結果
問題 | No.1301 Strange Graph Shortest Path |
ユーザー |
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提出日時 | 2020-11-28 08:15:32 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 195 ms / 3,000 ms |
コード長 | 2,888 bytes |
コンパイル時間 | 2,826 ms |
コンパイル使用メモリ | 217,004 KB |
最終ジャッジ日時 | 2025-01-16 09:13:23 |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 33 |
ソースコード
#include <bits/stdc++.h>#include <atcoder/mincostflow>#define REP(i, n) for (int i = 0, REP_N_ = (n); i < REP_N_; ++i)#define ALL(x) std::begin(x), std::end(x)using i64 = long long;using u64 = unsigned long long;template <class T>inline int ssize(const T &a) {return (int)std::size(a);}template <class T>inline bool chmax(T &a, T b) {return a < b and ((a = std::move(b)), true);}template <class T>inline bool chmin(T &a, T b) {return a > b and ((a = std::move(b)), true);}template <typename T>std::istream &operator>>(std::istream &is, std::vector<T> &a) {for (auto &x : a) is >> x;return is;}template <typename Container>std::ostream &pprint(const Container &a, std::string_view sep = " ",std::string_view ends = "\n", std::ostream *os = nullptr) {if (os == nullptr) os = &std::cout;auto b = std::begin(a), e = std::end(a);for (auto it = std::begin(a); it != e; ++it) {if (it != b) *os << sep;*os << *it;}return *os << ends;}template <typename T, typename = void>struct is_iterable : std::false_type {};template <typename T>struct is_iterable<T, std::void_t<decltype(std::begin(std::declval<T>())),decltype(std::end(std::declval<T>()))>>: std::true_type {};template <typename T, typename = std::enable_if_t<is_iterable<T>::value &&!std::is_same<T, std::string_view>::value &&!std::is_same<T, std::string>::value>>std::ostream &operator<<(std::ostream &os, const T &a) {return pprint(a, ", ", "", &(os << "{")) << "}";}template <typename T, typename U>std::ostream &operator<<(std::ostream &os, const std::pair<T, U> &a) {return os << "(" << a.first << ", " << a.second << ")";}#ifdef ENABLE_DEBUGtemplate <typename T>void pdebug(const T &value) {std::cerr << value;}template <typename T, typename... Ts>void pdebug(const T &value, const Ts &...args) {pdebug(value);std::cerr << ", ";pdebug(args...);}#define DEBUG(...) \do { \std::cerr << " \033[33m (L" << __LINE__ << ") "; \std::cerr << #__VA_ARGS__ << ":\033[0m "; \pdebug(__VA_ARGS__); \std::cerr << std::endl; \} while (0)#else#define pdebug(...)#define DEBUG(...)#endifusing namespace std;i64 solve() {int N, M;cin >> N >> M;atcoder::mcf_graph<int, i64> g(N);REP(i, M) {i64 u, v, c, d;cin >> u >> v >> c >> d;--u, --v;g.add_edge(u, v, 1, c);g.add_edge(v, u, 1, c);g.add_edge(u, v, 1, d);g.add_edge(v, u, 1, d);}auto [f, cost] = g.flow(0, N - 1, 2);return cost;}int main() {ios::sync_with_stdio(false);cin.tie(nullptr);cout << solve() << endl;}