結果
問題 | No.367 ナイトの転身 |
ユーザー | firiexp |
提出日時 | 2019-12-07 21:38:22 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
CE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 2,430 bytes |
コンパイル時間 | 759 ms |
コンパイル使用メモリ | 96,316 KB |
最終ジャッジ日時 | 2024-11-14 21:55:56 |
合計ジャッジ時間 | 1,201 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
(要ログイン)
コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
main.cpp:16:39: error: '::numeric_limits' has not been declared 16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; | ^~~~~~~~~~~~~~ main.cpp:16:55: error: expected primary-expression before '>' token 16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; | ^ main.cpp:16:61: error: no matching function for call to 'max()' 16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; | ~~~~~^~ In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/string:50, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/locale_classes.h:40, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/ios_base.h:41, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ios:42, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:38, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/iostream:39, from main.cpp:1: /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)' 254 | max(const _Tp& __a, const _Tp& __b) | ^~~ /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed: main.cpp:16:61: note: candidate expects 2 arguments, 0 provided 16 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; | ~~~~~^~ /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:300:5: note: candidate: 'templat
ソースコード
#include <iostream> #include <algorithm> #include <iomanip> #include <map> #include <set> #include <queue> #include <stack> #include <numeric> #include <bitset> #include <cmath> static const int MOD = 1000000007; using ll = long long; using namespace std; template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; template <class T, class U> vector<T> make_v(U size, const T& init){ return vector<T>(static_cast<size_t>(size), init); } template<class... Ts, class U> auto make_v(U size, Ts... rest) { return vector<decltype(make_v(rest...))>(static_cast<size_t>(size), make_v(rest...)); } template<class T> void chmin(T &a, const T &b){ a = (a < b ? a : b); } template<class T> void chmax(T &a, const T &b){ a = (a > b ? a : b); } int main() { int h, w; cin >> h >> w; vector<string> v(h); int sy = 0, sx = 0, gy = 0, gx = 0; for (int i = 0; i < h; ++i) { cin >> v[i]; for (int j = 0; j < w; ++j) { if(v[i][j] == 'S') sy = i, sx = j; if(v[i][j] == 'G') gy = i, gx = j; } } array<int, 8> dy1{1, 2, 2, 1, -1, -2, -2, -1}, dx1{-2, -1, 1, 2, 2, 1, -1, -2}; array<int, 4> dy2{1, 1, -1, -1}, dx2{1, -1, 1, -1}; queue<tuple<int, int, int>> Q; Q.emplace(0, sy, sx); auto d = make_v(2, h, w, INF<int>); auto in = [&](int y, int x){ return 0 <= y && y < h && 0 <= x && x < w; }; d[0][sy][sx] = 0; while(!Q.empty()){ int a, y, x; tie(a, y, x) = Q.front(); Q.pop(); if(!a){ for (int k = 0; k < 8; ++k) { if(in(y+dy1[k], x+dx1[k]) && d[a^(v[y+dy1[k]][x+dx1[k]] == 'R')][y+dy1[k]][x+dx1[k]] == INF<int>){ int b = a^(v[y+dy1[k]][x+dx1[k]] == 'R'); d[b][y+dy1[k]][x+dx1[k]] = d[a][y][x] + 1; Q.emplace(b, y+dy1[k], x+dx1[k]); } } }else { for (int k = 0; k < 4; ++k) { if(in(y+dy2[k], x+dx2[k]) && d[a^(v[y+dy2[k]][x+dx2[k]] == 'R')][y+dy2[k]][x+dx2[k]] == INF<int>){ int b = a^(v[y+dy2[k]][x+dx2[k]] == 'R'); d[b][y+dy2[k]][x+dx2[k]] = d[a][y][x] + 1; Q.emplace(b, y+dy2[k], x+dx2[k]); } } } } int ans = min(d[0][gy][gx], d[1][gy][gx]); if(ans == INF<int>) puts("-1"); else cout << ans << "\n"; return 0; }