結果
問題 | No.1320 Two Type Min Cost Cycle |
ユーザー | theory_and_me |
提出日時 | 2020-12-17 12:42:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 651 ms / 2,000 ms |
コード長 | 3,988 bytes |
コンパイル時間 | 2,095 ms |
コンパイル使用メモリ | 216,456 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-20 06:58:46 |
合計ジャッジ時間 | 10,961 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 56 ms
6,940 KB |
testcase_08 | AC | 75 ms
6,940 KB |
testcase_09 | AC | 572 ms
6,944 KB |
testcase_10 | AC | 102 ms
6,940 KB |
testcase_11 | AC | 447 ms
6,944 KB |
testcase_12 | AC | 178 ms
6,944 KB |
testcase_13 | AC | 277 ms
6,944 KB |
testcase_14 | AC | 13 ms
6,944 KB |
testcase_15 | AC | 115 ms
6,944 KB |
testcase_16 | AC | 50 ms
6,940 KB |
testcase_17 | AC | 37 ms
6,944 KB |
testcase_18 | AC | 30 ms
6,944 KB |
testcase_19 | AC | 267 ms
6,940 KB |
testcase_20 | AC | 11 ms
6,940 KB |
testcase_21 | AC | 442 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 1 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 1 ms
6,940 KB |
testcase_28 | AC | 32 ms
6,944 KB |
testcase_29 | AC | 269 ms
6,944 KB |
testcase_30 | AC | 3 ms
6,940 KB |
testcase_31 | AC | 44 ms
6,944 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 395 ms
6,944 KB |
testcase_34 | AC | 179 ms
6,940 KB |
testcase_35 | AC | 21 ms
6,940 KB |
testcase_36 | AC | 15 ms
6,944 KB |
testcase_37 | AC | 4 ms
6,940 KB |
testcase_38 | AC | 34 ms
6,944 KB |
testcase_39 | AC | 6 ms
6,940 KB |
testcase_40 | AC | 1 ms
6,944 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 264 ms
6,940 KB |
testcase_44 | AC | 133 ms
6,940 KB |
testcase_45 | AC | 651 ms
6,940 KB |
testcase_46 | AC | 57 ms
6,944 KB |
testcase_47 | AC | 270 ms
6,940 KB |
testcase_48 | AC | 240 ms
6,944 KB |
testcase_49 | AC | 26 ms
6,940 KB |
testcase_50 | AC | 1 ms
6,940 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 45 ms
6,940 KB |
testcase_53 | AC | 27 ms
6,940 KB |
testcase_54 | AC | 255 ms
6,940 KB |
testcase_55 | AC | 259 ms
6,940 KB |
testcase_56 | AC | 255 ms
6,940 KB |
testcase_57 | AC | 442 ms
6,944 KB |
testcase_58 | AC | 435 ms
6,944 KB |
testcase_59 | AC | 438 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define REP(i,n) for(ll i=0;i<(ll)n;i++) #define dump(x) cerr << "Line " << __LINE__ << ": " << #x << " = " << (x) << "\n"; #define spa << " " << #define fi first #define se second #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() using ld = long double; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; template<typename T> using V = vector<T>; template<typename T> using P = pair<T, T>; template<typename T> vector<T> make_vec(size_t n, T a) { return vector<T>(n, a); } template<typename... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec(ts...))>(n, make_vec(ts...)); } template<class S, class T> ostream& operator << (ostream& os, const pair<S, T> v){os << "(" << v.first << ", " << v.second << ")"; return os;} template<typename T> ostream& operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; } template<class T> ostream& operator<<(ostream& os, const vector<vector<T>> &v){ for(auto &e : v){os << e << "\n";} return os;} struct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; template <class T> void UNIQUE(vector<T> &x) {sort(ALL(x));x.erase(unique(ALL(x)), x.end());} template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; } void fail() { cout << -1 << '\n'; exit(0); } inline int popcount(const int x) { return __builtin_popcount(x); } inline int popcount(const ll x) { return __builtin_popcountll(x); } template<typename T> void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++) {cerr<<v[i][0];for(ll j=1;j<w;j++)cerr spa v[i][j];cerr<<"\n";}}; template<typename T> void debug(vector<T>&v,ll n){if(n!=0)cerr<<v[0]; for(ll i=1;i<n;i++)cerr spa v[i]; cerr<<"\n";}; const ll INF = (1ll<<62); // const ld EPS = 1e-10; // const ld PI = acos(-1.0); const ll mod = (int)1e9 + 7; //const ll mod = 998244353; template< typename T > struct edge { int src, to; T cost; edge(int to, T cost) : src(-1), to(to), cost(cost) {} edge(int src, int to, T cost) : src(src), to(to), cost(cost) {} edge &operator=(const int &x) { to = x; return *this; } operator int() const { return to; } }; template< typename T > using Edges = vector< edge< T > >; template< typename T > using WeightedGraph = vector< Edges< T > >; using UnWeightedGraph = vector< vector< int > >; template< typename T > using Matrix = vector< vector< T > >; template< typename T > vector< T > Dijkstra(WeightedGraph< T > &g, int s) { // const auto INF = numeric_limits< T >::max(); vector< T > dist(g.size(), INF); using Pi = pair< T, int >; priority_queue< Pi, vector< Pi >, greater< Pi > > que; dist[s] = 0; que.emplace(dist[s], s); while(!que.empty()) { T cost; int idx; tie(cost, idx) = que.top(); que.pop(); if(dist[idx] < cost) continue; for(auto &e : g[idx]) { auto next_cost = cost + e.cost; if(dist[e.to] <= next_cost) continue; dist[e.to] = next_cost; que.emplace(dist[e.to], e.to); } } return dist; } int main(){ ll T, N, M; cin >> T >> N >> M; V<ll> u(M), v(M), w(M); REP(i, M){ cin >> u[i] >> v[i] >> w[i]; u[i]--, v[i]--; } ll res = INF; auto min_cycle_without_e = [&](ll T, ll idx){ WeightedGraph<ll> G(N); REP(i, M){ if(i != idx){ G[u[i]].emplace_back(v[i], w[i]); if(!T){ G[v[i]].emplace_back(u[i], w[i]); } } } auto dist = Dijkstra(G, v[idx]); chmin(res, dist[u[idx]] + w[idx]); }; REP(i, M) min_cycle_without_e(T, i); cout << (res == INF ? -1 : res) << endl; return 0; }