結果
問題 | No.134 走れ!サブロー君 |
ユーザー | sntea |
提出日時 | 2016-10-16 17:44:56 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,754 bytes |
コンパイル時間 | 2,026 ms |
コンパイル使用メモリ | 196,472 KB |
実行使用メモリ | 90,592 KB |
最終ジャッジ日時 | 2024-11-22 12:02:30 |
合計ジャッジ時間 | 4,982 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | AC | 731 ms
90,592 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
ソースコード
#ifdef LOCAL111 #else #define NDEBUG #endif #include <bits/stdc++.h> const int INF = 1e9; using namespace std; template<typename T, typename U> ostream& operator<< (ostream& os, const pair<T,U>& p) { cout << '(' << p.first << ' ' << p.second << ')'; return os; } #define endl '\n' #define ALL(a) (a).begin(),(a).end() #define SZ(a) int((a).size()) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) for (int i=(n)-1;i>=0;i--) #define RBP(i,a) for(auto& i : a) #ifdef LOCAL111 #define DEBUG(x) cout<<#x<<": "<<(x)<<endl template<typename T> void dpite(T a, T b){ for(T ite = a; ite != b; ite++) cout << (ite == a ? "" : " ") << *ite; cout << endl;} #else #define DEBUG(x) true template<typename T> void dpite(T a, T b){ return; } #endif #define F first #define S second #define SNP string::npos #define WRC(hoge) cout << "Case #" << (hoge)+1 << ": " #define rangej(a,b,c) ((a) <= (c) and (c) < (b)) #define rrangej(b,c) rangej(0,b,c) template<typename T> void pite(T a, T b){ for(T ite = a; ite != b; ite++) cout << (ite == a ? "" : " ") << *ite; cout << endl;} template<typename T> bool chmax(T& a, T b){if(a < b){a = b; return true;} return false;} template<typename T> bool chmin(T& a, T b){if(a > b){a = b; return true;} return false;} typedef long long int LL; typedef unsigned long long ULL; typedef pair<int,int> P; typedef pair<LL,LL> LP; void ios_init(){ cout.setf(ios::fixed); cout.precision(12); #ifdef LOCAL111 return; #endif ios::sync_with_stdio(false); cin.tie(0); } //library typedef double cost_t; class Edge { public: int to; cost_t cost; Edge(){ } Edge(int x,cost_t y){ to = x; cost = y; } bool operator< (const Edge& x) const { if(cost != x.cost) return cost < x.cost; return to < x.to; } bool operator> (const Edge& x) const { if(cost != x.cost) return cost > x.cost; return to > x.to; } }; class Graph { private: //const long long int INF = (long long)1e18; vector<vector<Edge> > v; int n; public: Graph(int x){ n = x; v = vector<vector<Edge> >(x); } vector<Edge>& operator[](int x){ return v[x]; } const vector<Edge>& operator[](int x) const { return v[x]; } int size() const { return n; } void add_edge(int from, Edge e){ v[from].push_back(e); } void add_edge(int from, int to, cost_t cost){ add_edge(from,Edge(to,cost)); } void add_uedge(int from, int to, cost_t cost){ add_edge(from,to,cost); add_edge(to,from,cost); } }; vector<cost_t> dijkstra(int from, const Graph& v) { vector<cost_t> dist(v.size(),INF); priority_queue<Edge,vector<Edge>,greater<Edge>> que; que.push(Edge(from,0)); while(!que.empty()){ Edge e = que.top(); que.pop(); if(dist[e.to] == INF){ dist[e.to] = e.cost; for(auto to : v[e.to]){ if(dist[to.to] == INF) que.push(Edge(to.to, e.cost+to.cost)); } } } return dist; } vector<cost_t> bellmanford(int from, const Graph& g) { vector<cost_t> res(g.size(),INF); res[from] = 0; bool conf = true; int cnt = 0; while(conf){ conf = false; for(int i = 0; i < g.size(); i++){ if(res[i] != INF) for(const auto& e : g[i]){ if(res[e.to] > res[i]+e.cost){ conf = true; res[e.to] = res[i]+e.cost; } } } if(cnt > g.size()+5) return vector<cost_t>(); cnt++; } return res; } Graph prim(const Graph g) { using T = tuple<cost_t, int, int>; priority_queue<T, vector<T>, greater<T>> qu; int n = g.size(); assert(n != 0); vector<bool> added(n,false); qu.emplace(0,0,0); Graph res(n); while(!qu.empty()){ int from, to; cost_t cost; tie(cost, from, to) = qu.top(); qu.pop(); if(!added[to]){ added[to] = true; res.add_edge(from, to, cost); res.add_edge(to, from, cost); for(const auto &e : g[to]){ if(!added[e.to]){ qu.emplace(e.cost, to, e.to); } } } } return res; } vector<int> tree_getorder(const Graph &g, int root) { vector<int> res; function<void(int p, int pre)> func = [&](int p, int pre){ for(auto &e : g[p]){ if(e.to != pre){ func(e.to,p); } } res.push_back(p); }; func(root,-1); return res; } vector<int> tree_getpar(const Graph &g, int root) { vector<int> par(g.size(),root); function<void(int p, int pre)> func = [&](int p, int pre){ par[p] = pre; for(auto &e : g[p]){ if(e.to != pre){ func(e.to,p); } } }; func(root,root); return par; } //未検証 vector<int> toposort(const Graph &g, int start) { int n = g.size(); vector<int> res; res.reserve(n); vector<bool> used(n,false); function<void(int)> rec = [&](int p){ if(used[p]) return; used[p] = true; for(auto&& e : g[p]) { rec(e.to); } res.push_back(p); }; rec(start); return res; } //liblary int main() { ios_init(); int x0, y0; while(cin >> x0 >> y0){ int n; cin >> n; using T = tuple<int,int,double>; vector<T> v(n); double sumw = 0; REP(i,n){ int x,y; double w; cin >> x >> y >> w; sumw += w; v[i] = T(x,y,w); } Graph g((n)*(1<<n)+2); function<int(int,int)> mp = [&](int p, int mask) -> int{ return p*(1<<n)+mask; }; REP(i,n) REP(mask,1<<n){ int x,y,w; tie(x,y,w) = v[i]; double sw = 0; REP(j,n){ if((mask>>j)&1){ sw += get<2>(v[j]); } } REP(j,n){ int nx, ny; double nw; tie(nx,ny,nw) = v[j]; int dis = abs(x-nx)+abs(y-ny); g.add_uedge(mp(i,mask),mp(j,mask|(1<<j)),dis*(sw+100.)/120); } } int sp = SZ(g)-2; int gp = SZ(g)-1; REP(i,n){ int x,y; tie(x,y,ignore) = v[i]; int dis = abs(x0-x)+abs(y-y0); g.add_uedge(sp,mp(i,1<<i),dis*(sumw+100.)/120); g.add_uedge(gp,mp(i,(1<<n)-1),dis*100./120); } auto ans = dijkstra(sp,g); cout << ans[gp]+sumw << endl; } return 0; }