結果
問題 |
No.2 素因数ゲーム
|
ユーザー |
![]() |
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; }