結果
問題 | No.421 しろくろチョコレート |
ユーザー | hashiryo |
提出日時 | 2023-03-14 16:05:24 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 5,627 bytes |
コンパイル時間 | 2,440 ms |
コンパイル使用メモリ | 220,620 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-18 08:09:07 |
合計ジャッジ時間 | 3,909 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 3 ms
5,376 KB |
testcase_17 | AC | 3 ms
5,376 KB |
testcase_18 | AC | 3 ms
5,376 KB |
testcase_19 | AC | 1 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 1 ms
5,376 KB |
testcase_24 | AC | 1 ms
5,376 KB |
testcase_25 | AC | 1 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 1 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 1 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 1 ms
5,376 KB |
testcase_35 | AC | 1 ms
5,376 KB |
testcase_36 | AC | 2 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 3 ms
5,376 KB |
testcase_39 | AC | 2 ms
5,376 KB |
testcase_40 | AC | 2 ms
5,376 KB |
testcase_41 | AC | 2 ms
5,376 KB |
testcase_42 | AC | 2 ms
5,376 KB |
testcase_43 | AC | 2 ms
5,376 KB |
testcase_44 | AC | 2 ms
5,376 KB |
testcase_45 | AC | 2 ms
5,376 KB |
testcase_46 | AC | 2 ms
5,376 KB |
testcase_47 | AC | 2 ms
5,376 KB |
testcase_48 | AC | 2 ms
5,376 KB |
testcase_49 | AC | 2 ms
5,376 KB |
testcase_50 | AC | 2 ms
5,376 KB |
testcase_51 | AC | 2 ms
5,376 KB |
testcase_52 | AC | 2 ms
5,376 KB |
testcase_53 | AC | 2 ms
5,376 KB |
testcase_54 | AC | 2 ms
5,376 KB |
testcase_55 | AC | 2 ms
5,376 KB |
testcase_56 | AC | 2 ms
5,376 KB |
testcase_57 | AC | 2 ms
6,944 KB |
testcase_58 | AC | 2 ms
6,940 KB |
testcase_59 | AC | 1 ms
6,944 KB |
testcase_60 | AC | 2 ms
6,940 KB |
testcase_61 | AC | 3 ms
6,940 KB |
testcase_62 | AC | 2 ms
6,944 KB |
testcase_63 | AC | 2 ms
6,940 KB |
testcase_64 | AC | 2 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> // clang-format off std::ostream&operator<<(std::ostream&os,std::int8_t x){return os<<(int)x;} std::ostream&operator<<(std::ostream&os,std::uint8_t x){return os<<(int)x;} std::ostream&operator<<(std::ostream&os,const __int128_t &v){if(!v)os<<"0";__int128_t tmp=v<0?(os<<"-",-v):v;std::string s;while(tmp)s+='0'+(tmp%10),tmp/=10;return std::reverse(s.begin(),s.end()),os<<s;} std::ostream&operator<<(std::ostream&os,const __uint128_t &v){if(!v)os<<"0";__uint128_t tmp=v;std::string s;while(tmp)s+='0'+(tmp%10),tmp/=10;return std::reverse(s.begin(),s.end()),os<<s;} #define checkpoint() (void(0)) #define debug(x) (void(0)) #define debugArray(x,n) (void(0)) #define debugMatrix(x,h,w) (void(0)) // clang-format on #ifdef __LOCAL // clang-format off #undef checkpoint #undef debug #undef debugArray #undef debugMatrix template<class T, class U>std::ostream &operator<<(std::ostream&os,const std::pair<T,U>&x){return os<<"("<<x.first<<", "<<x.second<<")";} template<typename T>std::ostream &operator<<(std::ostream&os,const std::vector<T>&vec){os<<'[';for(int _=0,__= vec.size();_<__;++_)os<<(_ ?", ":"")<<vec[_];return os<<']';} template<typename T>std::ostream &operator<<(std::ostream&os,const std::set<T>&s){os<<'{';int _=0;for(const auto &x:s)os<<(_++ ? ", " : "")<<x; return os << '}';} template<typename T,std::size_t _Nm>std::ostream&operator<<(std::ostream &os,const std::array<T, _Nm> &arr) {os<<'['<<arr[0];for(std::size_t _=1;_<_Nm;++_)os<<", "<<arr[_];return os<<']';} template<class Tup,std::size_t... I>void print(std::ostream&os,const Tup &x,std::index_sequence<I...>){(void)(int[]){(os<<std::get<I>(x)<<", ",0)...};} template<class... Args>std::ostream &operator<<(std::ostream&os,const std::tuple<Args...> &x) {static constexpr std::size_t N = sizeof...(Args);os<<"(";if constexpr(N>=2)print(os,x,std::make_index_sequence<N-1>());return os<<std::get<N-1>(x)<<")";} const std::string COLOR_RESET="\033[0m",BRIGHT_GREEN="\033[1;32m",BRIGHT_RED="\033[1;31m",BRIGHT_CYAN="\033[1;36m",NORMAL_CROSSED="\033[0;9;37m",ITALIC="\033[3m",BOLD="\033[1m",RED_BACKGROUND="\033[1;41m",NORMAL_FAINT="\033[0;2m"; #define func_LINE_FILE NORMAL_FAINT<<" in "<<BOLD<<__func__<<NORMAL_FAINT<<ITALIC<<" (L"<<__LINE__<<") "<< __FILE__<<COLOR_RESET #define checkpoint() std::cerr<<BRIGHT_RED<<"< check point! >"<<func_LINE_FILE<<'\n' #define debug(x) std::cerr<<BRIGHT_CYAN<<#x<<COLOR_RESET<<" = "<<(x)<<func_LINE_FILE<<'\n' #define debugArray(x, n) do{std::cerr<<BRIGHT_CYAN<<#x<<COLOR_RESET<<" = ["<<x[0];for(int _=1;_<(int)(n);++_)std::cerr<<", "<<x[_];std::cerr<<"]"<<func_LINE_FILE<<'\n';}while(0) #define debugMatrix(x, h, w) do{std::cerr<<BRIGHT_CYAN<<#x<<"\n"<<COLOR_RESET<<"= ";for(int _=0;(_)<(int)(h);++_){std::cerr<<((_?" [":"[["));for(int __=0;__<(int)(w);++__)std::cerr<<((__?", ":""))<<x[_][__];std::cerr<<"]"<<(_+1==(int)(h)?"]":",\n");}std::cerr<<func_LINE_FILE<<'\n';}while(0) #endif // clang-format on class Matching { int n, ret; std::vector<std::vector<int>> adj; std::vector<int> mt, idx, p; std::vector<std::array<int, 2>> es; void rematch(int u, int v, int w= -1) { if (w= mt[u], mt[u]= v; w == -1 || mt[w] != u) return; if (es[u][1] == -1) { rematch(mt[w]= es[u][0], w); } else rematch(es[u][0], es[u][1]), rematch(es[u][1], es[u][0]); } int f(int x) { return (idx[x] != ret || p[x] == -1) ? x : (p[x]= f(p[x])); } bool check(int root) { std::queue<int> que; es[root]= {-1, -1}, idx[root]= ret, p[root]= -1, que.push(root); for (int x, u, v, w; !que.empty();) { x= que.front(), que.pop(); for (int y: adj[x]) { if (y == root) continue; if (mt[y] == -1) { return rematch(mt[y]= x, y), true; } else if (idx[y] == ret) { if (u= f(x), v= f(y), w= root; u == v) continue; for (; u != root || v != root; es[u]= {x, y}, u= f(es[mt[u]][0])) { if (v != root) std::swap(u, v); if (es[u][0] == x && es[u][1] == y) { w= u; break; } } for (int t= f(x); t != w; t= f(es[mt[t]][0])) idx[t]= ret, p[t]= w, que.push(t); for (int t= f(y); t != w; t= f(es[mt[t]][0])) idx[t]= ret, p[t]= w, que.push(t); } else if (idx[mt[y]] != ret) es[y]= {-1, -1}, es[mt[y]]= {x, -1}, idx[mt[y]]= ret, p[mt[y]]= y, que.push(mt[y]); } } return false; } public: Matching(int n): n(n), ret(0), adj(n), mt(n, -1), idx(n, -1), p(n), es(n) {} void add_edge(int u, int v) { adj[u].push_back(v), adj[v].push_back(u); } std::pair<int, std::vector<int>> get_matching() { for (int i= 0; i < n; i++) if (mt[i] == -1) ret+= check(i); return std::make_pair(ret, mt); } }; using namespace std; namespace yukicoder421 { signed main() { cin.tie(0); ios::sync_with_stdio(false); int N, M; cin >> N >> M; vector<string> S(N); int bsize= 0, wsize= 0; for (int i= 0; i < N; i++) { cin >> S[i]; for (int j= 0; j < M; j++) bsize+= S[i][j] == 'b', wsize+= S[i][j] == 'w'; } Matching graph(N * M); int e= 0; for (int i= 0; i < N; i++) { for (int j= 0; j < M; j++) if ((i + j) & 1 && S[i][j] == 'b') { if (i > 0 && S[i - 1][j] == 'w') graph.add_edge(i * M + j, (i - 1) * M + j); if (i + 1 < N && S[i + 1][j] == 'w') graph.add_edge(i * M + j, (i + 1) * M + j); if (j > 0 && S[i][j - 1] == 'w') graph.add_edge(i * M + j, i * M + j - 1); if (j + 1 < M && S[i][j + 1] == 'w') graph.add_edge(i * M + j, i * M + j + 1); } } if (bsize > wsize) swap(bsize, wsize); int x= graph.get_matching().first; int ans= 100 * x + 10 * (bsize - x) + wsize - bsize; cout << ans << '\n'; return 0; } } signed main() { cin.tie(0); ios::sync_with_stdio(0); yukicoder421::main(); return 0; }