結果
| 問題 |
No.1638 Robot Maze
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-08-06 21:45:01 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 5 ms / 2,000 ms |
| コード長 | 3,571 bytes |
| コンパイル時間 | 2,216 ms |
| コンパイル使用メモリ | 207,836 KB |
| 最終ジャッジ日時 | 2025-01-23 14:58:36 |
|
ジャッジサーバーID (参考情報) |
judge4 / judge6 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 49 |
ソースコード
#line 1 "/workspaces/compro/lib/template.hpp"
#line 1 "/workspaces/compro/lib/io/vector.hpp"
#include <iostream>
#include <vector>
#ifndef IO_VECTOR
#define IO_VECTOR
template <class T> std::ostream &operator<<(std::ostream &out, const std::vector<T> &v) {
int size = v.size();
for (int i = 0; i < size; i++) {
std::cout << v[i];
if (i != size - 1)
std::cout << " ";
}
return out;
}
template <class T> std::istream &operator>>(std::istream &in, std::vector<T> &v) {
for (auto &el : v) {
std::cin >> el;
}
return in;
}
#endif
#line 4 "/workspaces/compro/lib/template.hpp"
#include <bits/stdc++.h>
#define REP(i, n) for (int i = 0; i < n; i++)
#define FOR(i, m, n) for (int i = m; i < n; i++)
#define ALL(v) (v).begin(), (v).end()
#define coutd(n) cout << fixed << setprecision(n)
#define ll long long int
#define vl vector<ll>
#define vi vector<int>
#define MM << " " <<
using namespace std;
template <class T> void chmin(T &a, T b) {
if (a > b)
a = b;
}
template <class T> void chmax(T &a, T b) {
if (a < b)
a = b;
}
// 重複を消す。計算量はO(NlogN)
template <class T> void unique(std::vector<T> &v) {
std::sort(v.begin(), v.end());
v.erase(std::unique(v.begin(), v.end()), v.end());
}
#line 2 "main.cpp"
#line 1 "/workspaces/compro/lib/graph/edge.hpp"
template <typename T> struct edge {
int to;
T cost;
};
#line 6 "/workspaces/compro/lib/graph/dijkstra.hpp"
#ifndef DIJKSTRA
#define DIJKSTRA
// sからの各頂点への最短距離を返す。計算量はO(E logV)
template <class T> std::vector<T> dijkstra(const int s, const std::vector<std::vector<edge<T>>> &g) {
std::priority_queue<std::pair<T, int>, std::vector<std::pair<T, int>>, std::greater<std::pair<T, int>>> q;
constexpr T MAX = std::numeric_limits<T>::max();
std::vector<T> d(g.size(), MAX);
d[s] = 0;
q.push(std::make_pair(d[s], s));
while (!q.empty()) {
const auto p = q.top();
q.pop();
const int v = p.second;
if (d[v] < p.first)
continue;
for (const auto e : g[v]) {
const int u = e.to;
const T next_cost = d[v] + e.cost;
if (d[u] <= next_cost)
continue;
d[u] = next_cost;
q.push(std::make_pair(d[u], u));
}
}
return d;
}
#endif
#line 4 "main.cpp"
const std::string YES = "Yes";
const std::string NO = "No";
// generated by online-judge-template-generator v4.7.1 (https://github.com/online-judge-tools/template-generator)
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int H, W;
cin >> H >> W;
vector<vector<edge<ll>>> g(H * W);
ll U, D, R, L, K, P;
cin >> U >> D >> R >> L >> K >> P;
auto idx = [&W](int i, int j) -> int { return i * W + j; };
int xs, ys, xt, yt;
cin >> xs >> ys >> xt >> yt;
xs--;
ys--;
xt--;
yt--;
int s = idx(xs, ys);
int t = idx(xt, yt);
vector<string> C(H);
REP(i, H) { cin >> C[i]; }
int di[4] = {1, 0, -1, 0};
int dj[4] = {0, 1, 0, -1};
ll cost[4] = {D, R, U, L};
REP(i, H) {
REP(j, W) {
REP(k, 4) {
if (C[i][j] == '#')
continue;
int ni = i + di[k];
int nj = j + dj[k];
if (0 <= ni && ni < H && 0 <= nj && nj < W) {
int curIdx = idx(i, j);
int nextIdx = idx(ni, nj);
if (C[ni][nj] == '.') {
g[curIdx].push_back({nextIdx, cost[k]});
}
if (C[ni][nj] == '@') {
g[curIdx].push_back({nextIdx, cost[k] + P});
}
}
}
}
}
auto d = dijkstra(s, g);
cout << (d[t] <= K ? YES : NO) << endl;
}