test/yukicoder/6680.test.cpp

View this file on GitHub
Last update: 2021-08-06 23:06:43+09:00
Problem: https://yukicoder.me/problems/6680

Depends on

Code

// verification-helper: PROBLEM https://yukicoder.me/problems/6680

#include<bits/stdc++.h>
using namespace std;

#define call_from_test
#include "../../io/single.cpp"
#include "../../graph/grid.cpp"
#include "../../graph/dijkstra.cpp"
#undef call_from_test

signed main(){
  using ll = long long;
  cin.tie(0);
  ios::sync_with_stdio(0);

  int h,w;
  cin>>h>>w;
  ll u,d,r,l,k,p;
  cin>>u>>d>>r>>l>>k>>p;
  int ys,xs,yt,xt;
  cin>>ys>>xs>>yt>>xt;
  ys--;xs--;yt--;xt--;

  auto C=read<string>(h);

  map<int, ll> cost;
  cost[-w]=u;
  cost[+w]=d;
  cost[+1]=r;
  cost[-1]=l;

  Grid G(h,w,[&](int y,int x){return C[y][x];});
  Dijkstra<ll> D(h*w);
  for(auto[a,b]:G.edges()){
    if(G[a]=='#' or G[b]=='#') continue;
    D.add_edge(a,b,cost[b-a]+p*(G[b]=='@'));
    D.add_edge(b,a,cost[a-b]+p*(G[a]=='@'));
  }

  D.build(G.idx(ys,xs));
  cout<<(D[G.idx(yt,xt)]<=k?"Yes":"No")<<endl;
  return 0;
}

#line 1 "test/yukicoder/6680.test.cpp"
// verification-helper: PROBLEM https://yukicoder.me/problems/6680

#include<bits/stdc++.h>
using namespace std;

#define call_from_test
#line 1 "io/single.cpp"

#line 3 "io/single.cpp"
using namespace std;
#endif

//BEGIN CUT HERE
template<typename T=int>
vector<T> read(size_t n){
  vector<T> ts(n);
  for(size_t i=0;i<n;i++) cin>>ts[i];
  return ts;
}
//END CUT HERE
#ifndef call_from_test
signed main(){
  return 0;
}
#endif
#line 1 "graph/grid.cpp"

#line 3 "graph/grid.cpp"
using namespace std;
#endif
//BEGIN CUT HERE
template<typename F>
struct Grid{
  const int h,w;
  const F f;
  Grid(int h_,int w_,F f_):h(h_),w(w_),f(f_){}
  int idx(int y,int x){return y*w+x;}
  using T = typename invoke_result<F, int, int>::type;
  T operator[](int k){return f(k/w,k%w);}
  decltype(auto) edges(){
    vector<pair<int, int>> es;
    for(int i=0;i<h;i++){
      for(int j=0;j<w;j++){
        if(i+1<h) es.emplace_back(idx(i,j),idx(i+1,j));
        if(j+1<w) es.emplace_back(idx(i,j),idx(i,j+1));
      }
    }
    return es;
  }
};
//END CUT HERE
#ifndef call_from_test
//INSERT ABOVE HERE
signed main(){
  return 0;
}
#endif
#line 1 "graph/dijkstra.cpp"

#line 3 "graph/dijkstra.cpp"
using namespace std;
#endif
//BEGIN CUT HERE
template<typename T>
struct Dijkstra{
  struct Edge{
    int to;
    T cost;
    Edge(int to,T cost):to(to),cost(cost){}
    bool operator<(const Edge &o)const{return cost>o.cost;}
  };

  vector< vector<Edge> > G;
  vector<T> ds;
  vector<int> bs;
  Dijkstra(int n):G(n){}

  void add_edge(int u,int v,T c){
    G[u].emplace_back(v,c);
  }

  void build(int s){
    int n=G.size();
    ds.assign(n,numeric_limits<T>::max());
    bs.assign(n,-1);

    priority_queue<Edge> pq;
    ds[s]=0;
    pq.emplace(s,ds[s]);

    while(!pq.empty()){
      auto p=pq.top();pq.pop();
      int v=p.to;
      if(ds[v]<p.cost) continue;
      for(auto e:G[v]){
        if(ds[e.to]>ds[v]+e.cost){
          ds[e.to]=ds[v]+e.cost;
          bs[e.to]=v;
          pq.emplace(e.to,ds[e.to]);
        }
      }
    }
  }

  T operator[](int k){return ds[k];}

  vector<int> restore(int to){
    vector<int> res;
    if(bs[to]<0) return res;
    while(~to) res.emplace_back(to),to=bs[to];
    reverse(res.begin(),res.end());
    return res;
  }
};
//END CUT HERE
#ifndef call_from_test
signed main(){
  return 0;
}
#endif
#line 10 "test/yukicoder/6680.test.cpp"
#undef call_from_test

signed main(){
  using ll = long long;
  cin.tie(0);
  ios::sync_with_stdio(0);

  int h,w;
  cin>>h>>w;
  ll u,d,r,l,k,p;
  cin>>u>>d>>r>>l>>k>>p;
  int ys,xs,yt,xt;
  cin>>ys>>xs>>yt>>xt;
  ys--;xs--;yt--;xt--;

  auto C=read<string>(h);

  map<int, ll> cost;
  cost[-w]=u;
  cost[+w]=d;
  cost[+1]=r;
  cost[-1]=l;

  Grid G(h,w,[&](int y,int x){return C[y][x];});
  Dijkstra<ll> D(h*w);
  for(auto[a,b]:G.edges()){
    if(G[a]=='#' or G[b]=='#') continue;
    D.add_edge(a,b,cost[b-a]+p*(G[b]=='@'));
    D.add_edge(b,a,cost[a-b]+p*(G[a]=='@'));
  }

  D.build(G.idx(ys,xs));
  cout<<(D[G.idx(yt,xt)]<=k?"Yes":"No")<<endl;
  return 0;
}