結果
| 問題 |
No.654 Air E869120
|
| コンテスト | |
| ユーザー |
minato
|
| 提出日時 | 2020-09-15 05:23:37 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 11 ms / 2,000 ms |
| コード長 | 3,589 bytes |
| コンパイル時間 | 4,769 ms |
| コンパイル使用メモリ | 245,896 KB |
| 最終ジャッジ日時 | 2025-01-14 14:55:56 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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
//#pragma GCC target("avx2,avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
//#include <atcoder/all>
#include <atcoder/maxflow>
using namespace atcoder;
//using mint = modint998244353;
//using mint = modint1000000007;
#include <bits/stdc++.h>
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//using i128 = __int128_t;
using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define all(x) (x).begin(),(x).end()
#define SZ(x) ((int)(x).size())
constexpr char ln = '\n';
template<class T1, class T2> inline bool chmax(T1 &a, T2 b) {if (a < b) {a = b; return true;} return false;}
template<class T1, class T2> inline bool chmin(T1 &a, T2 b) {if (a > b) {a = b; return true;} return false;}
inline int topbit(int x) {return x == 0 ? -1 : 31-__builtin_clz(x);}
inline int topbit(long long x) {return x == 0 ? -1 : 63-__builtin_clzll(x);}
inline int botbit(int x) {return x == 0 ? 32 : __builtin_ctz(x);}
inline int botbit(long long x) {return x == 0 ? 64 : __builtin_ctzll(x);}
inline int popcount(int x) {return __builtin_popcount(x);}
inline int popcount(long long x) {return __builtin_popcountll(x);}
inline int kthbit(long long x, int k) {return (x>>k)&1;}
inline void print() {cout << "\n";}
template<class T>
inline void print(const vector<T> &v) {
for (auto itr = v.begin(); itr != v.end(); ++itr) cout << *itr << " ";
print();
}
template<class T, class... Args>
inline void print(const T &x, const Args &... args) {
cout << x << " ";
print(args...);
}
#ifdef MINATO_LOCAL
#define dump(x) cerr << __LINE__ << " : " << #x << " = " << (x) << endl;
inline void debug() {cerr << endl;}
template<class T>
inline void debug(const vector<T> &v) {
for (auto itr = v.begin(); itr != v.end(); ++itr) cerr << *itr << " ";
debug();
}
template<class T, class... Args>
inline void debug(const T &x, const Args &... args) {
cerr << x << " ";
debug(args...);
}
#else
#define dump(x) void(0)
inline void debug() {}
template<class T> inline void debug(const vector<T> &v) {}
template<class T, class... Args> inline void debug(const T &x, const Args &... args) {}
#endif
struct Fast_ios {Fast_ios() {cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20);};} fast_ios;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const ll MAX = 1e9;
const ll INF = 1e18;
int main() {
ll N,M,d; cin >> N >> M >> d;
vector<ll> u(M),v(M),p(M),q(M),w(M);
vector<vector<ll>> G(N);
G[0].emplace_back(0);
G[N-1].emplace_back(MAX+d);
rep(i,M) {
cin >> u[i] >> v[i] >> p[i] >> q[i] >> w[i];
--u[i]; --v[i];
G[u[i]].emplace_back(p[i]);
G[v[i]].emplace_back(q[i]+d);
}
map<pll, int> dic;
int V = 0;
for (int i = 0; i < N; i++) {
sort(all(G[i]));
G[i].erase(unique(all(G[i])),G[i].end());
for (auto j : G[i]) {
dic[pll(i,j)] = V++;
}
}
mf_graph<ll> g(V);
rep(i,M) {
int a = dic[pll(u[i],p[i])];
int b = dic[pll(v[i],q[i]+d)];
g.add_edge(a,b,w[i]);
}
rep(i,N) {
rep(j,SZ(G[i])-1) {
int a = dic[pll(i,G[i][j])];
int b = dic[pll(i,G[i][j+1])];
g.add_edge(a,b,INF);
}
}
int s = dic[pll(0,0)];
int t = dic[pll(N-1,MAX+d)];
cout << g.flow(s,t) << ln;
}
minato