結果
問題 | No.2565 はじめてのおつかい |
ユーザー | ei1333333 |
提出日時 | 2023-12-02 15:33:19 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,781 bytes |
コンパイル時間 | 4,780 ms |
コンパイル使用メモリ | 270,672 KB |
実行使用メモリ | 20,860 KB |
最終ジャッジ日時 | 2024-09-26 18:53:49 |
合計ジャッジ時間 | 7,707 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 74 ms
20,768 KB |
testcase_04 | AC | 50 ms
20,860 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 42 ms
17,060 KB |
testcase_17 | AC | 9 ms
5,760 KB |
testcase_18 | AC | 13 ms
8,192 KB |
testcase_19 | AC | 51 ms
14,336 KB |
testcase_20 | AC | 40 ms
13,284 KB |
testcase_21 | AC | 41 ms
13,312 KB |
testcase_22 | AC | 22 ms
9,600 KB |
testcase_23 | WA | - |
testcase_24 | AC | 5 ms
5,376 KB |
testcase_25 | AC | 41 ms
13,312 KB |
testcase_26 | AC | 26 ms
9,472 KB |
testcase_27 | AC | 44 ms
13,824 KB |
testcase_28 | AC | 44 ms
14,140 KB |
testcase_29 | WA | - |
testcase_30 | AC | 43 ms
14,996 KB |
testcase_31 | WA | - |
testcase_32 | AC | 23 ms
9,344 KB |
testcase_33 | AC | 40 ms
14,336 KB |
testcase_34 | WA | - |
testcase_35 | AC | 44 ms
16,000 KB |
testcase_36 | AC | 47 ms
14,208 KB |
testcase_37 | AC | 26 ms
9,600 KB |
testcase_38 | AC | 41 ms
13,056 KB |
testcase_39 | AC | 36 ms
11,264 KB |
testcase_40 | AC | 50 ms
16,384 KB |
testcase_41 | AC | 54 ms
17,148 KB |
testcase_42 | WA | - |
testcase_43 | AC | 39 ms
12,288 KB |
testcase_44 | WA | - |
testcase_45 | AC | 10 ms
6,144 KB |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | AC | 2 ms
5,376 KB |
testcase_52 | WA | - |
ソースコード
#include<bits/stdc++.h> #include<atcoder/all> using namespace std; using int64 = long long; constexpr int mod = 998244353; constexpr int64 infll = (1LL << 62) - 1; constexpr int inf = (1 << 30) - 1; struct IoSetup { IoSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); cerr << fixed << setprecision(10); } } iosetup; template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << p.first << " " << p.second; return os; } template<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template<typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (int i = 0; i < (int) v.size(); i++) { os << v[i] << (i + 1 != v.size() ? " " : ""); } return os; } template<typename T> istream &operator>>(istream &is, vector<T> &v) { for (T &in : v) is >> in; return is; } template<typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template<typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } template<typename T = int64> vector<T> make_v(size_t a) { return vector<T>(a); } template<typename T, typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...)); } template<typename T, typename V> typename enable_if<is_class<T>::value == 0>::type fill_v(T &t, const V &v) { t = v; } template<typename T, typename V> typename enable_if<is_class<T>::value != 0>::type fill_v(T &t, const V &v) { for (auto &e : t) fill_v(e, v); } template<typename F> struct FixPoint : F { explicit FixPoint(F &&f) : F(forward<F>(f)) {} template<typename... Args> decltype(auto) operator()(Args &&... args) const { return F::operator()(*this, forward<Args>(args)...); } }; template<typename F> inline decltype(auto) MFP(F &&f) { return FixPoint<F>{forward<F>(f)}; } #line 2 "graph/shortest-path/bfs.hpp" #line 2 "graph/graph-template.hpp" /** * @brief Graph Template(グラフテンプレート) */ template< typename T = int > struct Edge { int from, to; T cost; int idx; Edge() = default; Edge(int from, int to, T cost = 1, int idx = -1) : from(from), to(to), cost(cost), idx(idx) {} operator int() const { return to; } }; template< typename T = int > struct Graph { vector< vector< Edge< T > > > g; int es; Graph() = default; explicit Graph(int n) : g(n), es(0) {} size_t size() const { return g.size(); } void add_directed_edge(int from, int to, T cost = 1) { g[from].emplace_back(from, to, cost, es++); } void add_edge(int from, int to, T cost = 1) { g[from].emplace_back(from, to, cost, es); g[to].emplace_back(to, from, cost, es++); } void read(int M, int padding = -1, bool weighted = false, bool directed = false) { for(int i = 0; i < M; i++) { int a, b; cin >> a >> b; a += padding; b += padding; T c = T(1); if(weighted) cin >> c; if(directed) add_directed_edge(a, b, c); else add_edge(a, b, c); } } inline vector< Edge< T > > &operator[](const int &k) { return g[k]; } inline const vector< Edge< T > > &operator[](const int &k) const { return g[k]; } }; template< typename T = int > using Edges = vector< Edge< T > >; #line 4 "graph/shortest-path/bfs.hpp" /** * @brief BFS(幅優先探索) */ template< typename T > vector< T > bfs(const Graph< T > &g, int s) { T max_cost = 0, beet = 0; for(auto &es : g.g) { for(auto &e : es) max_cost = max(max_cost, e.cost); } ++max_cost; const auto INF = numeric_limits< T >::max(); vector< T > dist(g.size(), INF); vector< queue< int > > ques(max_cost + 1); dist[s] = 0; ques[0].emplace(s); for(T cost = 0; cost <= beet; cost++) { auto &que = ques[cost % max_cost]; while(!que.empty()) { int idx = que.front(); que.pop(); if(dist[idx] < cost) continue; for(auto &e : g[idx]) { auto next_cost = cost + e.cost; if(dist[e.to] <= next_cost) continue;; dist[e.to] = next_cost; beet = max(beet, dist[e.to]); ques[dist[e.to] % max_cost].emplace(e.to); } } } return dist; } int main() { int N, M; cin >> N >> M; Graph<> g(N + N + N); for(int i = 0; i < M; i++) { int u, v; cin >> u >> v; --u, --v; g.add_directed_edge(u, v); g.add_directed_edge(u + N, v + N); g.add_directed_edge(u + N + N, v + N + N); } g.add_directed_edge(N - 1, N - 1 + N, 0); g.add_directed_edge(N - 2, N - 2 + N + N, 0); auto s = bfs(g, 0); auto ret = min(s[N], s[N + N]); if(ret >= inf) cout << -1 << endl; else cout << ret << endl; }