結果
問題 | No.1638 Robot Maze |
ユーザー |
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提出日時 | 2021-12-11 20:15:17 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 4 ms / 2,000 ms |
コード長 | 2,649 bytes |
コンパイル時間 | 927 ms |
コンパイル使用メモリ | 89,252 KB |
最終ジャッジ日時 | 2025-01-26 07:58:33 |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
#include <algorithm>#include <iostream>#include <numeric>#include <string>#include <tuple>#include <utility>#include <vector>#define rep(i, a, b) for (int i = int(a); i < int(b); i++)using namespace std;using ll = long long int;using P = pair<ll, ll>;// clang-format off#ifdef _DEBUG_#define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; debug_print(__VA_ARGS__); } while(false)template<typename T, typename... Ts> void debug_print(const T &t, const Ts &...ts) { cerr << t; ((cerr << ", " << ts), ...); cerr << endl; }#else#define dump(...) do{ } while(false)#endiftemplate<typename T> vector<T> make_v(size_t a, T b) { return vector<T>(a, b); }template<typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v(ts...))>(a, make_v(ts...)); }template<typename T> bool chmin(T &a, const T& b) { if (a > b) {a = b; return true; } return false; }template<typename T> bool chmax(T &a, const T& b) { if (a < b) {a = b; return true; } return false; }template<typename T, typename... Ts> void print(const T& t, const Ts&... ts) { cout << t; ((cout << ' ' << ts), ...); cout << '\n'; }template<typename... Ts> void input(Ts&... ts) { (cin >> ... >> ts); }template<typename T> istream &operator,(istream &in, T &t) { return in >> t; }// clang-format on#include <queue>using T = tuple<ll, int, int>;int main() {cin.tie(nullptr);ios::sync_with_stdio(false);int h, w;cin, h, w;ll cost[4];rep(i, 0, 4) {cin, cost[i];}ll k, p;cin, k, p;int xs, ys, xg, yg;cin, ys, xs, yg, xg;auto mp = make_v(h + 2, w + 2, '#');rep(i, 1, h + 1) {rep(j, 1, w + 1) {cin, mp[i][j];}}const ll inf = 1LL << 60;vector<ll> Cost((h + 2) * (w + 2), inf);priority_queue<T, vector<T>, greater<T>> pq;pq.emplace(0, xs, ys);auto index = [&](int x, int y) { return y * (w + 2) + x; };Cost[index(xs, ys)] = 0;int dy[4] = {-1, 1, 0, 0}, dx[4] = {0, 0, 1, -1};while (pq.size()) {auto [c, x, y] = pq.top();pq.pop();int idx = index(x, y);if (Cost[idx] < c) continue;Cost[idx] = c;rep(t, 0, 4) {int nx = x + dx[t], ny = y + dy[t];int nidx = index(nx, ny);if (mp[ny][nx] == '#') continue;ll nc = c + cost[t];if (mp[ny][nx] == '@') {nc += p;}if (chmin(Cost[nidx], nc)) {pq.emplace(nc, nx, ny);}}}print(Cost[index(xg, yg)] <= k ? "Yes" : "No");return 0;}