結果
問題 | No.3048 Order and Harmony |
ユーザー | knshnb |
提出日時 | 2019-04-01 22:14:21 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,011 bytes |
コンパイル時間 | 1,877 ms |
コンパイル使用メモリ | 172,512 KB |
実行使用メモリ | 10,624 KB |
最終ジャッジ日時 | 2024-05-05 08:06:34 |
合計ジャッジ時間 | 8,937 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 2 ms
10,624 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 518 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 3 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | TLE | - |
testcase_26 | TLE | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
testcase_40 | -- | - |
testcase_41 | -- | - |
testcase_42 | -- | - |
testcase_43 | -- | - |
testcase_44 | -- | - |
testcase_45 | -- | - |
testcase_46 | -- | - |
testcase_47 | -- | - |
testcase_48 | -- | - |
testcase_49 | -- | - |
testcase_50 | -- | - |
testcase_51 | -- | - |
testcase_52 | -- | - |
testcase_53 | -- | - |
testcase_54 | -- | - |
testcase_55 | -- | - |
testcase_56 | -- | - |
testcase_57 | -- | - |
testcase_58 | -- | - |
testcase_59 | -- | - |
testcase_60 | -- | - |
testcase_61 | -- | - |
testcase_62 | -- | - |
testcase_63 | -- | - |
testcase_64 | -- | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #define int long long #define REP(i, n) for (long long i = 0, max_i = (n); i < max_i; i++) #define REPI(i, a, b) for (long long i = (a), max_i = (b); i < max_i; i++) #define ALL(obj) begin(obj), end(obj) #define RALL(obj) rbegin(obj), rend(obj) #define fi first #define se second using ii = pair<int, int>; vector<ii> dirs = { {1, 0}, {0, 1}, {-1, 0}, {0, -1}, // 4方向 {1, 1}, {-1, 1}, {-1, -1}, {1, -1}, // 斜め {0, 0}, // 自身 }; template <class T> inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; } return false; } // debug template <class T> ostream& operator<<(ostream& s, vector<T>& d) { REP (i, d.size()) s << d[i] << (i == d.size() - 1 ? "" : " "); return s; } template <class T> ostream& operator<<(ostream& s, vector<vector<T>>& d) { REP (i, d.size()) s << d[i] << (i == d.size() - 1 ? "" : "\n"); return s; } template <class T, class S> ostream& operator<<(ostream& s, pair<T, S>& p) { s << "{" << p.first << ", " << p.second << "}"; return s; } template <class T, class S> ostream& operator<<(ostream& s, map<T, S> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; } #ifdef _MY_DEBUG #define dump(...) cerr << "/* " << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << endl, dump_func(__VA_ARGS__), cerr << "*/\n\n"; #else #define dump(...) #define endl "\n" #endif void dump_func() { cerr << endl; } template <class Head, class... Tail> void dump_func(Head&& h, Tail&&... t) { cerr << h << (sizeof...(Tail) == 0 ? "" : ", "), dump_func(forward<Tail>(t)...); } struct Fast { Fast() { cin.tie(0); ios::sync_with_stdio(false); } } fast; mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); constexpr int MOD = 1000000007; // *************** TEMPLATE END *************** template <class T> T pow(T x, int n, const T UNION = 1) { T ret = UNION; while (n) { if (n & 1) ret *= x; x *= x; n >>= 1; } return ret; } template <int MD> struct ModInt { int x; ModInt() : x(0) {} ModInt(int x_) { if ((x = x_ % MD + MD) >= MD) x -= MD; } ModInt& operator+=(ModInt that) { if ((x += that.x) >= MD) x -= MD; return *this; } ModInt& operator*=(ModInt that) { x = (unsigned long long)x * that.x % MD; return *this; } ModInt& operator-=(ModInt that) { if ((x -= that.x) < 0) x += MD; return *this; } ModInt& operator/=(ModInt that) { x = (unsigned long long)x * that.inv().x % MD; return *this; } ModInt operator-() const { return -x < 0 ? MD - x : -x; } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } bool operator==(ModInt that) const { return x == that.x; } bool operator!=(ModInt that) const { return x != that.x; } ModInt inv() const { return pow(*this, MD - 2); } friend ostream& operator<<(ostream& s, ModInt<MD> a) { s << a.x; return s; } friend istream& operator>>(istream& s, ModInt<MD>& a) { s >> a.x; return s; } }; using mint = ModInt<MOD>; vector<mint> fact, fact_inv; void init_factorial(int n) { fact = vector<mint>(n + 1, 1); fact_inv = vector<mint>(n + 1); for (int i = 0; i < n; i++) fact[i + 1] = fact[i] * (i + 1); fact_inv[n] = mint(1) / fact[n]; for (int i = n - 1; i >= 0; i--) fact_inv[i] = fact_inv[i + 1] * (i + 1); // for (int i = 0; i < n + 1; i++) assert(fact[i] * fact_inv[i] == 1); } mint comb(int n, int r) { return fact[n] * fact_inv[r] * fact_inv[n - r]; } signed main() { int n; cin >> n; if (n % 2) { cout << 0 << endl; return 0; } mint a = 1, b = 1; REPI (i, n / 2 + 1, n + 1) { a *= i; } REPI (i, 1, n / 2 + 1) { b *= i; } cout << a / b << endl; }