結果
問題 | No.2 素因数ゲーム |
ユーザー | kyoprouno |
提出日時 | 2020-12-27 23:24:46 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 20 ms / 5,000 ms |
コード長 | 7,449 bytes |
コンパイル時間 | 2,943 ms |
コンパイル使用メモリ | 217,328 KB |
実行使用メモリ | 19,040 KB |
最終ジャッジ日時 | 2024-10-01 22:22:12 |
合計ジャッジ時間 | 4,582 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 18 ms
18,948 KB |
testcase_01 | AC | 18 ms
18,896 KB |
testcase_02 | AC | 19 ms
18,976 KB |
testcase_03 | AC | 18 ms
18,904 KB |
testcase_04 | AC | 18 ms
18,864 KB |
testcase_05 | AC | 20 ms
18,876 KB |
testcase_06 | AC | 19 ms
18,808 KB |
testcase_07 | AC | 20 ms
18,896 KB |
testcase_08 | AC | 18 ms
18,988 KB |
testcase_09 | AC | 18 ms
18,904 KB |
testcase_10 | AC | 19 ms
18,928 KB |
testcase_11 | AC | 19 ms
18,880 KB |
testcase_12 | AC | 19 ms
18,820 KB |
testcase_13 | AC | 19 ms
18,816 KB |
testcase_14 | AC | 19 ms
18,808 KB |
testcase_15 | AC | 20 ms
18,872 KB |
testcase_16 | AC | 19 ms
19,040 KB |
testcase_17 | AC | 19 ms
18,876 KB |
testcase_18 | AC | 19 ms
18,900 KB |
testcase_19 | AC | 19 ms
18,956 KB |
testcase_20 | AC | 19 ms
19,012 KB |
testcase_21 | AC | 19 ms
18,856 KB |
testcase_22 | AC | 20 ms
18,868 KB |
testcase_23 | AC | 19 ms
19,012 KB |
testcase_24 | AC | 19 ms
18,836 KB |
testcase_25 | AC | 19 ms
18,772 KB |
testcase_26 | AC | 19 ms
18,820 KB |
testcase_27 | AC | 18 ms
18,836 KB |
testcase_28 | AC | 18 ms
18,688 KB |
testcase_29 | AC | 19 ms
18,800 KB |
testcase_30 | AC | 19 ms
18,904 KB |
ソースコード
#pragma GCC optimize("O3") #include <bits/stdc++.h> using namespace std; #ifdef LOCAL #define _GLIBCXX_DEBUG #endif #pragma region Macros #define FOR(i, l, r) for(int i = (l) ;i < (r) ;i++) #define REP(i, n) FOR(i, 0, n) #define REPS(i, n) FOR(i, 1, n+1) #define RFOR(i, l, r) for(int i = (l) ; i >= (r) ; i--) #define RREP(i, n) RFOR(i, n - 1, 0) #define RREPS(i, n) RFOR(i, n , 1) #define SZ(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() template <class T = int> using V = vector<T>; template <class T = int> using VV = V<V<T>>; #define ll long long using ld = long double; #define pll pair<ll,ll> #define pii pair<int,int> #define pq priority_queue #define pb push_back #define eb emplace_back #define fi first #define se second #define endl '\n' #define ios ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0); #define lb(c,x) distance(c.begin(),lower_bound(all(c),x)) #define ub(c,x) distance(c.begin(),upper_bound(all(c),x)) #define VEC(type, name, size) \ V<type> name(size); \ INPUT(name) #define VVEC(type, name, h, w) \ VV<type> name(h, V<type>(w)); \ INPUT(name) #define INT(...) \ int __VA_ARGS__; \ INPUT(__VA_ARGS__) #define LL(...) \ ll __VA_ARGS__; \ INPUT(__VA_ARGS__) #define STR(...) \ string __VA_ARGS__; \ INPUT(__VA_ARGS__) #define CHAR(...) \ char __VA_ARGS__; \ INPUT(__VA_ARGS__) #define DOUBLE(...) \ DOUBLE __VA_ARGS__; \ INPUT(__VA_ARGS__) #define LD(...) \ LD __VA_ARGS__; \ INPUT(__VA_ARGS__) void scan(int &a) { cin >> a;} void scan(long long &a) { cin >> a;} void scan(char &a) { cin >> a;} void scan(double &a) { cin >> a;} void scan(long double &a) { cin >> a;} void scan(char a[]) { scanf("%s", a);} void scan(string &a) { cin >> a;} template <class T> void scan(V<T> &); template <class T, class L> void scan(pair<T, L> &); template <class T> void scan(V<T> &a){ for(auto &i : a) scan(i); } template <class T, class L> void scan(pair<T, L> &p){ scan(p.first); scan(p.second); } template <class T> void scan(T &a) { cin >> a;} void INPUT() {} template <class Head, class... Tail> void INPUT(Head &head, Tail &... tail){ scan(head); INPUT(tail...); } template <class T> inline void print(T x) { cout << x << '\n'; } template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << p.first << " " << p.second; return os; } template <typename T> istream &operator>>(istream &is, vector<T> &v) { for(T &in : v) is >> in; return is; } template <class T> ostream &operator<<(ostream &os, const V<T> &v) { REP(i, SZ(v)) { if(i) os << " "; os << v[i]; } return os; } //debug template <typename T> void view(const V<T> &v) { cerr << "{ "; for(const auto &e : v) { cerr << e << ", "; } cerr << "\b\b }"; } template <typename T> void view(const VV<T> &vv) { cerr << "{\n"; for(const auto &v : vv) { cerr << "\t"; view(v); cerr << "\n"; } cerr << "}"; } template <typename T, typename U> void view(const V<pair<T, U>> &v) { cerr << "{\n"; for(const auto &c : v) cerr << "\t(" << c.first << ", " << c.second << ")\n"; cerr << "}"; } template <typename T, typename U> void view(const map<T, U> &m) { cerr << "{\n"; for(auto &t : m) cerr << "\t[" << t.first << "] : " << t.second << "\n"; cerr << "}"; } template <typename T, typename U> void view(const pair<T, U> &p) { cerr << "(" << p.first << ", " << p.second << ")"; } template <typename T> void view(const set<T> &s) { cerr << "{ "; for(auto &t : s) { view(t); cerr << ", "; } cerr << "\b\b }"; } template <typename T> void view(T e) { cerr << e; } #ifdef LOCAL void debug_out() {} template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { view(H); cerr << ", "; debug_out(T...); } #define debug(...) \ do { \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "] : ["; \ debug_out(__VA_ARGS__); \ cerr << "\b\b]\n"; \ } while(0) #else #define debug(...) (void(0)) #endif template <class T> V<T> press(V<T> &x) { V<T> res = x; sort(all(res)); res.erase(unique(all(res)), res.end()); REP(i, SZ(x)) { x[i] = lower_bound(all(res), x[i]) - res.begin(); } return res; } template <class T> inline bool chmin(T &a, T b) { if(a > b) { a = b; return true; } return false; } template <class T> inline bool chmax(T &a, T b) { if(a < b) { a = b; return true; } return false; } inline void Yes(bool b = true) { cout << (b ? "Yes" : "No") << '\n'; } inline void YES(bool b = true) { cout << (b ? "YES" : "NO") << '\n'; } inline void err(bool b = true) { if(b) { cout << -1 << '\n'; exit(0); } } template <class T> inline void fin(bool b = true, T e = 0) { if(b) { cout << e << '\n'; exit(0); } } template <class T> T divup(T x, T y) { return (x + (y - 1)) / y; } template <typename T> T pow(T a, long long n, T e = 1) { T ret = e; while(n) { if(n & 1) ret *= a; a *= a; n >>= 1; } return ret; } struct iofast { iofast() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); } } iofast_; const int inf = 1e9; const ll INF = 1e18; const ll mod=1e9+7; #pragma endregion struct mint { ll x; // typedef long long ll; mint(ll x=0):x((x%mod+mod)%mod){} mint operator-() const { return mint(-x);} mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint& operator-=(const mint a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;} mint operator+(const mint a) const { return mint(*this) += a;} mint operator-(const mint a) const { return mint(*this) -= a;} mint operator*(const mint a) const { return mint(*this) *= a;} mint pow(ll t) const { if (!t) return 1; mint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod-2);} mint& operator/=(const mint a) { return *this *= a.inv();} mint operator/(const mint a) const { return mint(*this) /= a;} }; istream& operator>>(istream& is, mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} // combination mod prime // https://www.youtube.com/watch?v=8uowVvQ_-Mo&feature=youtu.be&t=1619 struct combination { vector<mint> fact, ifact; combination(ll n):fact(n+1),ifact(n+1) { assert(n < mod); fact[0] = 1; for (ll i = 1; i <= n; ++i) fact[i] = fact[i-1]*i; ifact[n] = fact[n].inv(); for (ll i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i; } mint operator()(ll n, ll k) { if (k < 0 || k > n) return 0; return fact[n]*ifact[k]*ifact[n-k]; } mint p(ll n, ll k) { return fact[n]*ifact[n-k]; } } c(1000005); int main(){ LL(N); V<pll> p; for(ll i=2;i*i<=N;i++){ if(N%i==0){ ll cnt=0; while(N%i==0){ N/=i; cnt++; } p.push_back({i,cnt}); } } if(N!=1) p.push_back({N,1}); ll ans=0; for(auto [x,y] : p){ ans^=y; } if(ans!=0){ cout << "Alice" << endl; } else{ cout << "Bob" << endl; } }