結果
問題 | No.2733 Just K-times TSP |
ユーザー | Today03 |
提出日時 | 2024-04-19 22:53:24 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,283 bytes |
コンパイル時間 | 2,526 ms |
コンパイル使用メモリ | 216,916 KB |
実行使用メモリ | 127,008 KB |
最終ジャッジ日時 | 2024-10-11 16:48:52 |
合計ジャッジ時間 | 9,394 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 2 ms
10,496 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 3 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 4 ms
5,248 KB |
testcase_15 | AC | 25 ms
5,632 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 125 ms
14,080 KB |
testcase_18 | AC | 249 ms
20,864 KB |
testcase_19 | AC | 519 ms
30,976 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 28 ms
6,656 KB |
testcase_22 | AC | 1,536 ms
111,360 KB |
testcase_23 | AC | 126 ms
12,672 KB |
testcase_24 | TLE | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; const int INF = 1e9 + 10; const ll INFL = 4e18; template <ll MOD> struct modint { ll value; modint(ll x = 0) { if (x >= 0) { value = x % MOD; } else { value = MOD - (-x) % MOD; } } modint operator-() const { return modint(-value); } modint operator+() const { return modint(*this); } modint &operator+=(const modint &other) { value += other.value; if (value >= MOD) { value -= MOD; } return *this; } modint &operator-=(const modint &other) { value += MOD - other.value; if (value >= MOD) { value -= MOD; } return *this; } modint &operator*=(const modint other) { value = value * other.value % MOD; return *this; } modint &operator/=(modint other) { (*this) *= other.inv(); return *this; } modint operator+(const modint &other) const { return modint(*this) += other; } modint operator-(const modint &other) const { return modint(*this) -= other; } modint operator*(const modint &other) const { return modint(*this) *= other; } modint operator/(const modint &other) const { return modint(*this) /= other; } modint pow(ll x) const { modint ret(1), mul(value); while (x) { if (x & 1) { ret *= mul; } mul *= mul; x >>= 1; } return ret; } modint inv() const { return pow(MOD - 2); } bool operator==(const modint &other) const { return value == other.value; } bool operator!=(const modint &other) const { return value != other.value; } friend ostream &operator<<(ostream &os, const modint &x) { return os << x.value; } friend istream &operator>>(istream &is, modint &x) { ll v; is >> v; x = modint<MOD>(v); return is; } }; using mod998 = modint<998244353>; using mod107 = modint<1000000007>; using mint = mod998; int main() { int N, M, K; cin >> N >> M >> K; vector<vector<int>> G(N); for (int i = 0; i < M; i++) { int u, v; cin >> u >> v; u--; v--; G[u].push_back(v); G[v].push_back(u); } map<pair<int, vector<int>>, mint> dp; auto F = [&](auto &&F, int now, vector<int> &v) -> mint { if (dp.count({now, v})) { return dp[{now, v}]; } bool ok = true; for (int i = 0; i < N; i++) { if (v[i] != K) { ok = false; break; } } if (ok) { return dp[{now, v}] = 1; } mint ret = 0; for (int nxt : G[now]) { if (v[nxt] == K) { continue; } v[nxt]++; ret += F(F, nxt, v); v[nxt]--; } return dp[{now, v}] = ret; }; vector<int> v(N, 0); mint ans = 0; for (int i = 0; i < N; i++) { v[i]++; ans += F(F, i, v); v[i]--; } cout << ans << endl; }