結果
| 問題 | No.872 All Tree Path |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-04-05 20:06:07 |
| 言語 | Kuin (KuinC++ v.2021.9.17) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 1,278 bytes |
| 記録 | |
| コンパイル時間 | 2,049 ms |
| コンパイル使用メモリ | 166,076 KB |
| 実行使用メモリ | 77,440 KB |
| 最終ジャッジ日時 | 2026-04-05 17:33:32 |
| 合計ジャッジ時間 | 5,484 ms |
|
ジャッジサーバーID (参考情報) |
judge2_1 / judge3_0 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 6 WA * 12 |
コンパイルメッセージ
out.cpp:676:14: warning: first argument in call to 'memset' is a pointer to non-trivially copyable type 'std::shared_ptr<k_ap>' [-Wnontrivial-memcall]
676 | memset(r->B, 0, sizeof(T) * static_cast<std::size_t>(h + bufLen_<T>()));
| ^
out.cpp:688:9: note: in instantiation of function template specialization 'newArraysRec_<std::shared_ptr<Array_<std::shared_ptr<k_ap>>>>::operator()<long>' requested here
688 | return newArraysRec_<T>()(std::forward<A>(a)...);
| ^
out.cpp:1646:11: note: in instantiation of function template specialization 'newArrays_<std::shared_ptr<Array_<std::shared_ptr<k_ap>>>, long>' requested here
1646 | (k_ao) = (newArrays_<type_(Array_<type_(k_ap)>)>((k_am)));
| ^
out.cpp:676:14: note: explicitly cast the pointer to silence this warning
676 | memset(r->B, 0, sizeof(T) * static_cast<std::size_t>(h + bufLen_<T>()));
| ^
| (void*)
1 warning generated.
ソースコード
func main()
const mod: int :: 1000000007
class Node()
+var parent: Node
+var children: list<Node>
+var num: int
*func ctor()
do me.children :: #list<Node>
end func
+func calcNum()
do me.children.head()
for i(0, ^me.children - 1)
var child: Node :: me.children.get()
if(child.parent =& null)
do child.parent :: me
do child.calcNum()
do me.num :+ child.num
end if
do me.children.next()
end for
do me.num :+ 1
end func
end class
var n: int :: cui@inputInt()
var nodes: []Node :: #[n]Node
for i(0, n - 1)
do nodes[i] :: #Node
end for
var u: []int :: #[n - 1]int
var v: []int :: #[n - 1]int
var w: []int :: #[n - 1]int
for i(0, n - 2)
do u[i] :: cui@inputInt() - 1
do v[i] :: cui@inputInt() - 1
do w[i] :: cui@inputInt()
do nodes[u[i]].children.add(nodes[v[i]])
do nodes[v[i]].children.add(nodes[u[i]])
end for
do nodes[0].parent :: nodes[0]
do nodes[0].calcNum()
var ans: int :: 0
for i(0, n - 2)
var num1: int
if(nodes[u[i]].parent =& nodes[v[i]])
do num1 :: nodes[u[i]].num
else
do num1 :: nodes[v[i]].num
end if
var num2: int :: n - num1
do ans :+ num1 * num2 % mod * w[i] % mod
do ans :% mod
end for
do ans :* 2
do ans :% mod
do cui@print("\{ans}\n")
end func