結果
問題 | No.1507 Road Blocked |
ユーザー | uzzy |
提出日時 | 2021-05-14 22:38:18 |
言語 | C++14 (gcc 13.2.0 + boost 1.83.0) |
結果 |
CE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 1,292 bytes |
コンパイル時間 | 2,407 ms |
コンパイル使用メモリ | 174,324 KB |
最終ジャッジ日時 | 2024-04-10 01:21:49 |
合計ジャッジ時間 | 3,238 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/string:43, from /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/bitset:52, from /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/x86_64-pc-linux-gnu/bits/stdc++.h:52, from main.cpp:3: /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/bits/allocator.h: In destructor 'std::_Vector_base<int, std::allocator<int> >::_Vector_impl::~_Vector_impl()': /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/bits/allocator.h:184:7: error: inlining failed in call to 'always_inline' 'std::allocator< <template-parameter-1-1> >::~allocator() noexcept [with _Tp = int]': target specific option mismatch 184 | ~allocator() _GLIBCXX_NOTHROW { } | ^ In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/vector:66, from /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/queue:63, from /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/x86_64-pc-linux-gnu/bits/stdc++.h:157: /home/linuxbrew/.linuxbrew/Cellar/gcc/13.2.0/include/c++/13/bits/stl_vector.h:133:14: note: called from here 133 | struct _Vector_impl | ^~~~~~~~~~~~
ソースコード
#pragma GCC optimize ("O2") #pragma GCC target ("avx") #include<bits/stdc++.h> //#include<atcoder/all> //using namespace atcoder; using namespace std; typedef long long ll; #define rep(i, n) for(int i = 0; i < (n); i++) #define rep1(i, n) for(int i = 1; i <= (n); i++) #define co(x) cout << (x) << "\n" #define cosp(x) cout << (x) << " " #define ce(x) cerr << (x) << "\n" #define cesp(x) cerr << (x) << " " #define pb push_back #define mp make_pair #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define Would #define you #define please const int mod = 998244353; constexpr ll modpow(ll A, ll B) { ll kotae = 1; while (B > 0) { if (B & 1) kotae = kotae * A % mod; A = A * A % mod; B >>= 1; } return kotae; } int N; vector<int> E[100100]; ll kotae; int dfs(int u, int mae) { int ret = 1; for (int v : E[u]) if (v != mae) { ll tmp = dfs(v, u); kotae += tmp * (N - tmp) * 2; ret += tmp; } return ret; } int main() { cin.tie(0); ios::sync_with_stdio(false); cin >> N; rep(i, N - 1) { int u, v; cin >> u >> v; E[u].pb(v); E[v].pb(u); } dfs(1, -1); kotae = (ll(N - 1) * (N - 1) * N - kotae) % mod; co(kotae% mod* modpow(N, mod - 2) % mod* modpow(N - 1, mod - 2) % mod* modpow(N - 1, mod - 2) % mod); Would you please return 0; }