結果

問題 No.1638 Robot Maze
ユーザー cumin
提出日時 2021-08-06 23:33:00
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 6 ms / 2,000 ms
コード長 2,752 bytes
コンパイル時間 4,181 ms
コンパイル使用メモリ 265,132 KB
最終ジャッジ日時 2025-01-23 16:16:10
ジャッジサーバーID
（参考情報） 		judge3 / judge3
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
sample AC * 3
other AC * 49
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
#define ll long long
#define ull unsigned long long
#define rep(i, n) for(int i = 0; i < n; i++)
#define rep2(i, a, b) for(int i = a; i <= b; i++)
#define rrep(i, n) for(int i = n; i >= 0; i--)
#define rrep2(i, a, b) for(int i = a; i >= b; i--)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define eb emplace_back
#define fi first
#define se second
#define sz(x) (int)x.size()
#define pii pair<int, int>
#define pll pair<ll, ll>
#define endl '\n'
template<class T> using pq = priority_queue< T >;
template<class T> using pqg = priority_queue< T , vector< T >, greater< T >>;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
const int inf = 1e9 + 1;
const ll INF = 1e18 + 1;
const int MOD = 1000000007;
const double PI = 3.1415926535;
bool range(int y, int x, int h, int w){
  return (0 <= y && y < h && 0 <= x && x < w);
}
int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};
int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1};
int main(){
  cout << fixed << setprecision(15);
  
  int h, w;
  cin >> h >> w;
  ll u, d, r, l, k, p;
  cin >> u >> d >> r >> l >> k >> p;
  vector<ll> dir = {2*r, 2*d, 2*l, 2*u};
  int sy, sx, gy, gx;
  cin >> sy >> sx >> gy >> gx;
  sy--; sx--; gy--; gx--;
  char c[h][w];
  rep(i, h)rep(j, w) cin >> c[i][j];
  vector<vector<pll>> G(h*w);
  rep(i, h)rep(j, w){
    if(c[i][j] == '#') continue;
    if(c[i][j] == '.'){
      rep(d, 4){
        int ni = i + dy[d];
        int nj = j + dx[d];
        ll cost = 0;
        if(!range(ni, nj, h, w)) continue;
        if(c[ni][nj] == '#') continue;
        if(c[ni][nj] == '@') cost += p;
        cost += dir[d];
        G[i*w+j].eb(ni*w+nj, cost);
      }
    }
    if(c[i][j] == '@'){
      rep(d, 4){
        int ni = i + dy[d];
        int nj = j + dx[d];
        ll cost = p;
        if(!range(ni, nj, h, w)) continue;
        if(c[ni][nj] == '#') continue;
        if(c[ni][nj] == '@') cost += p;
        cost += dir[d];
        G[i*w+j].eb(ni*w+nj, cost);
      }
    }
  }
  
  pqg<tuple<ll, int ,int>> que;
  que.push(make_tuple(0, sy, sx));
  vector dist(h, vector<ll>(w, INF));
  dist[sy][sx] = 0;
  while(!que.empty()){
    auto[cost, y, x] = que.top();
    que.pop();
    if(dist[y][x] < cost) continue;
    for(auto[pos, add] : G[y*w+x]){
      int ny = pos/w;
      int nx = pos%w;
      if(dist[ny][nx] > cost + add){
        dist[ny][nx] = cost + add;
        que.push(make_tuple(dist[ny][nx], ny, nx));
      }
    }
  }
  if(dist[gy][gx]/2 <= k) cout << "Yes" << endl;
  else cout << "No" << endl;
  return 0;
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0