結果
問題 | No.654 Air E869120 |
ユーザー |
|
提出日時 | 2025-03-26 11:38:51 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 10 ms / 2,000 ms |
コード長 | 4,864 bytes |
コンパイル時間 | 4,478 ms |
コンパイル使用メモリ | 302,016 KB |
実行使用メモリ | 7,324 KB |
最終ジャッジ日時 | 2025-03-26 11:38:58 |
合計ジャッジ時間 | 6,099 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 5 |
other | AC * 35 |
ソースコード
#line 2 "template.hpp"// #pragma GCC target("avx2")// #pragma GCC optimize("O3")// #pragma GCC optimize("unroll-loops")#include <bits/stdc++.h>using namespace std;template <class T>concept Streamable = requires(ostream os, T &x) { os << x; };template <class mint>concept is_modint = requires(mint &x) {{ x.val() } -> std::convertible_to<int>;};#ifdef LOCAL#include <debug.hpp>#else#define debug(...)#endiftemplate <Streamable T> void print_one(const T &value) { cout << value; }template <is_modint T> void print_one(const T &value) { cout << value.val(); }void print() { cout << '\n'; }template <class T, class... Ts> void print(const T &a, const Ts &...b) {print_one(a);((cout << ' ', print_one(b)), ...);cout << '\n';}template <ranges::range Iterable>requires(!Streamable<Iterable>)void print(const Iterable &v) {for(auto it = v.begin(); it != v.end(); ++it) {if(it != v.begin())cout << " ";print_one(*it);}cout << '\n';}using ll = long long;using vl = vector<ll>;using vll = vector<vl>;using P = pair<ll, ll>;#define all(v) v.begin(), v.end()template <typename T> inline bool chmax(T &a, T b) {return ((a < b) ? (a = b, true) : (false));}template <typename T> inline bool chmin(T &a, T b) {return ((a > b) ? (a = b, true) : (false));}// https://trap.jp/post/1224/template <class... T> constexpr auto min(T... a) {return min(initializer_list<common_type_t<T...>>{a...});}template <class... T> constexpr auto max(T... a) {return max(initializer_list<common_type_t<T...>>{a...});}template <class... T> void input(T &...a) { (cin >> ... >> a); }template <class T> void input(vector<T> &a) {for(T &x : a)cin >> x;}#define INT(...) \int __VA_ARGS__; \input(__VA_ARGS__)#define LL(...) \long long __VA_ARGS__; \input(__VA_ARGS__)#define STR(...) \string __VA_ARGS__; \input(__VA_ARGS__)#define REP1(a) for(ll i = 0; i < a; i++)#define REP2(i, a) for(ll i = 0; i < a; i++)#define REP3(i, a, b) for(ll i = a; i < b; i++)#define REP4(i, a, b, c) for(ll i = a; i < b; i += c)#define overload4(a, b, c, d, e, ...) e#define rep(...) overload4(__VA_ARGS__, REP4, REP3, REP2, REP1)(__VA_ARGS__)#define rep1(i, n) for(ll i = 1; i <= ((ll)n); ++i)ll inf = 3e18;vl dx = {1, -1, 0, 0};vl dy = {0, 0, 1, -1};#line 2 "/home/y_midori/cp/a.cpp"template <class T>T edmands_karp(vector<unordered_map<int, T>> &graph, int source, int sink) {assert(source != sink);T flow = 0;vector<int> par(graph.size()), q = par;for(;;) {fill(all(par), -1);par[source] = 0;int ptr = 1;q[0] = source;rep(i, 0, ptr) {int x = q[i];for(auto e : graph[x]) {if(par[e.first] == -1 and e.second > 0) {par[e.first] = x;q[ptr++] = e.first;if(e.first == sink)goto out;}}}return flow;out:T inc = numeric_limits<T>::max();for(int y = sink; y != source; y = par[y])inc = min(inc, graph[par[y]][y]);flow += inc;for(int y = sink; y != source; y = par[y]) {int p = par[y];if((graph[p][y] -= inc) <= 0) {assert(graph[p][y] == 0);graph[p].erase(y);}graph[y][p] += inc;}}}struct flow_edge {int u, v, p, q;ll w;};int main() {INT(n, m, d);vector<flow_edge> g(m);using pii = pair<int, int>;map<pii, int> id;vector<set<int>> t(n);auto ins = [&](int loc, int time) {if(id.contains(pii(loc, time)))return;id[pii(loc, time)] = id.size();t[loc].insert(time);};ins(0, 0);ins(n - 1, numeric_limits<int>::max());rep(i, m) {INT(u, v, p, q, w);u--, v--, q += d;g[i] = flow_edge(u, v, p, q, w);ins(u, p);ins(v, q);}vector<unordered_map<int, ll>> graph(id.size());for(auto [u, v, p, q, w] : g) {graph[id[pii(u, p)]][id[pii(v, q)]] += w;}rep(i, 0, n) {for(auto itr = begin(t[i]); itr != end(t[i]); ++itr) {if(itr != begin(t[i])) {graph[id[pii(i, *prev(itr))]][id[pii(i, *itr)]] = inf;}}}ll ans = edmands_karp(graph, 0, 1);print(ans);}