結果
問題 | No.421 しろくろチョコレート |
ユーザー | koyumeishi |
提出日時 | 2016-09-07 21:24:12 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 15 ms / 2,000 ms |
コード長 | 8,201 bytes |
コンパイル時間 | 1,130 ms |
コンパイル使用メモリ | 112,696 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-23 07:04:04 |
合計ジャッジ時間 | 2,907 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
6,812 KB |
testcase_01 | AC | 5 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 4 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 3 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 6 ms
6,944 KB |
testcase_17 | AC | 10 ms
6,940 KB |
testcase_18 | AC | 13 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 6 ms
6,940 KB |
testcase_21 | AC | 5 ms
6,944 KB |
testcase_22 | AC | 3 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 3 ms
6,940 KB |
testcase_29 | AC | 3 ms
6,944 KB |
testcase_30 | AC | 3 ms
6,944 KB |
testcase_31 | AC | 5 ms
6,940 KB |
testcase_32 | AC | 3 ms
6,940 KB |
testcase_33 | AC | 5 ms
6,944 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,940 KB |
testcase_36 | AC | 4 ms
6,944 KB |
testcase_37 | AC | 14 ms
6,944 KB |
testcase_38 | AC | 14 ms
6,944 KB |
testcase_39 | AC | 3 ms
6,944 KB |
testcase_40 | AC | 3 ms
6,940 KB |
testcase_41 | AC | 3 ms
6,944 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 3 ms
6,944 KB |
testcase_44 | AC | 3 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 2 ms
6,940 KB |
testcase_47 | AC | 5 ms
6,940 KB |
testcase_48 | AC | 5 ms
6,944 KB |
testcase_49 | AC | 3 ms
6,940 KB |
testcase_50 | AC | 3 ms
6,940 KB |
testcase_51 | AC | 4 ms
6,944 KB |
testcase_52 | AC | 3 ms
6,944 KB |
testcase_53 | AC | 2 ms
6,944 KB |
testcase_54 | AC | 2 ms
6,940 KB |
testcase_55 | AC | 2 ms
6,944 KB |
testcase_56 | AC | 2 ms
6,940 KB |
testcase_57 | AC | 2 ms
6,944 KB |
testcase_58 | AC | 5 ms
6,944 KB |
testcase_59 | AC | 2 ms
6,940 KB |
testcase_60 | AC | 15 ms
6,944 KB |
testcase_61 | AC | 6 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
6,940 KB |
ソースコード
/* ### # ############# # ####################### ################################ ######################################### ############################################## # ##################################### # ###### ############################ ###### ########### ################### # ########## ################ ######### ############### #################### # #################### ####### ############## ######################## ######## ######### ######################## ########### ####### ######################## ############## # ####### ######################## ######################## ######################## ######################## ######################## ######################## ######################## ###################### ####################### ################### ################### ############## ############### ########## ########## ###### ###### ## ## # # # # # # # # # # # #### #### #### #### #### # # # # # ## # # # # # # #____# ## # #/ # # ## # # # # # # # #^^^^ # ## ###/# # # # #### #### ###/# #### # # ## */ #include <iostream> #include <vector> #include <cstdio> #include <sstream> #include <map> #include <string> #include <algorithm> #include <queue> #include <cmath> #include <functional> #include <set> #include <ctime> #include <random> #include <chrono> #include <cassert> using namespace std; namespace { using Integer = long long; //__int128; template<class T> istream& operator >> (istream& is, vector<T>& vec){for(T& val: vec) is >> val; return is;} template<class T> istream& operator , (istream& is, T& val){ return is >> val;} template<class T> ostream& operator << (ostream& os, const vector<T>& vec){for(int i=0; i<vec.size(); i++) os << vec[i] << (i==vec.size()-1?"":" "); return os;} template<class T> ostream& operator , (ostream& os, const T& val){ return os << " " << val;} template<class H> void print(const H& head){ cout << head; } template<class H, class ... T> void print(const H& head, const T& ... tail){ cout << head << " "; print(tail...); } template<class ... T> void println(const T& ... values){ print(values...); cout << endl; } template<class H> void eprint(const H& head){ cerr << head; } template<class H, class ... T> void eprint(const H& head, const T& ... tail){ cerr << head << " "; eprint(tail...); } template<class ... T> void eprintln(const T& ... values){ eprint(values...); cerr << endl; } class range{ long long start_, end_, step_; public: struct range_iterator{ long long val, step_; range_iterator(long long v, long long step) : val(v), step_(step) {} long long operator * (){return val;} void operator ++ (){val += step_;} bool operator != (range_iterator& x){return step_ > 0 ? val < x.val : val > x.val;} }; range(long long len) : start_(0), end_(len), step_(1) {} range(long long start, long long end) : start_(start), end_(end), step_(1) {} range(long long start, long long end, long long step) : start_(start), end_(end), step_(step) {} range_iterator begin(){ return range_iterator(start_, step_); } range_iterator end(){ return range_iterator( end_, step_); } }; string operator "" _s (const char* str, size_t size){ return move(string(str)); } constexpr Integer my_pow(Integer x, Integer k, Integer z=1){return k==0 ? z : k==1 ? z*x : (k&1) ? my_pow(x*x,k>>1,z*x) : my_pow(x*x,k>>1,z);} constexpr Integer my_pow_mod(Integer x, Integer k, Integer M, Integer z=1){return k==0 ? z%M : k==1 ? z*x%M : (k&1) ? my_pow_mod(x*x%M,k>>1,M,z*x%M) : my_pow_mod(x*x%M,k>>1,M,z);} constexpr unsigned long long operator "" _ten (unsigned long long value){ return my_pow(10,value); } inline int k_bit(Integer x, int k){return (x>>k)&1;} //0-indexed mt19937 mt(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()); template<class T> string join(const vector<T>& v, const string& sep){ stringstream ss; for(int i=0; i<v.size(); i++){ if(i>0) ss << sep; ss << v[i]; } return ss.str(); } string operator * (string s, int k){ string ret; while(k){ if(k&1) ret += s; s += s; k >>= 1; } return ret; } } constexpr long long mod = 9_ten + 7; struct edge{ int to; int cap; int rev; }; int Ford_Fulkerson_dfs(vector<vector<edge> > &G, int pos, int flow, vector<bool> &used, int t){ if(pos == t){ return flow; }else{ used[pos] = true; for(int i=0; i<G[pos].size(); i++){ if(!used[G[pos][i].to] && G[pos][i].cap >0){ int myflow = Ford_Fulkerson_dfs(G, G[pos][i].to, min(flow, G[pos][i].cap), used, t); if(myflow > 0){ G[pos][i].cap -= myflow; G[ G[pos][i].to ][ G[pos][i].rev ].cap += myflow; return myflow; } } } return 0; } } int Ford_Fulkerson(vector<vector<edge> > &G, int s, int t){ const int INF = 100000000; int flow=0; for(;;){ vector<bool> used(G.size(), false); int f = Ford_Fulkerson_dfs(G, s, INF, used, t); if(f==0) break; else flow += f; } return flow; } void add_edge(vector<vector<edge> > &G, int from, int to, int cap){ G[from].push_back( (edge){to, cap, (int)G[to].size()} ); G[to].push_back( (edge){from, 0, (int)G[from].size()-1} ); } int dx[] = {0, 0, 1,-1, 1, 1,-1,-1}; int dy[] = {1,-1, 0, 0, 1,-1, 1,-1}; int main(){ int h,w; cin >> h,w; vector<string> s(h); cin >> s; vector<vector<edge>> G(h*w + 2); int source = h*w; int sink = h*w + 1; int cnt_b = 0, cnt_w = 0; for(auto y : range(h) ){ for(auto x : range(w) ){ if(s[y][x] == '.') continue; if(s[y][x] == 'b'){ cnt_b++; add_edge(G, y*w + x, sink, 1); }else{ cnt_w++; add_edge(G, source, y*w + x, 1); for(int k__=0; k__<4; k__++){ int new_x = x + dx[k__]; int new_y = y + dy[k__]; if(new_x < 0 || new_x >= w || new_y < 0 || new_y >= h) continue; if(s[new_y][new_x] == '.') continue; add_edge(G, y*w + x, new_y*w + new_x, 1); } } } } int f = Ford_Fulkerson(G, source, sink); int ans = f*100; cnt_b -= f; cnt_w -= f; ans += min(cnt_b, cnt_w) * 10; ans += max(cnt_b, cnt_w) - min(cnt_b, cnt_w); println(ans); return 0; }