結果
問題 | No.2733 Just K-times TSP |
ユーザー | だれ |
提出日時 | 2024-04-19 23:03:25 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 274 ms / 2,000 ms |
コード長 | 6,302 bytes |
コンパイル時間 | 4,040 ms |
コンパイル使用メモリ | 230,996 KB |
実行使用メモリ | 19,072 KB |
最終ジャッジ日時 | 2024-10-11 17:11:13 |
合計ジャッジ時間 | 6,242 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 12 ms
16,000 KB |
testcase_01 | AC | 12 ms
16,256 KB |
testcase_02 | AC | 11 ms
16,000 KB |
testcase_03 | AC | 12 ms
15,872 KB |
testcase_04 | AC | 11 ms
15,872 KB |
testcase_05 | AC | 11 ms
16,000 KB |
testcase_06 | AC | 11 ms
16,000 KB |
testcase_07 | AC | 12 ms
15,872 KB |
testcase_08 | AC | 11 ms
15,872 KB |
testcase_09 | AC | 14 ms
17,664 KB |
testcase_10 | AC | 11 ms
15,872 KB |
testcase_11 | AC | 12 ms
16,000 KB |
testcase_12 | AC | 12 ms
16,384 KB |
testcase_13 | AC | 12 ms
16,128 KB |
testcase_14 | AC | 14 ms
18,432 KB |
testcase_15 | AC | 16 ms
19,072 KB |
testcase_16 | AC | 12 ms
16,256 KB |
testcase_17 | AC | 21 ms
18,688 KB |
testcase_18 | AC | 26 ms
19,072 KB |
testcase_19 | AC | 36 ms
19,072 KB |
testcase_20 | AC | 12 ms
16,384 KB |
testcase_21 | AC | 14 ms
16,896 KB |
testcase_22 | AC | 66 ms
18,176 KB |
testcase_23 | AC | 18 ms
16,896 KB |
testcase_24 | AC | 97 ms
18,176 KB |
testcase_25 | AC | 91 ms
18,176 KB |
testcase_26 | AC | 11 ms
15,872 KB |
testcase_27 | AC | 12 ms
15,872 KB |
testcase_28 | AC | 13 ms
16,128 KB |
testcase_29 | AC | 18 ms
16,512 KB |
testcase_30 | AC | 33 ms
16,896 KB |
testcase_31 | AC | 67 ms
17,536 KB |
testcase_32 | AC | 139 ms
18,304 KB |
testcase_33 | AC | 274 ms
18,944 KB |
ソースコード
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <cstdio> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <sstream> #include <stack> #include <unordered_set> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> #endif #define GET_MACRO(_1, _2, _3, NAME, ...) NAME #define _rep(i, n) _rep2(i, 0, n) #define _rep2(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define rep(...) GET_MACRO(__VA_ARGS__, _rep2, _rep)(__VA_ARGS__) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define UNIQUE(x) \ std::sort((x).begin(), (x).end()); \ (x).erase(std::unique((x).begin(), (x).end()), (x).end()) using i64 = long long; template <class T, class U> bool chmin(T& a, const U& b) { return (b < a) ? (a = b, true) : false; } template <class T, class U> bool chmax(T& a, const U& b) { return (b > a) ? (a = b, true) : false; } template <class T = std::string, class U = std::string> inline void YesNo(bool f = 0, const T yes = "Yes", const U no = "No") { if (f) std::cout << yes << "\n"; else std::cout << no << "\n"; } namespace io { template <class T, class U> istream& operator>>(istream& i, pair<T, U>& p) { i >> p.first >> p.second; return i; } template <typename T> istream& operator>>(istream& i, vector<T>& v) { rep(j, v.size()) i >> v[j]; return i; } template <typename T> string join(vector<T>& v) { stringstream s; rep(i, v.size()) s << ' ' << v[i]; return s.str().substr(1); } template <typename T> ostream& operator<<(ostream& o, vector<T>& v) { if (v.size()) o << join(v); return o; } template <typename T> string join(vector<vector<T>>& vv) { string s = "\n"; rep(i, vv.size()) s += join(vv[i]) + "\n"; return s; } template <typename T> ostream& operator<<(ostream& o, vector<vector<T>>& vv) { if (vv.size()) o << join(vv); return o; } template <class T, class U> ostream& operator<<(ostream& o, pair<T, U>& p) { o << p.first << " " << p.second; return o; } void OUT() { std::cout << "\n"; } template <class Head, class... Tail> void OUT(Head&& head, Tail&&... tail) { std::cout << head; if (sizeof...(tail)) std::cout << ' '; OUT(std::forward<Tail>(tail)...); } void OUTL() { std::cout << std::endl; } template <class Head, class... Tail> void OUTL(Head&& head, Tail&&... tail) { std::cout << head; if (sizeof...(tail)) std::cout << ' '; OUTL(std::forward<Tail>(tail)...); } void IN() {} template <class Head, class... Tail> void IN(Head&& head, Tail&&... tail) { cin >> head; IN(std::forward<Tail>(tail)...); } } // namespace io using namespace io; namespace useful { long long modpow(long long a, long long b, long long mod) { long long res = 1; while (b) { if (b & 1) res *= a, res %= mod; a *= a; a %= mod; b >>= 1; } return res; } bool is_pow2(long long x) { return x > 0 && (x & (x - 1)) == 0; } template <class T> void rearrange(vector<T>& a, vector<int>& p) { vector<T> b = a; for (int i = 0; i < int(a.size()); i++) { a[i] = b[p[i]]; } return; } template <class T> vector<pair<T, int>> rle_sequence(vector<T>& a) { vector<pair<T, int>> res; int n = a.size(); int l = 1; rep(i, n - 1) { if (a[i] == a[i + 1]) l++; else { res.emplace_back(a[i], l); l = 1; } } res.emplace_back(a.back(), l); return res; } vector<pair<char, int>> rle_string(string a) { vector<pair<char, int>> res; int n = a.size(); if (n == 1) return vector<pair<char, int>>{{a[0], 1}}; int l = 1; rep(i, n - 1) { if (a[i] == a[i + 1]) l++; else { res.emplace_back(a[i], l); l = 1; } } res.emplace_back(a.back(), l); return res; } vector<int> linear_sieve(int n) { vector<int> primes; vector<int> res(n + 1); iota(all(res), 0); for (int i = 2; i <= n; i++) { if (res[i] == i) primes.emplace_back(i); for (auto j : primes) { if (j * i > n) break; res[j * i] = j; } } return res; // return primes; } template <class T> vector<long long> dijkstra(vector<vector<pair<int, T>>>& graph, int start) { int n = graph.size(); vector<long long> res(n, 2e18); res[start] = 0; priority_queue<pair<long long, int>, vector<pair<long long, int>>, greater<pair<long long, int>>> que; que.push({0, start}); while (!que.empty()) { auto [c, v] = que.top(); que.pop(); if (res[v] < c) continue; for (auto [nxt, cost] : graph[v]) { auto x = c + cost; if (x < res[nxt]) { res[nxt] = x; que.push({x, nxt}); } } } return res; } } // namespace useful using namespace useful; using mint = atcoder::modint998244353; bool visited[9][9][9][9][9][9][6]; mint memo[9][9][9][9][9][9][6]; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); i64 n, m, k; IN(n, m, k); vector mat(n, vector<int>(n)); rep(i, m) { int a, b; IN(a, b); a--, b--; mat[a][b] = mat[b][a] = 1; } vector<int> target(6); rep(i, n) target[i] = k; auto rec = [&](auto&& self, vector<int>& v, int now) -> mint { if (v == target) return 1; if (visited[v[0]][v[1]][v[2]][v[3]][v[4]][v[5]][now]) { return memo[v[0]][v[1]][v[2]][v[3]][v[4]][v[5]][now]; } visited[v[0]][v[1]][v[2]][v[3]][v[4]][v[5]][now] = 1; mint res = 0; rep(i, n) { if (mat[now][i] && v[i] < k) { v[i]++; res += self(self, v, i); v[i]--; } } return memo[v[0]][v[1]][v[2]][v[3]][v[4]][v[5]][now] = res; }; vector<int> tmp(6); mint ans = 0; rep(i, n) { tmp[i] = 1; ans += rec(rec, tmp, i); tmp[i] = 0; } OUT(ans.val()); }