結果

問題 No.2 素因数ゲーム
ユーザー 37kt_37kt_
提出日時 2016-01-13 20:56:01
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 74 ms / 5,000 ms
コード長 3,472 bytes
コンパイル時間 1,599 ms
コンパイル使用メモリ 172,020 KB
実行使用メモリ 21,228 KB
最終ジャッジ日時 2024-06-08 00:16:07
合計ジャッジ時間 4,754 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
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 73 ms
21,100 KB
testcase_01 AC 73 ms
21,096 KB
testcase_02 AC 73 ms
20,976 KB
testcase_03 AC 72 ms
20,972 KB
testcase_04 AC 72 ms
21,096 KB
testcase_05 AC 73 ms
20,972 KB
testcase_06 AC 72 ms
21,100 KB
testcase_07 AC 74 ms
20,968 KB
testcase_08 AC 74 ms
21,100 KB
testcase_09 AC 73 ms
21,100 KB
testcase_10 AC 73 ms
21,100 KB
testcase_11 AC 73 ms
21,228 KB
testcase_12 AC 74 ms
21,108 KB
testcase_13 AC 72 ms
20,972 KB
testcase_14 AC 72 ms
20,976 KB
testcase_15 AC 73 ms
21,100 KB
testcase_16 AC 73 ms
21,100 KB
testcase_17 AC 74 ms
21,096 KB
testcase_18 AC 73 ms
21,100 KB
testcase_19 AC 74 ms
21,100 KB
testcase_20 AC 73 ms
21,100 KB
testcase_21 AC 73 ms
21,096 KB
testcase_22 AC 73 ms
21,100 KB
testcase_23 AC 72 ms
21,100 KB
testcase_24 AC 74 ms
21,100 KB
testcase_25 AC 73 ms
20,972 KB
testcase_26 AC 74 ms
20,972 KB
testcase_27 AC 73 ms
21,096 KB
testcase_28 AC 73 ms
20,972 KB
testcase_29 AC 73 ms
21,032 KB
testcase_30 AC 73 ms
21,096 KB
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ソースコード

diff #

// template {{{
#include <bits/stdc++.h>
using namespace std;

// #define int long long

#define GET_MACRO(a, b, c, d, NAME, ...) NAME
#define REP2(i, n) REP3(i, 0, n)
#define REP3(i, a, b) REP4(i, a, b, 1)
#define REP4(i, a, b, s) for (ll i = (a); i < (ll)(b); i += s)
#define RREP2(i, n) RREP3(i, 0, n)
#define RREP3(i, a, b) for (ll i = (b) - 1; i >= (ll)(a); i--)

#define rep(...) GET_MACRO(__VA_ARGS__, REP4, REP3, REP2)(__VA_ARGS__)
#define rrep(...) GET_MACRO(__VA_ARGS__,, RREP3, RREP2)(__VA_ARGS__)
#define eb emplace_back
#define ef emplace_front
#define pb pop_back
#define pf pop_front
#define all(c) begin(c), end(c)
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define popcnt __builtin_popcountll

using uint = unsigned;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using vi = vector<int>;
using vvi = vector<vi>;

template<typename T>
using maxheap = priority_queue<T, vector<T>, less<T>>;

template<typename T>
using minheap = priority_queue<T, vector<T>, greater<T>>;

const int INF = 1e9 + 10;
const ll LLINF = 1e18 + 10;

const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, -1, 0, 1};
const int dx8[] = {-1, -1, 0, 1, 1, 1, 0, -1};
const int dy8[] = {0, -1, -1, -1, 0, 1, 1, 1};

template<typename T>
inline T sq(T x){
	return x * x;
}

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

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

template<typename T>
inline T& sort(T &c){
	sort(all(c));
	return c;
}

template<typename T>
inline T& reverse(T &c){
	reverse(all(c));
	return c;
}

template<typename T>
inline T& unique(T &c){
	sort(all(c));
	c.erase(unique(all(c)), end(c));
	return c;
}

template<typename T>
inline T sorted(const T &c){
	T d = c;
	return sort(d);
}

template<typename T>
inline T reversed(const T &c){
	T d = c;
	return reverse(d);
}

template<typename T>
inline T uniqued(const T &c){
	T d = c;
	return unique(d);
}

template<typename T>
T power(T x, long long r, const T &e = 1){
	T res(e);
	while (r){
		if (r & 1) res = res * x;
		x = x * x;
		r >>= 1;
	}
	return res;
}
// }}}
// prime {{{
namespace {
const int PRIME_N = 10000010;
bool prime[PRIME_N];
vector<ll> primes;

bool isPrime(ll x){
	for (ll i = 2; i * i <= x; i++){
		if (x % i == 0) return false;
	}
	return true;
}

vector<ll> primeFactor(ll x){
	vector<ll> res;
	for (ll i = 2, xx = x; i * i <= xx; i++){
		while (x % i == 0){
			res.push_back(i);
			x /= i;
		}
	}
	if (x > 1) res.push_back(x);
	return res;
}

vector<ll> divisors(ll x){
	vector<ll> res;
	for (ll i = 1; i * i <= x; i++){
		if (x % i == 0){
			res.push_back(i);
			res.push_back(x / i);
		}
	}
	return unique(res);
}

struct prepare {
	prepare(){
		for (ll i = 2; i < PRIME_N; i++){
			prime[i] = true;
		}
		for (ll i = 2; i * i < PRIME_N; i++){
			if (!prime[i]) continue;
			for (ll j = i * i; j < PRIME_N; j += i){
				prime[j] = false;
			}
		}
		for (ll i = 0; i < PRIME_N; i++){
			if (prime[i]){
				primes.push_back(i);
			}
		}
	}
} prepare_;
}
// }}}

ll n;
vector<ll> v;
map<ll, int> dp;

int calc(ll x)
{
	if (x == 1) return -1;
	if (dp[x]) return dp[x];
	ll r = 1;
	for (ll a : v){
		ll t = x;
		while (t % a == 0){
			chmin(r, calc(t /= a));
		}
	}
	return dp[x] = -r;
}

int main()
{
	cin >> n;
	v = uniqued(primeFactor(n));
	cout << (calc(n) > 0 ? "Alice" : "Bob") << endl;
}
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