結果
問題 | No.421 しろくろチョコレート |
ユーザー | 小指が強い人 |
提出日時 | 2016-09-20 02:10:02 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 4,036 bytes |
コンパイル時間 | 2,095 ms |
コンパイル使用メモリ | 182,500 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-23 07:09:16 |
合計ジャッジ時間 | 3,722 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
6,816 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,948 KB |
testcase_07 | AC | 2 ms
6,940 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 | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 1 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 3 ms
6,940 KB |
testcase_18 | AC | 3 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 3 ms
6,944 KB |
testcase_31 | AC | 3 ms
6,944 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,944 KB |
testcase_35 | AC | 2 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 3 ms
6,940 KB |
testcase_38 | AC | 3 ms
6,940 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 2 ms
6,944 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,940 KB |
testcase_44 | AC | 2 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 2 ms
6,944 KB |
testcase_47 | AC | 2 ms
6,944 KB |
testcase_48 | AC | 3 ms
6,944 KB |
testcase_49 | AC | 2 ms
6,940 KB |
testcase_50 | AC | 2 ms
6,944 KB |
testcase_51 | AC | 3 ms
6,940 KB |
testcase_52 | AC | 2 ms
6,940 KB |
testcase_53 | AC | 2 ms
6,944 KB |
testcase_54 | AC | 2 ms
6,940 KB |
testcase_55 | AC | 2 ms
6,940 KB |
testcase_56 | AC | 2 ms
6,944 KB |
testcase_57 | AC | 2 ms
6,948 KB |
testcase_58 | AC | 2 ms
6,940 KB |
testcase_59 | AC | 2 ms
6,940 KB |
testcase_60 | AC | 3 ms
6,944 KB |
testcase_61 | AC | 3 ms
6,944 KB |
testcase_62 | AC | 2 ms
6,940 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" using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> veci; typedef vector<ll> vecll; typedef vector<string> vecs; template<class T,class U> using Hash=unordered_map<T,U>; #define REP(i, a, n) for(ll i = a; i < (ll)(n); i++) #define RREP(i, a, n) for(ll i = n-1; i >= (ll)(a); i--) #define rep(i, n) REP(i, 0, n) #define rrep(i, n) RREP(i, 0, n) #define MD 1000000007 #define _SPLIT " " template<class T> T read(){T a;cin >> a;return a;} template<class T> void read(T& a){cin >> a;} template<class T,class ...Args> void read(T& a, Args&... args){cin >> a; read(args...);} template<class T> void rarr(T a, int n){for(int i = 0; i < n; i++) {cin >> a[i];}} template<class T> void write(T a){cout << setprecision(12) << a << endl;} template<class T,class ...Args> void write(T a, Args... args){cout << setprecision(12) << a << _SPLIT; write(args...);} template<class T> void warr(vector<T> a, const char* c = " "){cout << a[0];for(int i = 1; i < (int)a.size(); i++)cout << c << a[i];cout << endl;;} template<class T> void warr(T a, int n, const char* c = " "){cout << a[0];for(int i = 1; i < n; i++)cout << c << a[i];cout << endl;} void split(string s, string delim, veci& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(atoi(s.substr(pos).data()));break;}else {result.push_back(atoi(s.substr(pos, p - pos).data()));}pos = p + delim.size();}} void split(string s, string delim, vecs& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(s.substr(pos));break;}else {result.push_back(s.substr(pos, p - pos));}pos = p + delim.size();}} ll gcd(ll a, ll b){while(true){ll k = a % b;if(k == 0)return b;a = b;b = k;}} ll comb(ll n, ll m){ll p=1;m=min(m,n-m);for(ll i=1;i<=m;i++){p*=n-i+1;p/=i;}return p;} typedef int Weight; struct Edge { int src, dst; Weight weight; Edge(int src, int dst, Weight weight=1) : src(src), dst(dst), weight(weight) { } }; bool operator < (const Edge &e, const Edge &f) { return e.weight != f.weight ? e.weight > f.weight : // !!INVERSE!! e.src != f.src ? e.src < f.src : e.dst < f.dst; } typedef vector<Edge> Edges; typedef vector<Edges> Graph; typedef vector<Weight> Array; typedef vector<Array> Matrix; bool augment(const Graph& g, int u, vector<int>& matchTo, vector<bool>& visited) { if (u < 0) return true; for(auto& e:g[u]) if (!visited[e.dst]) { visited[e.dst] = true; if (augment(g, matchTo[e.dst], matchTo, visited)) { matchTo[e.src] = e.dst; matchTo[e.dst] = e.src; return true; } } return false; } int bipartiteMatching(const Graph& g, int L, Edges& matching) { const int n = g.size(); vector<int> matchTo(n, -1); int match = 0; rep(u, L) { vector<bool> visited(n); if (augment(g, u, matchTo, visited)) ++match; } rep(u, L) if (matchTo[u] >= 0) // make explicit matching matching.push_back( Edge(u, matchTo[u]) ); return match; } int dx[]={1,0,-1,0}; int dy[]={0,1,0,-1}; int main(void) { int n,m; string s[50]; int sn[50][50]={0}; read(n,m); rarr(s,n); int sw=0,sb=0; rep(i,n)rep(j,m){ if(s[i][j]=='w')sn[i][j]=sw++; } rep(i,n)rep(j,m){ if(s[i][j]=='b')sn[i][j]=sw+sb,sb++; } Graph g(sw+sb); rep(i,n)rep(j,m){ if(s[i][j]=='.')continue; int src=sn[i][j]; char c=s[i][j]; rep(k,4){ int cx=j+dx[k]; int cy=i+dy[k]; if(cx<0||cx>=m||cy<0||cy>=n)continue; if(s[cy][cx]=='.'||s[cy][cx]==c)continue; g[src].push_back(Edge(src,sn[cy][cx])); } } Edges t; int res=0; int m_num=bipartiteMatching(g,sw,t); sw-=m_num;sb-=m_num; res+=m_num*100; int cwb=min(sw,sb); sw-=cwb;sb-=cwb; res+=cwb*10; res+=max(sw,sb); write(res); return 0; }