結果
問題 | No.1364 [Renaming] Road to Cherry from Zelkova |
ユーザー | lorent_kyopro |
提出日時 | 2021-01-23 00:45:54 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,411 bytes |
コンパイル時間 | 2,421 ms |
コンパイル使用メモリ | 228,332 KB |
実行使用メモリ | 25,888 KB |
最終ジャッジ日時 | 2024-06-09 05:56:30 |
合計ジャッジ時間 | 7,846 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 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | AC | 1 ms
5,376 KB |
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 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 29 ms
9,216 KB |
testcase_24 | AC | 25 ms
8,320 KB |
testcase_25 | AC | 82 ms
17,920 KB |
testcase_26 | AC | 133 ms
25,856 KB |
testcase_27 | AC | 86 ms
20,992 KB |
testcase_28 | AC | 57 ms
14,080 KB |
testcase_29 | AC | 83 ms
20,224 KB |
testcase_30 | AC | 61 ms
14,336 KB |
testcase_31 | AC | 40 ms
11,136 KB |
testcase_32 | AC | 63 ms
18,176 KB |
testcase_33 | AC | 122 ms
24,320 KB |
testcase_34 | AC | 119 ms
22,784 KB |
testcase_35 | AC | 94 ms
18,048 KB |
testcase_36 | AC | 90 ms
17,280 KB |
testcase_37 | AC | 57 ms
15,488 KB |
testcase_38 | AC | 76 ms
19,456 KB |
testcase_39 | AC | 75 ms
19,456 KB |
testcase_40 | AC | 77 ms
19,584 KB |
testcase_41 | AC | 75 ms
19,584 KB |
testcase_42 | AC | 75 ms
19,712 KB |
testcase_43 | AC | 55 ms
24,272 KB |
testcase_44 | WA | - |
testcase_45 | AC | 53 ms
22,908 KB |
testcase_46 | AC | 5 ms
7,936 KB |
testcase_47 | WA | - |
ソースコード
// #pragma GCC target("avx2") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> #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(v) v.begin(), v.end() #define pb push_back #define eb emplace_back #define fi first #define se second using namespace std; using ll = long long; using ld = long double; const array<string, 2> YESNO = {"NO", "YES"}; const array<string, 2> YesNo = {"No", "Yes"}; const array<string, 2> yesno = {"no", "yes"}; void YES(bool b = true) { cout << YESNO[b] << '\n'; } void Yes(bool b = true) { cout << YesNo[b] << '\n'; } void yes(bool b = true) { cout << yesno[b] << '\n'; } template<typename T, typename U> inline bool chmax(T& a, const U& b) { if (a < b){ a = b; return true; } return false; } template<typename T, typename U> inline bool chmin(T& a, const U& b) { if (a > b) { a = b; return true; } return false; } template<typename T> void UNIQUE(vector<T>& v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end())); } template<typename T> int lb(const vector<T> v, T x) { return distance(v.begin(), lower_bound(v.begin(), v.end(), x)); } template<typename T> int ub(const vector<T> v, T x) { return distance(v.begin(), upper_bound(v.begin(), v.end(), x)); } /** * @brief 多次元 vector の作成 * @author えびちゃん */ namespace detail { template<typename T, int N> auto make_vec(vector<int>& sizes, T const& x) { if constexpr (N == 1) { return vector(sizes[0], x); } else { int size = sizes[N-1]; sizes.pop_back(); return vector(size, make_vec<T, N-1>(sizes, x)); } } } template<typename T, int N> auto make_vec(int const(&sizes)[N], T const& x = T()) { vector<int> s(N); for (int i = 0; i < N; ++i) s[i] = sizes[N-i-1]; return detail::make_vec<T, N>(s, x); } template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) { for (auto it = v.begin(); it != v.end(); ++it) { if (it == v.begin()) os << *it; else os << ' ' << *it; } return os; } template<typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p) { os << p.first << ' ' << p.second; return os; } __attribute__((constructor)) void fast_io() { ios::sync_with_stdio(false); cin.tie(nullptr); } #include <atcoder/modint> using namespace atcoder; using mint = modint1000000007; // using mint = modint998244353; int main() { int n, m; cin >> n >> m; auto g = make_vec<tuple<ll, ll, ll>>({n+1, 0}); auto rg = make_vec<tuple<ll, ll, ll>>({n+1, 0}); rep(i, m) { ll u, v, l, a; cin >> u >> v >> l >> a; g[u].eb(v, l, a); rg[v].eb(u, l, a); } vector<bool> ok(n+1), rok(n+1); auto dfs = [&](auto self, int u) -> void { ok[u] = true; for (auto [v, l, a] : g[u]) { if (ok[v]) continue; self(self, v); } }; auto rdfs = [&](auto self, int u) -> void { rok[u] = true; for (auto [v, l, a] : rg[u]) { if (rok[v]) continue; self(self, v); } }; dfs(dfs, 0); rdfs(rdfs, n); if (!(ok[n] && rok[n])) { cout << 0 << '\n'; return 0; } auto ng = make_vec<tuple<ll, ll, ll>>({n+1, 0}); vector<int> in(n+1); rep(i, n+1) { if (ok[i] && rok[i]) { for (auto [v, l, a] : g[i]) { if (ok[v] && rok[v]) { ng[i].eb(v, l, a); in[v]++; } } } } queue<int> q; vector<int> topolo; rep(i, n+1) if (in[i] == 0) q.push(i), topolo.pb(i); while (!q.empty()) { int u = q.front(); q.pop(); for (auto [v, l, a] : g[u]) { in[v]--; if (in[v] == 0) { q.push(v); topolo.pb(v); } } } rep(i, n+1) if (in[i] != 0) { cout << "INF\n"; return 0; } vector<pair<mint, mint>> dp(n+1); dp[0].fi = 1; for (auto u : topolo) { for (auto [v, l, a] : g[u]) { dp[v].fi += dp[u].fi * a; dp[v].se += (dp[u].se + dp[u].fi * l) * a; } } cout << dp[n].se.val() << '\n'; }