結果
問題 | No.1690 Power Grid |
ユーザー | theory_and_me |
提出日時 | 2021-09-24 22:37:03 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 125 ms / 3,000 ms |
コード長 | 4,293 bytes |
コンパイル時間 | 2,101 ms |
コンパイル使用メモリ | 212,392 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-05 11:00:40 |
合計ジャッジ時間 | 4,986 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 125 ms
6,944 KB |
testcase_07 | AC | 121 ms
6,940 KB |
testcase_08 | AC | 125 ms
6,940 KB |
testcase_09 | AC | 118 ms
6,940 KB |
testcase_10 | AC | 121 ms
6,940 KB |
testcase_11 | AC | 117 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 13 ms
6,940 KB |
testcase_15 | AC | 118 ms
6,944 KB |
testcase_16 | AC | 119 ms
6,944 KB |
testcase_17 | AC | 56 ms
6,940 KB |
testcase_18 | AC | 27 ms
6,940 KB |
testcase_19 | AC | 118 ms
6,944 KB |
testcase_20 | AC | 116 ms
6,944 KB |
testcase_21 | AC | 119 ms
6,940 KB |
testcase_22 | AC | 118 ms
6,940 KB |
testcase_23 | AC | 122 ms
6,940 KB |
testcase_24 | AC | 118 ms
6,940 KB |
testcase_25 | AC | 119 ms
6,940 KB |
testcase_26 | AC | 121 ms
6,944 KB |
testcase_27 | AC | 1 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 > Matrix< T > WarshallFloyd_matrix(WeightedGraph< T > &g, T INF) { const ll V = g.size(); Matrix<ll> D(V, vector<ll>(V, INF)); REP(i, V) D[i][i] = 0; for(int i=0;i<V;i++){ for(auto &e: g[i]){ D[i][e.to] = e.cost; } } for(int k = 0; k < (int)D.size(); k++) { for(int i = 0; i < (int)D.size(); i++) { for(int j = 0; j < (int)D.size(); j++) { if(D[i][k] == INF || D[k][j] == INF) continue; D[i][j] = min(D[i][j], D[i][k] + D[k][j]); } } } return D; } int main(){ ll N, M, K; cin >> N >> M >> K; V<ll> A(N); REP(i, N) cin >> A[i]; V<ll> X(M), Y(M), Z(M); REP(i, M) cin >> X[i] >> Y[i] >> Z[i], X[i]--, Y[i]--; WeightedGraph<ll> G(N); REP(i, M){ G[X[i]].emplace_back(Y[i], Z[i]); G[Y[i]].emplace_back(X[i], Z[i]); } auto D = WarshallFloyd_matrix(G, INF); ll MA = 1<<N; V<ll> dp(MA, INF); dp[0] = 0; REP(mask, MA){ REP(i, N){ if(!(mask >> i & 1)){ if(mask == 0){ chmin(dp[mask ^ (1<<i)], dp[mask] + A[i]); }else{ ll mi = INF; REP(j, N){ if(mask >> j & 1){ chmin(mi, D[i][j]); } } chmin(dp[mask ^ (1<<i)], dp[mask] + A[i] + mi); } } } } ll res = INF; REP(mask, MA){ if(popcount(mask) == K) chmin(res, dp[mask]); } cout << res << endl; return 0; }