結果
問題 | No.2522 Fall in love, Girls! |
ユーザー | Kude |
提出日時 | 2023-10-27 23:42:19 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 107 ms / 2,000 ms |
コード長 | 2,967 bytes |
コンパイル時間 | 3,795 ms |
コンパイル使用メモリ | 281,708 KB |
実行使用メモリ | 15,192 KB |
最終ジャッジ日時 | 2024-09-25 15:32:06 |
合計ジャッジ時間 | 5,713 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 | 14 ms
11,336 KB |
testcase_01 | AC | 14 ms
11,204 KB |
testcase_02 | AC | 15 ms
11,336 KB |
testcase_03 | AC | 107 ms
15,160 KB |
testcase_04 | AC | 14 ms
11,212 KB |
testcase_05 | AC | 14 ms
11,204 KB |
testcase_06 | AC | 15 ms
11,208 KB |
testcase_07 | AC | 14 ms
11,332 KB |
testcase_08 | AC | 15 ms
11,332 KB |
testcase_09 | AC | 13 ms
11,204 KB |
testcase_10 | AC | 106 ms
15,192 KB |
testcase_11 | AC | 91 ms
14,972 KB |
testcase_12 | AC | 14 ms
11,332 KB |
testcase_13 | AC | 95 ms
15,148 KB |
testcase_14 | AC | 101 ms
15,088 KB |
testcase_15 | AC | 100 ms
15,188 KB |
testcase_16 | AC | 99 ms
15,136 KB |
testcase_17 | AC | 19 ms
11,364 KB |
testcase_18 | AC | 17 ms
11,464 KB |
testcase_19 | AC | 20 ms
11,364 KB |
testcase_20 | AC | 16 ms
11,208 KB |
testcase_21 | AC | 15 ms
11,204 KB |
testcase_22 | AC | 14 ms
11,336 KB |
testcase_23 | AC | 17 ms
11,464 KB |
testcase_24 | AC | 19 ms
11,240 KB |
testcase_25 | AC | 94 ms
15,136 KB |
testcase_26 | AC | 94 ms
15,132 KB |
testcase_27 | AC | 14 ms
11,336 KB |
testcase_28 | AC | 98 ms
15,140 KB |
testcase_29 | AC | 14 ms
11,208 KB |
testcase_30 | AC | 19 ms
11,240 KB |
testcase_31 | AC | 15 ms
11,336 KB |
testcase_32 | AC | 92 ms
15,092 KB |
testcase_33 | AC | 14 ms
11,332 KB |
コンパイルメッセージ
main.cpp:49:6: warning: '{anonymous}::mint {anonymous}::perm(int, int)' defined but not used [-Wunused-function] 49 | mint perm(int n, int k) { | ^~~~ main.cpp:48:6: warning: '{anonymous}::mint {anonymous}::fact(int)' defined but not used [-Wunused-function] 48 | mint fact(int n) {return Fact[n];} | ^~~~ main.cpp:44:6: warning: '{anonymous}::mint {anonymous}::icomb(int, int)' defined but not used [-Wunused-function] 44 | mint icomb(int n, int k) { | ^~~~~
ソースコード
#include<bits/stdc++.h> namespace { #pragma GCC diagnostic ignored "-Wunused-function" #include<atcoder/all> #pragma GCC diagnostic warning "-Wunused-function" using namespace std; using namespace atcoder; #define rep(i,n) for(int i = 0; i < (int)(n); i++) #define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--) #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; } template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; } using ll = long long; using P = pair<int,int>; using VI = vector<int>; using VVI = vector<VI>; using VL = vector<ll>; using VVL = vector<VL>; using mint = modint998244353; constexpr int FACT_SIZE = 1000000; mint Fact[FACT_SIZE + 1]; mint iFact[FACT_SIZE + 1]; const auto fact_init = [] { Fact[0] = mint::raw(1); for(int i = 1; i <= FACT_SIZE; ++i) { Fact[i] = Fact[i-1] * i; } iFact[FACT_SIZE] = Fact[FACT_SIZE].inv(); for(int i = FACT_SIZE; i; --i) { iFact[i-1] = iFact[i] * i; } return false; }(); mint comb(int n, int k) { if (k == 0) return mint::raw(1); assert(n >= 0 && k >= 0); if (k > n) return mint::raw(0); return Fact[n] * iFact[n - k] * iFact[k]; } mint icomb(int n, int k) { return iFact[n] * Fact[n - k] * Fact[k]; } mint fact(int n) {return Fact[n];} mint perm(int n, int k) { assert(0 <= n); return Fact[n] * iFact[n - k]; } template <class S> struct value_compression : vector<S> { bool built = false; using VS = vector<S>; using VS::VS; value_compression(vector<S> v) : vector<S>(move(v)) {} void build() { sort(this->begin(), this->end()); this->erase(unique(this->begin(), this->end()), this->end()); built = true; } template <class T> void convert(T first, T last) { assert(built); for (; first != last; ++first) *first = (*this)(*first); } int operator()(S x) { assert(built); return lower_bound(this->begin(), this->end(), x) - this->begin(); } void clear() { this->clear(); built = false; } }; } int main() { ios::sync_with_stdio(false); cin.tie(0); int n, m, k; cin >> n >> m >> k; vector<P> xy(k); value_compression<int> vc; for(auto& [x, y] : xy) cin >> x >> y, vc.emplace_back(x), vc.emplace_back(y); vc.build(); for(auto& [x, y] : xy) x = vc(x), y = vc(y); int other_mains = n - m; for (int x : vc) other_mains -= x > m; int sz = vc.size(); VI req(sz); for(auto [x, y] : xy) req[y] |= 1 << x; vector<mint> dp(1 << sz); // cout << other_mains << endl; if (other_mains) dp[0] = other_mains * Fact[n - 1 - sz] * comb(n - 1, sz); rep(i, sz) if (vc[i] > m && !req[i]) dp[1 << i] = Fact[n - sz] * comb(n - 1, sz - 1); rep(s, 1 << sz) { rep(j, sz) if (!(s >> j & 1) && (req[j] & s) == req[j]) { dp[s | 1 << j] += dp[s]; } } cout << dp.back().val() << '\n'; }