結果
問題 | No.1690 Power Grid |
ユーザー | Sumitacchan |
提出日時 | 2021-09-24 21:58:16 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 206 ms / 3,000 ms |
コード長 | 3,737 bytes |
コンパイル時間 | 2,266 ms |
コンパイル使用メモリ | 214,752 KB |
実行使用メモリ | 42,312 KB |
最終ジャッジ日時 | 2024-07-05 10:33:18 |
合計ジャッジ時間 | 6,588 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 0 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 205 ms
42,312 KB |
testcase_07 | AC | 203 ms
42,180 KB |
testcase_08 | AC | 204 ms
42,308 KB |
testcase_09 | AC | 203 ms
42,304 KB |
testcase_10 | AC | 206 ms
42,156 KB |
testcase_11 | AC | 204 ms
42,152 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 23 ms
7,336 KB |
testcase_15 | AC | 203 ms
42,304 KB |
testcase_16 | AC | 204 ms
42,292 KB |
testcase_17 | AC | 96 ms
21,688 KB |
testcase_18 | AC | 45 ms
11,904 KB |
testcase_19 | AC | 205 ms
42,292 KB |
testcase_20 | AC | 202 ms
42,164 KB |
testcase_21 | AC | 203 ms
42,288 KB |
testcase_22 | AC | 205 ms
42,292 KB |
testcase_23 | AC | 205 ms
42,288 KB |
testcase_24 | AC | 206 ms
42,264 KB |
testcase_25 | AC | 205 ms
42,168 KB |
testcase_26 | AC | 202 ms
42,196 KB |
testcase_27 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; //using namespace atcoder; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define FOR(i, begin, end) for(int i=(begin);i<(end);i++) #define REP(i, n) FOR(i,0,n) #define IFOR(i, begin, end) for(int i=(end)-1;i>=(begin);i--) #define IREP(i, n) IFOR(i,0,n) #define Sort(v) sort(v.begin(), v.end()) #define Reverse(v) reverse(v.begin(), v.end()) #define all(v) v.begin(),v.end() #define SZ(v) ((int)v.size()) #define Lower_bound(v, x) distance(v.begin(), lower_bound(v.begin(), v.end(), x)) #define Upper_bound(v, x) distance(v.begin(), upper_bound(v.begin(), v.end(), x)) #define chmax(a, b) a = max(a, b) #define chmin(a, b) a = min(a, b) #define bit(n) (1LL<<(n)) #define debug(x) cout << #x << "=" << x << endl; #define vdebug(v) { cout << #v << "=" << endl; REP(i_debug, (int)v.size()){ cout << v[i_debug] << ","; } cout << endl; } #define mdebug(m) { cout << #m << "=" << endl; REP(i_debug, (int)m.size()){ REP(j_debug, (int)m[i_debug].size()){ cout << m[i_debug][j_debug] << ","; } cout << endl;} } #define pb push_back #define fi first #define se second #define int long long #define INF 1000000000000000000 template<typename T> istream &operator>>(istream &is, vector<T> &v){ for (auto &x : v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os, vector<T> &v){ for(int i = 0; i < (int)v.size(); i++) { cout << v[i]; if(i != (int)v.size() - 1) cout << endl; }; return os; } template<typename T1, typename T2> ostream &operator<<(ostream &os, pair<T1, T2> p){ cout << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T> void Out(T x) { cout << x << endl; } template<typename T1, typename T2> void chOut(bool f, T1 y, T2 n) { if(f) Out(y); else Out(n); } using vec = vector<int>; using mat = vector<vec>; using Pii = pair<int, int>; using v_bool = vector<bool>; using v_Pii = vector<Pii>; //int dx[4] = {1,0,-1,0}; //int dy[4] = {0,1,0,-1}; //char d[4] = {'D','R','U','L'}; const int mod = 1000000007; //const int mod = 998244353; template<typename T> struct edge{ int to; T cost; int id; }; template<typename T = long long> struct Graph { int N; vector<vector<edge<T>>> E; Graph(int N): N(N){ E = vector<vector<edge<T>>>(N, vector<edge<T>>(0)); } void add_Directed_edge(int from, int to, T cost = 1, int id = 0){ E[from].push_back(edge<T>({ to, cost, id })); } void add_Undirected_edge(int v1, int v2, T cost = 1, int id = 0){ add_Directed_edge(v1, v2, cost, id); add_Directed_edge(v2, v1, cost, id); } vector<vector<T>> waeshall_floyd(T T_INF = INF){ vector<vector<T>> d(N, vector<T>(N, T_INF)); REP(i, N) d[i][i] = 0; REP(i, N) for(auto e: E[i]){ d[i][e.to] = min(d[i][e.to], e.cost); } REP(k, N) REP(i, N) REP(j, N) d[i][j] = min(d[i][j], d[i][k] + d[k][j]); return d; } }; signed main(){ int N, M, K; cin >> N >> M >> K; vec A(N); cin >> A; Graph G(N); REP(i, M){ int x, y, z; cin >> x >> y >> z; x--; y--; G.add_Undirected_edge(x, y, z); } auto d = G.waeshall_floyd(); mat cost(N, vec(bit(N), INF)); REP(i, N){ cost[i][0] = A[i]; FOR(k, 1, bit(N)) if(((k >> i) & 1) == 0){ REP(j, N) if((k >> j) & 1) chmin(cost[i][k], A[i] + d[i][j]); } } vec dp(bit(N), INF); dp[0] = 0; FOR(k, 1, bit(N)){ REP(i, N) if((k >> i) & 1) chmin(dp[k], dp[k ^ bit(i)] + cost[i][k ^ bit(i)]); } int ans = INF; REP(k, bit(N)) if(__builtin_popcountll(k) == K) chmin(ans, dp[k]); Out(ans); return 0; }