結果
| 問題 | No.3564 Awkward Timing |
| コンテスト | |
| ユーザー |
risujiroh
|
| 提出日時 | 2026-05-29 20:10:05 |
| 言語 | C++23 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 196 ms / 2,000 ms |
| コード長 | 3,474 bytes |
| 記録 | |
| コンパイル時間 | 4,497 ms |
| コンパイル使用メモリ | 347,336 KB |
| 実行使用メモリ | 27,520 KB |
| 最終ジャッジ日時 | 2026-05-29 20:10:29 |
| 合計ジャッジ時間 | 12,493 ms |
|
ジャッジサーバーID (参考情報) |
judge2_1 / judge4_1 |
| 純コード判定待ち |
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| サブタスク | 配点 | 結果 |
|---|---|---|
| 部分点1 | 40 % | AC * 38 |
| 満点 | 60 % | AC * 62 |
| 合計 | 100 点 |
ソースコード
#if __INCLUDE_LEVEL__ == 0
#include __BASE_FILE__
void Solve() {
int n, m;
int64_t K;
IN(n, m, K);
vector<vector<pair<int, int64_t>>> g(n);
while (m--) {
int i, j;
int64_t w;
IN(OneBased(i, j), w);
g[i].emplace_back(j, w);
g[j].emplace_back(i, w);
}
vector<int64_t> f(n, -1);
f[0] = 0;
Fix([&](auto self, int i) -> void {
for (const auto& [j, w] : g[i]) {
if (f[j] != -1)
continue;
f[j] = (f[i] + w) % K;
self(j);
}
})(0);
int64_t d = K;
for (int i : Rep(0, n))
for (const auto& [j, w] : g[i]) {
d = gcd(d, 2 * w);
d = gcd(d, f[i] + f[j] + w);
}
OUT(f.back() % d);
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
Solve();
}
#elif __INCLUDE_LEVEL__ == 1
#include <bits/stdc++.h>
template <class F>
class Fix {
public:
explicit Fix(F f) : f_(std::move(f)) {}
template <class... Ts>
decltype(auto) operator()(Ts&&... xs) {
return f_(std::ref(*this), std::forward<Ts>(xs)...);
}
template <class... Ts>
decltype(auto) operator()(Ts&&... xs) const {
return f_(std::ref(*this), std::forward<Ts>(xs)...);
}
private:
F f_;
};
template <class T>
concept MyRange =
std::ranges::range<T> &&
!std::convertible_to<T, std::string_view> &&
!std::convertible_to<T, std::filesystem::path>;
template <class T>
concept MyTuple = std::__is_tuple_like<T>::value && !MyRange<T>;
namespace std {
istream& operator>>(istream& is, MyRange auto&& r) {
for (auto&& e : r) {
is >> e;
}
return is;
}
istream& operator>>(istream& is, MyTuple auto&& t) {
apply([&](auto&... xs) { (is >> ... >> xs); }, t);
return is;
}
ostream& operator<<(ostream& os, MyRange auto&& r) {
auto sep = "";
for (auto&& e : r) {
os << exchange(sep, " ") << forward<decltype(e)>(e);
}
return os;
}
ostream& operator<<(ostream& os, MyTuple auto&& t) {
auto sep = "";
apply([&](auto&... xs) { ((os << exchange(sep, " ") << xs), ...); }, t);
return os;
}
} // namespace std
template <class T>
class OneBased {
public:
explicit OneBased(T&& x) : ref_(std::forward<T>(x)) {}
template <class... Ts>
requires(sizeof...(Ts) > 1)
OneBased(Ts&&... xs) : ref_(std::forward_as_tuple(std::forward<Ts>(xs)...)) {}
friend std::istream& operator>>(std::istream& is, OneBased x) {
if constexpr (MyRange<T>) {
for (auto&& e : x.ref_) {
is >> ::OneBased(e);
}
} else if constexpr (MyTuple<T>) {
std::apply([&](auto&... xs) { (is >> ... >> ::OneBased(xs)); }, x.ref_);
} else {
is >> x.ref_;
--x.ref_;
}
return is;
}
friend std::ostream& operator<<(std::ostream& os, OneBased x) {
if constexpr (MyRange<T>) {
auto f = [](auto&& e) { return ::OneBased(std::forward<decltype(e)>(e)); };
os << (x.ref_ | std::views::transform(f));
} else if constexpr (MyTuple<T>) {
std::apply([&](auto&... xs) { os << std::tuple(::OneBased(xs)...); }, x.ref_);
} else {
os << ++x.ref_;
--x.ref_;
}
return os;
}
private:
T ref_;
};
template <class T>
OneBased(T&&) -> OneBased<T>;
template <class... Ts>
OneBased(Ts&&...) -> OneBased<std::tuple<Ts...>>;
using namespace std;
#define Rep(...) [](int l, int r) { return views::iota(min(l, r), r); }(__VA_ARGS__)
#define IN(...) (cin >> forward_as_tuple(__VA_ARGS__))
#define OUT(...) (cout << forward_as_tuple(__VA_ARGS__) << '\n')
#endif // __INCLUDE_LEVEL__ == 1
risujiroh