結果
問題 | No.1482 Swap Many Permutations |
ユーザー | noimi |
提出日時 | 2021-04-16 23:03:52 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 112 ms / 2,000 ms |
コード長 | 23,293 bytes |
コンパイル時間 | 3,787 ms |
コンパイル使用メモリ | 247,228 KB |
実行使用メモリ | 18,248 KB |
最終ジャッジ日時 | 2024-07-03 03:38:45 |
合計ジャッジ時間 | 9,367 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 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 | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 52 ms
10,104 KB |
testcase_13 | AC | 51 ms
10,304 KB |
testcase_14 | AC | 111 ms
17,324 KB |
testcase_15 | AC | 102 ms
16,596 KB |
testcase_16 | AC | 25 ms
6,596 KB |
testcase_17 | AC | 100 ms
16,436 KB |
testcase_18 | AC | 26 ms
6,812 KB |
testcase_19 | AC | 51 ms
10,004 KB |
testcase_20 | AC | 104 ms
16,552 KB |
testcase_21 | AC | 108 ms
17,064 KB |
testcase_22 | AC | 110 ms
17,748 KB |
testcase_23 | AC | 112 ms
17,608 KB |
testcase_24 | AC | 112 ms
17,500 KB |
testcase_25 | AC | 111 ms
17,632 KB |
testcase_26 | AC | 111 ms
17,620 KB |
testcase_27 | AC | 111 ms
17,752 KB |
testcase_28 | AC | 112 ms
17,628 KB |
testcase_29 | AC | 111 ms
17,616 KB |
testcase_30 | AC | 112 ms
17,500 KB |
testcase_31 | AC | 111 ms
17,628 KB |
testcase_32 | AC | 112 ms
17,500 KB |
testcase_33 | AC | 111 ms
17,624 KB |
testcase_34 | AC | 112 ms
17,628 KB |
testcase_35 | AC | 112 ms
17,632 KB |
testcase_36 | AC | 110 ms
17,628 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 3 ms
5,376 KB |
testcase_39 | AC | 2 ms
5,376 KB |
testcase_40 | AC | 2 ms
5,376 KB |
testcase_41 | AC | 2 ms
5,376 KB |
testcase_42 | AC | 48 ms
11,868 KB |
testcase_43 | AC | 47 ms
12,036 KB |
testcase_44 | AC | 47 ms
11,828 KB |
testcase_45 | AC | 49 ms
12,400 KB |
testcase_46 | AC | 91 ms
18,248 KB |
ソースコード
#pragma region Macros // #pragma GCC target("avx2") #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> #define ll long long #define ld long double #define rep2(i, a, b) for(ll i = a; i <= b; ++i) #define rep(i, n) for(ll i = 0; i < n; ++i) #define rep3(i, a, b) for(ll i = a; i >= b; --i) #define pii pair<int, int> #define pll pair<ll, ll> #define pb push_back #define eb emplace_back #define vi vector<int> #define vll vector<ll> #define vpi vector<pii> #define vpll vector<pll> #define overload2(_1, _2, name, ...) name #define vec(type, name, ...) vector<type> name(__VA_ARGS__) #define VEC(type, name, size) \ vector<type> name(size); \ IN(name) #define vv(type, name, h, ...) vector<vector<type>> name(h, vector<type>(__VA_ARGS__)) #define VV(type, name, h, w) \ vector<vector<type>> name(h, vector<type>(w)); \ IN(name) #define vvv(type, name, h, w, ...) vector<vector<vector<type>>> name(h, vector<vector<type>>(w, vector<type>(__VA_ARGS__))) #define vvvv(type, name, a, b, c, ...) \ vector<vector<vector<vector<type>>>> name(a, vector<vector<vector<type>>>(b, vector<vector<type>>(c, vector<type>(__VA_ARGS__)))) #define mt make_tuple #define fi first #define se second #define all(c) begin(c), end(c) #define SUM(v) accumulate(all(v), 0LL) #define MIN(v) *min_element(all(v)) #define MAX(v) *max_element(all(v)) #define lb(c, x) distance((c).begin(), lower_bound(all(c), (x))) #define ub(c, x) distance((c).begin(), upper_bound(all(c), (x))) using namespace std; constexpr pii dx4[4] = {pii{1, 0}, pii{0, 1}, pii{-1, 0}, pii{0, -1}}; constexpr pii dx8[8] = {{1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0}, {-1, -1}, {0, -1}, {1, -1}}; const string YESNO[2] = {"NO", "YES"}; const string YesNo[2] = {"No", "Yes"}; const string yesno[2] = {"no", "yes"}; void YES(bool t = 1) { cout << YESNO[t] << endl; } void NO(bool t = 1) { YES(!t); } void Yes(bool t = 1) { cout << YesNo[t] << endl; } void No(bool t = 1) { Yes(!t); } void yes(bool t = 1) { cout << yesno[t] << endl; } void no(bool t = 1) { yes(!t); } template <class T> using vc = vector<T>; template <class T> using vvc = vector<vc<T>>; template <class T> using vvvc = vector<vvc<T>>; template <class T> using vvvvc = vector<vvvc<T>>; template <class T> using pq = priority_queue<T>; template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>; #define si(c) (int)(c).size() #define INT(...) \ int __VA_ARGS__; \ IN(__VA_ARGS__) #define LL(...) \ ll __VA_ARGS__; \ IN(__VA_ARGS__) #define STR(...) \ string __VA_ARGS__; \ IN(__VA_ARGS__) #define CHR(...) \ char __VA_ARGS__; \ IN(__VA_ARGS__) #define DBL(...) \ double __VA_ARGS__; \ IN(__VA_ARGS__) int scan() { return getchar(); } 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(string &a) { cin >> a; } template <class T, class S> void scan(pair<T, S> &p) { scan(p.first), scan(p.second); } template <class T> void scan(vector<T> &); template <class T> void scan(vector<T> &a) { for(auto &i : a) scan(i); } template <class T> void scan(T &a) { cin >> a; } void IN() {} template <class Head, class... Tail> void IN(Head &head, Tail &...tail) { scan(head); IN(tail...); } template <class T, class S> inline bool chmax(T &a, const S &b) { return (a < b ? a = b, 1 : 0); } template <class T, class S> inline bool chmin(T &a, const S &b) { return (a > b ? a = b, 1 : 0); } vi iota(int n) { vi a(n); iota(all(a), 0); return a; } template <typename T> vi iota(vector<T> &a, bool greater = false) { vi res(a.size()); iota(all(res), 0); sort(all(res), [&](int i, int j) { if(greater) return a[i] > a[j]; return a[i] < a[j]; }); return res; } #define UNIQUE(x) sort(all(x)), x.erase(unique(all(x)), x.end()) template <class T> T ceil(T x, T y) { assert(y >= 1); return (x > 0 ? (x + y - 1) / y : x / y); } template <class T> T floor(T x, T y) { assert(y >= 1); return (x > 0 ? x / y : (x + y - 1) / y); } template <class T> T POW(T x, int n) { T res = 1; for(; n; n >>= 1, x *= x) if(n & 1) res *= x; return res; } vector<pll> factor(ll x) { vector<pll> ans; for(ll i = 2; i * i <= x; i++) if(x % i == 0) { ans.push_back({i, 1}); while((x /= i) % i == 0) ans.back().second++; } if(x != 1) ans.push_back({x, 1}); return ans; } template <class T> vector<T> divisor(T x) { vector<T> ans; for(T i = 1; i * i <= x; i++) if(x % i == 0) { ans.pb(i); if(i * i != x) ans.pb(x / i); } return ans; } template <typename T> void zip(vector<T> &x) { vector<T> y = x; sort(all(y)); for(int i = 0; i < x.size(); ++i) { x[i] = lb(y, x[i]); } } // bit 演算系 ll pow2(int i) { return 1LL << i; } int topbit(signed t) { return t == 0 ? -1 : 31 - __builtin_clz(t); } int topbit(ll t) { return t == 0 ? -1 : 63 - __builtin_clzll(t); } int lowbit(signed a) { return a == 0 ? 32 : __builtin_ctz(a); } int lowbit(ll a) { return a == 0 ? 64 : __builtin_ctzll(a); } // int allbit(int n) { return (1 << n) - 1; } ll allbit(ll n) { return (1LL << n) - 1; } int popcount(signed t) { return __builtin_popcount(t); } int popcount(ll t) { return __builtin_popcountll(t); } bool ispow2(int i) { return i && (i & -i) == i; } int in() { int x; cin >> x; return x; } ll lin() { unsigned long long x; cin >> x; return x; } template <class T> pair<T, T> operator-(const pair<T, T> &x, const pair<T, T> &y) { return pair<T, T>(x.fi - y.fi, x.se - y.se); } template <class T> pair<T, T> operator+(const pair<T, T> &x, const pair<T, T> &y) { return pair<T, T>(x.fi + y.fi, x.se + y.se); } // template <class T> pair<T, T> &operator+=(pair<T, T> x, const pair<T, T> &y) { // x = x + y; // return &x; // } // template <class T> pair<T, T> &operator-=(pair<T, T> x, const pair<T, T> &y) { // x = x - y; // return &x; // } template <class T> ll operator*(const pair<T, T> &x, const pair<T, T> &y) { return (ll)x.fi * y.fi + (ll)x.se * y.se; } template <typename T> struct edge { int from, to; T cost; int id; edge(int to, T cost) : from(-1), to(to), cost(cost) {} edge(int from, int to, T cost) : from(from), to(to), cost(cost) {} edge(int from, int to, T cost, int id) : from(from), to(to), cost(cost), id(id) {} edge &operator=(const int &x) { to = x; return *this; } operator int() const { return to; } }; template <typename T> using Edges = vector<edge<T>>; using Tree = vector<vector<int>>; using Graph = vector<vector<int>>; template <class T> using Wgraph = vector<vector<edge<T>>>; Graph getG(int n, int m = -1, bool directed = false, int margin = 1) { Tree res(n); if(m == -1) m = n - 1; while(m--) { int a, b; cin >> a >> b; a -= margin, b -= margin; res[a].emplace_back(b); if(!directed) res[b].emplace_back(a); } return move(res); } template <class T> Wgraph<T> getWg(int n, int m = -1, bool directed = false, int margin = 1) { Wgraph<T> res(n); if(m == -1) m = n - 1; while(m--) { int a, b; T c; cin >> a >> b >> c; a -= margin, b -= margin; res[a].emplace_back(b, c); if(!directed) res[b].emplace_back(a, c); } return move(res); } #define i128 __int128_t #define ull unsigned long long int #define TEST \ INT(testcases); \ while(testcases--) template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { for(auto it = begin(v); it != end(v); ++it) { if(it == begin(v)) os << *it; else os << " " << *it; } return os; } template <class T, class S> ostream &operator<<(ostream &os, const pair<T, S> &p) { os << p.first << " " << p.second; return os; } template <class S, class T> string to_string(pair<S, T> p) { return "(" + to_string(p.first) + "," + to_string(p.second) + ")"; } template <class A> string to_string(A v) { if(v.empty()) return "{}"; string ret = "{"; for(auto &x : v) ret += to_string(x) + ","; ret.back() = '}'; return ret; } string to_string(string s) { return "\"" + s + "\""; } void dump() { cerr << endl; } template <class Head, class... Tail> void dump(Head head, Tail... tail) { cerr << to_string(head) << " "; dump(tail...); } #define endl '\n' #ifdef _LOCAL #undef endl #define debug(x) \ cout << #x << ": "; \ dump(x) #else #define debug(x) #endif template <typename T> static constexpr T inf = numeric_limits<T>::max() / 2; struct Setup_io { Setup_io() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout << fixed << setprecision(15); } } setup_io; #define drop(s) cout << #s << endl, exit(0) template <int N> struct ndFORarray { std::array<int, N> v; ndFORarray(std::array<int, N> v_) : v(v_) {} struct ndFORitr { const std::array<int, N> &v; std::array<int, N> tmp; bool is_end; ndFORitr(const std::array<int, N> &v_) : v(v_), tmp(), is_end(false) {} bool operator!=(const ndFORitr &) const { return !is_end; } void operator++() { int pos = N - 1; while(pos != -1) { tmp[pos] += 1; if(tmp[pos] == v[pos]) { tmp[pos] = 0; pos -= 1; } else { break; } } if(pos == -1) { is_end = true; } } const std::array<int, N> &operator*() const { return tmp; } }; ndFORitr begin() const { return ndFORitr(v); } ndFORitr end() const { return ndFORitr(v); } }; struct ndFORvector { std::vector<int> v; ndFORvector(std::vector<int> v_) : v(v_) {} struct ndFORitr { const std::vector<int> &v; std::vector<int> tmp; bool is_end; ndFORitr(const std::vector<int> &v_) : v(v_), tmp(v.size(), 0), is_end(false) {} bool operator!=(const ndFORitr &) const { return !is_end; } void operator++() { int pos = v.size() - 1; while(pos != -1) { tmp[pos] += 1; if(tmp[pos] == v[pos]) { tmp[pos] = 0; pos -= 1; } else { break; } } if(pos == -1) { is_end = true; } } const std::vector<int> &operator*() const { return tmp; } }; ndFORitr begin() const { return ndFORitr(v); } ndFORitr end() const { return ndFORitr(v); } }; auto ndFOR(std::vector<int> v) { return ndFORvector(v); } template <class... Ts> auto ndFOR(Ts... v) { return ndFORarray<std::tuple_size<std::tuple<Ts...>>::value>({v...}); } #pragma endregion namespace modular { constexpr ll MOD = 998244353; const int MAXN = 11000000; template <ll Modulus> class modint; #define mint modint<MOD> #define vmint vector<mint> vector<mint> Inv; mint inv(int x); template <ll Modulus> class modint { public: static constexpr int mod() { return Modulus; } ll a; constexpr modint(const ll x = 0) noexcept : a(((x % Modulus) + Modulus) % Modulus) {} constexpr ll &value() noexcept { return a; } constexpr const ll &value() const noexcept { return a; } constexpr modint operator-() const noexcept { return modint() - *this; } constexpr modint operator+() const noexcept { return *this; } constexpr modint &operator++() noexcept { if(++a == MOD) a = 0; return *this; } constexpr modint &operator--() noexcept { if(!a) a = MOD; a--; return *this; } constexpr modint operator++(int) { modint res = *this; ++*this; return res; } constexpr modint operator--(int) { mint res = *this; --*this; return res; } constexpr modint &operator+=(const modint rhs) noexcept { a += rhs.a; if(a >= Modulus) { a -= Modulus; } return *this; } constexpr modint &operator-=(const modint rhs) noexcept { if(a < rhs.a) { a += Modulus; } a -= rhs.a; return *this; } constexpr modint &operator*=(const modint rhs) noexcept { a = a * rhs.a % Modulus; return *this; } constexpr modint &operator/=(const modint rhs) noexcept { a = a * (modular::inv(rhs.a)).a % Modulus; return *this; } constexpr modint pow(long long n) const noexcept { if(n < 0) { n %= Modulus - 1; n = (Modulus - 1) + n; } modint x = *this, r = 1; while(n) { if(n & 1) r *= x; x *= x; n >>= 1; } return r; } constexpr modint inv() const noexcept { return pow(Modulus - 2); } constexpr friend modint operator+(const modint &lhs, const modint &rhs) { return modint(lhs) += modint(rhs); } constexpr friend modint operator-(const modint &lhs, const modint &rhs) { return modint(lhs) -= modint(rhs); } constexpr friend modint operator*(const modint &lhs, const modint &rhs) { return modint(lhs) *= modint(rhs); } constexpr friend modint operator/(const modint &lhs, const modint &rhs) { return modint(lhs) /= modint(rhs); } constexpr friend bool operator==(const modint &lhs, const modint &rhs) { return lhs.a == rhs.a; } constexpr friend bool operator!=(const modint &lhs, const modint &rhs) { return lhs.a != rhs.a; } // constexpr friend modint operator^=(const modint &lhs, const modint &rhs) { return modint(lhs) ^= modint(rhs); } }; vmint Fact{1, 1}, Ifact{1, 1}; mint inv(int n) { if(n > MAXN) return (mint(n)).pow(MOD - 2); if(Inv.empty()) Inv.emplace_back(0), Inv.emplace_back(1); if(Inv.size() > n) return Inv[n]; else { for(int i = Inv.size(); i <= n; ++i) { auto [y, x] = div(int(MOD), i); Inv.emplace_back(Inv[x] * (-y)); } return Inv[n]; } } mint fact(int n) { if(Fact.size() > n) return Fact[n]; else for(int i = Fact.size(); i <= n; ++i) Fact.emplace_back(Fact[i - 1] * i); return Fact[n]; } mint ifact(int n) { if(Ifact.size() > n) return Ifact[n]; else for(int i = Ifact.size(); i <= n; ++i) Ifact.emplace_back(Ifact[i - 1] * inv(i)); return Ifact[n]; } mint modpow(ll a, ll n) { return mint(a).pow(n); } mint inv(mint a) { return inv(a.a); } mint ifact(mint a) { return ifact(a.a); } mint fact(mint a) { return fact(a.a); } mint modpow(mint a, ll n) { return modpow(a.a, n); } mint C(int a, int b) { if(a < 0 || b < 0) return 0; if(a < b) return 0; if(a > MAXN) { mint res = 1; rep(i, b) res *= a - i, res /= i + 1; return res; } return fact(a) * ifact(b) * ifact(a - b); } mint P(int a, int b) { if(a < 0 || b < 0) return 0; if(a < b) return 0; if(a > MAXN) { mint res = 1; rep(i, b) res *= a - i; return res; } return fact(a) * ifact(a - b); } ostream &operator<<(ostream &os, mint a) { os << a.a; return os; } istream &operator>>(istream &is, mint &a) { ll x; is >> x; a = x; return is; } mint proot = 3; void FMT(vmint &f, const bool is_inv = false) { const int n = f.size(); const mint root = is_inv ? inv(proot) : proot; vmint g(n); for(int b = n >> 1; b > 0; b >>= 1) { mint a = root.pow((MOD - 1) / (n / b)), p = 1; for(int i = 0; i < n; i += b << 1) { rep(j, b) { f[i + j + b] *= p; g[(i >> 1) + j] = f[i + j] + f[i + b + j]; g[(n >> 1) + (i >> 1) + j] = f[i + j] - f[i + b + j]; } p *= a; } swap(f, g); } if(is_inv) rep(i, n) f[i] *= inv(n); } vmint mul(vmint x, const vmint &y) { int n = x.size() + y.size() - 1; int s = 1; while(s < n) s <<= 1; x.resize(s); FMT(x); vmint z(s); rep(i, y.size()) z[i] = y[i]; FMT(z); rep(i, s) x[i] *= z[i]; FMT(x, true); x.resize(n); return x; } using Poly = vmint; Poly operator-(Poly f) { for(auto &&e : f) e = -e; return f; } Poly &operator+=(Poly &l, const Poly &r) { l.resize(max(l.size(), r.size())); rep(i, r.size()) l[i] += r[i]; return l; } Poly operator+(Poly l, const Poly &r) { return l += r; } Poly &operator-=(Poly &l, const Poly &r) { l.resize(max(l.size(), r.size())); rep(i, r.size()) l[i] -= r[i]; return l; } Poly operator-(Poly l, const Poly &r) { return l -= r; } Poly &operator<<=(Poly &f, size_t n) { return f.insert(f.begin(), n, 0), f; } Poly operator<<(Poly f, size_t n) { return f <<= n; } Poly &operator>>=(Poly &f, size_t n) { return f.erase(f.begin(), f.begin() + min(f.size(), n)), f; } Poly operator>>(Poly f, size_t n) { return f >>= n; } Poly operator*(const Poly &l, const Poly &r) { return mul(l, r); } Poly &operator*=(Poly &l, const Poly &r) { return l = l * r; } Poly inv(const Poly &f) { Poly g{1 / f[0]}; while(g.size() < f.size()) { Poly x(f.begin(), f.begin() + min(f.size(), g.size() << 1)), y = g; x.resize(g.size() << 1), FMT(x); y.resize(g.size() << 1), FMT(y); rep(i, x.size()) x[i] *= y[i]; FMT(x, true); x >>= g.size(); x.resize(g.size() << 1), FMT(x); rep(i, x.size()) x[i] *= -y[i]; FMT(x, true); g.insert(g.end(), x.begin(), x.begin() + g.size()); } return Poly{begin(g), begin(g) + f.size()}; } Poly integ(const Poly &f) { Poly res(f.size() + 1); for(int i = 1; i < (int)res.size(); ++i) res[i] = f[i - 1] / i; return res; } Poly deriv(const Poly &f) { if(f.size() == 0) return Poly(); Poly res(f.size() - 1); rep(i, res.size()) res[i] = f[i + 1] * (i + 1); return res; } Poly log(const Poly &f) { Poly g = integ(inv(f) * deriv(f)); return Poly{g.begin(), g.begin() + f.size()}; } Poly exp(const Poly &f) { Poly g{1}; while(g.size() < f.size()) { Poly x(f.begin(), f.begin() + min(f.size(), g.size() * 2)); x[0] += 1; g.resize(2 * g.size()); x -= log(g); x *= {g.begin(), g.begin() + g.size() / 2}; rep2(i, g.size() / 2, min<int>(x.size(), g.size()) - 1) g[i] = x[i]; } return {g.begin(), g.begin() + f.size()}; } } // namespace modular using namespace modular; template <typename T> struct BinaryIndexedTree { vector<T> data; BinaryIndexedTree(int sz) { data.assign(++sz, 0); } T sum(int k) { T ret = 0; for(++k; k > 0; k -= k & -k) ret += data[k]; return (ret); } void add(int k, T x) { for(++k; k < data.size(); k += k & -k) data[k] += x; } }; #define BIT BinaryIndexedTree template <typename T> long long inversion(vector<T> a, bool is_zip = true) { if(!is_zip) { vector<int> id(a.size()); for(int i = 0; i < a.size(); ++i) id[i] = a[i]; sort(id.begin(), id.end()); for(int i = 0; i < a.size(); ++i) a[i] = lower_bound(id.begin(), id.end(), a[i]) - id.begin(); } BIT<int> bit(*max_element(a.begin(), a.end()) + 1); long long res = (long long)a.size() * (a.size() - 1) / 2; for(int i = 0; i < a.size(); ++i) { res -= bit.sum(a[i]); bit.add(a[i], 1); } return res; } int main() { // INT(n); // vi w{0}; // rep2(j, 1, n - 1) { // vi v; // rep(k, n) v.eb(k * j % n); // w.eb(inversion(v) & 1); // } // rep2(k, 1, n - 1) { // if(w[k * k % n] == 1) assert(0); // } LL(n, m); vi v(m); rep2(i, 1, m - 1) v[i * i % m] = 1; int t = 0; pii x, y; rep(i, 2) { INT(b, c); if(i == 0) x = pii(b, c); if(i == 1) y = pii(b, c); t ^= !v[c]; } ll odd = (m * (m - 1)) / 2, even = (m * (m - 1)) / 2; // dump(odd, even); cout << 1 << endl; cout << (x == y ? mint(0) : mint(m) * (m - 1)) << endl; vmint f(n + 1), g(n + 1), h(n + 1); vmint F(n + 1), G(n + 1); F[0] = 1, G[0] = 1; rep2(i, 1, min(odd, n)) F[i] = F[i - 1] * (odd + 1 - i) / i; rep2(i, 1, min(even, n)) G[i] = G[i - 1] * (even + 1 - i) / i; rep2(i, 0, min(odd, n)) { if(i & 1) g[i] = F[i]; else f[i] = F[i]; } f *= G; g *= G; rep2(i, 3, n) { INT(b, c); if(i > m * (m - 1)) { cout << 0 << endl; continue; } t ^= (v[c] ? 0 : 1); cout << fact(i) * (t ? g[i] : f[i]) << endl; } }