
#include <memory>
#include <random>
#include <functional>
#include <complex>
#include <immintrin.h>
#ifdef DEBUG
#include "./CompetitiveProgrammingCpp/debug.hpp"
#include "./CompetitiveProgrammingCpp/sample.hpp"
#include "./CompetitiveProgrammingCpp/Timer.hpp"
#else
#define dump(...)
#endif

/* macro */
#define FOR(i, b, e) for(ll i = (ll)(b); i < (ll)(e); ++i)
#define RFOR(i, b, e) for(ll i = (ll)(e-1); i >= (ll)(b); --i)
#define REP(i, n) FOR(i, 0, n)
#define RREP(i, n) RFOR(i, 0, n)
#define REPC(x, c) for(const auto& x:(c))
#define REPI2(it,b,e) for(auto it = (b); it != (e); ++it)
#define REPI(it,c) REPI2(it, (c).begin(), (c).end())
#define RREPI(it,c) REPI2(it, (c).rbegin(), (c).rend())
#define REPI_ERACE2(it, b, e) for(auto it = (b); it != (e);)
#define REPI_ERACE(it, c) REPI_ERACE2(it, (c).begin(), (c).end())
#define ALL(x) (x).begin(),(x).end()
#define cauto const auto&
/* macro func */
template<class T>
inline auto sort(T& t) { std::sort(ALL(t)); }
template<class T>
inline auto rsort(T& t) { std::sort((t).rbegin(), (t).rend()); }
template<class T>
inline auto unique(T& t) { (t).erase(unique((t).begin(), (t).end()), (t).end()); }
template<class T, class S>
inline auto chmax(T& t, const S& s) { if(s > t) { t = s; return true; } return false; }
template<class T, class S>
inline auto chmin(T& t, const S& s) { if(s < t) { t = s; return true; } return false; }
inline auto BR() { std::cout << "\n"; }

/* type define */
using ll = long long;
using PAIR = std::pair<ll, ll>;
using VS = std::vector<std::string>;
using VL = std::vector<long long>;
using VVL = std::vector<VL>;
using VVVL = std::vector<VVL>;
using VD = std::vector<double>;
template<class T>
using V = std::vector<T>;

/* using std */
using std::cout;
constexpr char endl = '\n';
using std::cin;
using std::pair;
using std::string;
using std::stack;
using std::queue;
using std::vector;
using std::list;
using std::map;
using std::unordered_map;
using std::multimap;
using std::unordered_multimap;
using std::set;
using std::unordered_set;
using std::unordered_multiset;
using std::multiset;
using std::bitset;
using std::priority_queue;

/* Initial processing  */
struct Preprocessing { Preprocessing() { std::cin.tie(0); std::ios::sync_with_stdio(0); }; }_Preprocessing;

/* Remove the source of the bug */
signed pow(signed, signed) { assert(false); return -1; }

/* define hash */
namespace std {
template <>	class hash<std::pair<ll, ll>> { public:	size_t operator()(const std::pair<ll, ll>& x) const { return hash<ll>()(1000000000 * x.first + x.second); } };
}

/* input */
template<class T> std::istream& operator >> (std::istream& is, vector<T>& vec) { for(T& x : vec) is >> x; return is; }

/* constant value */
// constexpr ll MOD = 1000000007;
constexpr ll MOD = 998244353;

//=============================================================================================



class Prime {
    const int n;
    const std::deque<int> p_list;

public:

    static inline auto linearSieve(int n) {
        std::deque<int> p_list;
        std::vector<int> lpf(n + 1);
        for(int d = 2; d < n + 1; ++d) {
            if(!lpf[d]) {
                lpf[d] = d;
                p_list.emplace_back(d);
            }
            for(const auto& p : p_list) {
                if(p * d > n || p > lpf[d]) { break; }
                lpf[p * d] = p;
            }
        }
        return std::tuple{p_list,lpf};
    }

    Prime(int n) :n(n), p_list(std::get<0>(linearSieve(n))) {}

    /* nはsqrt(max(x))あれば十分なので気を付ける */
    auto factorization(int x) const {
        std::unordered_map<int, int> table;
        for(const auto& p : p_list) {
            while(x % p == 0) {
                table[p]++;
                x /= p;
            }
        }
        if(x > 1) { table[x]++; }
        return table;
    }

};

signed main() {

    ll n;
    cin >> n;

    auto prime = Prime(1e6);

    ll gr = 0;
    for(const auto& [_, x] : prime.factorization(n)) {
        gr ^= x;
    }

    cout << ((gr) ? "Alice" : "Bob") << endl;

}
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