結果
| 問題 | No.2 素因数ゲーム | 
| コンテスト | |
| ユーザー |  tancahn2380 | 
| 提出日時 | 2018-03-29 13:31:14 | 
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 2 ms / 5,000 ms | 
| コード長 | 2,100 bytes | 
| コンパイル時間 | 1,483 ms | 
| コンパイル使用メモリ | 114,440 KB | 
| 実行使用メモリ | 5,248 KB | 
| 最終ジャッジ日時 | 2024-12-26 13:28:19 | 
| 合計ジャッジ時間 | 2,715 ms | 
| ジャッジサーバーID (参考情報) | judge3 / judge2 | 
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| ファイルパターン | 結果 | 
|---|---|
| other | AC * 31 | 
ソースコード
# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <tuple>
# include <unordered_map>
# include <numeric>
# include <complex>
# include <bitset>
# include <random>
# include <chrono>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr int INF = 2147483647;
constexpr int HINF = INF / 2;
constexpr double DINF = 100000000000000000.0;
constexpr double HDINF = 50000000000000000.0;
constexpr long long LINF = 9223372036854775807;
constexpr long long HLINF = 4500000000000000000;
const double PI = acos(-1);
int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 };
template <typename T_char>T_char TL(T_char cX) { return tolower(cX); };
template <typename T_char>T_char TU(T_char cX) { return toupper(cX); };
# define ALL(x)      (x).begin(),(x).end()
# define UNIQ(c)     (c).erase(unique(ALL((c))),(c).end())
# define LOWER(s)    transform(ALL((s)),(s).begin(),TL<char>)
# define UPPER(s)    transform(ALL((s)),(s).begin(),TU<char>)
# define mp          make_pair
# define eb          emplace_back
# define FOR(i,a,b)  for(LL i=(a);i<(b);i++)
# define RFOR(i,a,b) for(LL i=(a);i>=(b);i--)
# define REP(i,n)    FOR(i,0,n)
# define INIT        std::ios::sync_with_stdio(false);std::cin.tie(0)
vector<LL> PrimeFact(LL n) {
	vector<LL> res;
	while (n != 1) {
		if (n == 2 || n == 3) {
			res.emplace_back(n); n /= n;
			continue;
		}
		bool prime_flag = false;
		for (int i = 2; i*i <= n; i++) {
			if (n%i == 0) {
				res.emplace_back(i); n /= i;
				prime_flag = true;
				break;
			}
		}
		if (!prime_flag) { res.emplace_back(n); n /= n; }
	}
	return res;
}
LL n;
map<LL, int> sisucount;
int main() {
	cin >> n; 
	vector<LL> prime = PrimeFact(n);
	REP(i, prime.size()) {
		sisucount[prime[i]]++;
	}
	LL num = 0;
	for (auto a = sisucount.begin(); a != sisucount.end(); a++) {
		if (a->second != 0) {
			num ^= (a->second);
		}
	}
	cout << (num ? "Alice" : "Bob") << endl;
}
            
            
            
        