結果
問題 |
No.3199 Key-Door Grid
|
ユーザー |
👑 ![]() |
提出日時 | 2025-07-12 18:58:56 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 95 ms / 3,000 ms |
コード長 | 6,625 bytes |
コンパイル時間 | 2,215 ms |
コンパイル使用メモリ | 206,968 KB |
実行使用メモリ | 14,464 KB |
最終ジャッジ日時 | 2025-07-12 18:59:01 |
合計ジャッジ時間 | 4,836 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 37 |
コンパイルメッセージ
c.cpp: In function ‘void solve()’: c.cpp:59:41: warning: ‘gx’ may be used uninitialized [-Wmaybe-uninitialized] c.cpp:25:17: note: ‘gx’ was declared here c.cpp:59:45: warning: ‘gy’ may be used uninitialized [-Wmaybe-uninitialized] c.cpp:25:21: note: ‘gy’ was declared here In file included from /usr/include/c++/13/bits/memory_resource.h:47, from /usr/include/c++/13/vector:80, from /Users/Shared/po167_library/ds/Dequq.hpp:2: In constructor ‘constexpr std::_Tuple_impl<_Idx, _Head, _Tail ...>::_Tuple_impl(std::_Tuple_impl<_Idx, _Head, _Tail ...>&&) [with long unsigned int _Idx = 1; _Head = int; _Tail = {int}]’, inlined from ‘constexpr std::_Tuple_impl<_Idx, _Head, _Tail ...>::_Tuple_impl(std::_Tuple_impl<_Idx, _Head, _Tail ...>&&) [with long unsigned int _Idx = 0; _Head = int; _Tail = {int, int}]’ at /usr/include/c++/13/tuple:302:7, inlined from ‘constexpr std::tuple< <template-parameter-1-1> >::tuple(std::tuple< <template-parameter-1-1> >&&) [with _Elements = {int, int, int}]’ at /usr/include/c++/13/tuple:903:17, inlined from ‘void po167::Deque<T>::emplace_back(Args&& ...) [with Args = {std::tuple<int, int, int>}; T = std::tuple<int, int, int>]’ at /Users/Shared/po167_library/ds/Dequq.hpp:101:9, inlined from ‘void po167::Deque<T>::push_back(T&&) [with T = std::tuple<int, int, int>]’ at /Users/Shared/po167_library/ds/Dequq.hpp:25:41, inlined from ‘void solve()’ at c.cpp:32:16: /usr/include/c++/13/tuple:302:7: warning: ‘sx’ may be used uninitialized [-Wmaybe-uninitialized] 302 | _Tuple_impl(_Tuple_impl&&) = default; | ^~~~~~~~~~~ c.cpp: In function ‘void solve()’: c.cpp:25:9: note: ‘sx’ was declared here In constructor ‘constexpr std::_Tuple_impl<_Idx, _Head>::_Tuple_impl(std::_Tuple_impl<_Idx, _Head>&&) [with long unsigned int _Idx = 2; _Head = int]’, inlined from ‘constexpr std::_Tuple_impl<_Idx, _Head, _Tail ...>::_Tuple_impl(std:
ソースコード
//#include "po167_library/ds/Dequq.hpp" // //#include <bits/stdc++.h> //using namespace std; //#define rep(i, a, b) for (int i = (int)(a); i < (int)(b); i++) //const int INF = 2100000000; //template<class T> bool chmin(T &a, T b){return (a > b ? a = b, 1 : 0);} // //void solve(); //// POP'N ROLL MUSIC / TOMOO //int main() { // ios::sync_with_stdio(false); // cin.tie(nullptr); // // int t = 1; // // cin >> t; // rep(i, 0, t) solve(); //} // //void solve(){ // int H, W, M; // cin >> H >> W >> M; // vector<string> S(H); // rep(i, 0, H) cin >> S[i]; // int sx, sy, gx, gy; // rep(i, 0, H) rep(j, 0, W){ // if (S[i][j] == 'S') sx = i, sy = j; // if (S[i][j] == 'G') gx = i, gy = j; // } // vector dp(M + 1, vector(H, vector<int>(W, INF))); // po167::Deque<tuple<int, int, int>> q; // q.push_back({0, sx, sy}); // dp[0][sx][sy] = 0; // vector<int> dx = {0, 0, 1, -1}, dy = {1, -1, 0, 0}; // while (!q.empty()){ // auto [c, x, y] = q.front(); // q.pop_front(); // if ('1' <= S[x][y] && S[x][y] <= '9' && S[x][y] != (char)('0' + c)){ // int d = S[x][y] - '0'; // if (dp[d][x][y] == INF){ // dp[d][x][y] = dp[c][x][y]; // q.push_front({d, x, y}); // } // continue; // } // if ('a' <= S[x][y] && S[x][y] <= 'z' && S[x][y] != (char)('a' + c - 1)) continue; // rep(k, 0, 4){ // int s = dx[k] + x; // int t = dy[k] + y; // if (s < 0 || H <= s || t < 0 || W <= t) continue; // if (S[s][t] == '#') continue; // if (chmin(dp[c][s][t], dp[c][x][y] + 1)){ // q.push_back({c, s, t}); // continue; // } // } // } // int ans = INF; // rep(i, 0, M + 1) chmin(ans, dp[i][gx][gy]); // if (ans == INF) ans = -1; // cout << ans << "\n"; //} #line 2 "/Users/Shared/po167_library/ds/Dequq.hpp" #include <vector> #include <cassert> namespace po167{ // GPT 作 template<typename T> struct Deque { Deque() : _cap(8), _size(0), _head(0) { _data = static_cast<T*>(operator new[](sizeof(T) * _cap)); } ~Deque() { clear(); operator delete[](_data); } // 要素数 int size() const { return _size; } bool empty() const { return _size == 0; } // 前後に要素を追加 void push_back(const T& v) { emplace_back(v); } void push_back(T&& v) { emplace_back(std::move(v)); } void push_front(const T& v) { emplace_front(v); } void push_front(T&& v) { emplace_front(std::move(v)); } // 前後から取り出し void pop_back() { assert(!empty()); int idx = (_head + _size - 1) & (_cap - 1); _data[idx].~T(); --_size; } void pop_front() { assert(!empty()); _data[_head].~T(); _head = ( _head + 1 ) & (_cap - 1); --_size; } // 前後の参照 T& front() { assert(!empty()); return _data[_head]; } T& back() { assert(!empty()); int idx = (_head + _size - 1) & (_cap - 1); return _data[idx]; } // 添字アクセス (0 ≤ i < size()) T& operator[](int i) { assert(i >= 0 && i < _size); return _data[( _head + i ) & (_cap - 1)]; } const T& operator[](int i) const { assert(i >= 0 && i < _size); return _data[( _head + i ) & (_cap - 1)]; } // 全要素をクリア void clear() { for(int i = 0; i < _size; i++){ int idx = (_head + i) & (_cap - 1); _data[idx].~T(); } _size = 0; _head = 0; } private: T* _data; int _cap; // 必ず2のべき乗 int _size; int _head; // 先頭要素のインデックス // 空きがなければ拡張 void ensure_capacity() { if (_size < _cap) return; int new_cap = _cap << 1; T* new_data = static_cast<T*>(operator new[](sizeof(T) * new_cap)); // 要素を head から順にコピー for(int i = 0; i < _size; i++){ new (&new_data[i]) T(std::move((*this)[i])); (*this)[i].~T(); } operator delete[](_data); _data = new_data; _cap = new_cap; _head = 0; } // 前後に emplace template<typename... Args> void emplace_back(Args&&... args) { ensure_capacity(); int idx = (_head + _size) & (_cap - 1); new(&_data[idx]) T(std::forward<Args>(args)...); ++_size; } template<typename... Args> void emplace_front(Args&&... args) { ensure_capacity(); _head = (_head - 1) & (_cap - 1); new(&_data[_head]) T(std::forward<Args>(args)...); ++_size; } }; } #line 2 "c.cpp" #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i = (int)(a); i < (int)(b); i++) const int INF = 2100000000; template<class T> bool chmin(T &a, T b){return (a > b ? a = b, 1 : 0);} void solve(); // POP'N ROLL MUSIC / TOMOO int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t = 1; // cin >> t; rep(i, 0, t) solve(); } void solve(){ int H, W, M; cin >> H >> W >> M; vector<string> S(H); rep(i, 0, H) cin >> S[i]; int sx, sy, gx, gy; rep(i, 0, H) rep(j, 0, W){ if (S[i][j] == 'S') sx = i, sy = j; if (S[i][j] == 'G') gx = i, gy = j; } vector dp(M + 1, vector(H, vector<int>(W, INF))); po167::Deque<tuple<int, int, int>> q; q.push_back({0, sx, sy}); dp[0][sx][sy] = 0; vector<int> dx = {0, 0, 1, -1}, dy = {1, -1, 0, 0}; while (!q.empty()){ auto [c, x, y] = q.front(); q.pop_front(); if ('1' <= S[x][y] && S[x][y] <= '9' && S[x][y] != (char)('0' + c)){ int d = S[x][y] - '0'; if (dp[d][x][y] == INF){ dp[d][x][y] = dp[c][x][y]; q.push_front({d, x, y}); } continue; } if ('a' <= S[x][y] && S[x][y] <= 'z' && S[x][y] != (char)('a' + c - 1)) continue; rep(k, 0, 4){ int s = dx[k] + x; int t = dy[k] + y; if (s < 0 || H <= s || t < 0 || W <= t) continue; if (S[s][t] == '#') continue; if (chmin(dp[c][s][t], dp[c][x][y] + 1)){ q.push_back({c, s, t}); continue; } } } int ans = INF; rep(i, 0, M + 1) chmin(ans, dp[i][gx][gy]); if (ans == INF) ans = -1; cout << ans << "\n"; }