結果
問題 | No.421 しろくろチョコレート |
ユーザー | is_eri23 |
提出日時 | 2016-09-10 01:10:52 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 20 ms / 2,000 ms |
コード長 | 3,874 bytes |
コンパイル時間 | 1,575 ms |
コンパイル使用メモリ | 171,584 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-23 07:07:45 |
合計ジャッジ時間 | 3,289 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(要ログイン)
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 | 5 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 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
6,940 KB |
testcase_07 | AC | 3 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 | 4 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,948 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 12 ms
6,944 KB |
testcase_17 | AC | 9 ms
6,940 KB |
testcase_18 | AC | 5 ms
6,940 KB |
testcase_19 | AC | 1 ms
6,944 KB |
testcase_20 | AC | 5 ms
6,940 KB |
testcase_21 | AC | 8 ms
6,940 KB |
testcase_22 | AC | 4 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 3 ms
6,944 KB |
testcase_30 | AC | 3 ms
6,940 KB |
testcase_31 | AC | 9 ms
6,944 KB |
testcase_32 | AC | 5 ms
6,944 KB |
testcase_33 | AC | 4 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | AC | 2 ms
6,940 KB |
testcase_36 | AC | 4 ms
6,940 KB |
testcase_37 | AC | 5 ms
6,940 KB |
testcase_38 | AC | 9 ms
6,940 KB |
testcase_39 | AC | 4 ms
6,940 KB |
testcase_40 | AC | 5 ms
6,940 KB |
testcase_41 | AC | 2 ms
6,944 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 3 ms
6,940 KB |
testcase_44 | AC | 7 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 2 ms
6,940 KB |
testcase_47 | AC | 3 ms
6,940 KB |
testcase_48 | AC | 7 ms
6,940 KB |
testcase_49 | AC | 3 ms
6,940 KB |
testcase_50 | AC | 2 ms
6,940 KB |
testcase_51 | AC | 4 ms
6,940 KB |
testcase_52 | AC | 3 ms
6,940 KB |
testcase_53 | AC | 3 ms
6,944 KB |
testcase_54 | AC | 3 ms
6,944 KB |
testcase_55 | AC | 2 ms
6,940 KB |
testcase_56 | AC | 2 ms
6,940 KB |
testcase_57 | AC | 2 ms
6,940 KB |
testcase_58 | AC | 5 ms
6,940 KB |
testcase_59 | AC | 2 ms
6,940 KB |
testcase_60 | AC | 9 ms
6,940 KB |
testcase_61 | AC | 20 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> #define EPS 1e-9 #define INF 1070000000LL #define MOD 1000000007LL #define fir first #define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++) #define numa(x,a) for(auto x: a) #define ite iterator #define mp make_pair #define rep(i,n) rep2(i,0,n) #define rep2(i,m,n) for(int i=m;i<(n);i++) #define pb push_back #define pf push_front #define sec second #define sz(x) ((int)(x).size()) #define ALL( c ) (c).begin(), (c).end() #define gcd(a,b) __gcd(a,b) #define mem(x,n) memset(x,n,sizeof(x)) #define endl "\n" using namespace std; template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){} template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); } template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; } #define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; } #define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); } #define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); } #define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); } using ll = long long; #define MAX_V 2600 struct edge{int to,cap,rev;}; vector <edge> G[MAX_V]; bool used[MAX_V]; void add_edge(int from, int to, int cap){ G[from].pb((edge){to,cap,sz(G[to])}); G[to].pb((edge){from,0,sz(G[from])-1}); } int dfs(int v,int t,int f){ if(v == t){ return f; } used[v] = true; rep(i,sz(G[v])){ edge &e = G[v][i]; if(!used[e.to] && e.cap > 0){ int d = dfs(e.to,t,min(f,e.cap)); if(d > 0){ e.cap -=d; G[e.to][e.rev].cap += d; return d; } } } return 0; } int max_flow(int s,int t,int lim = INF){ int flow = 0; for(;lim > 0;){ mem(used,0); int f = dfs(s,t,lim); if(f == 0){ break; } flow += f; lim -= f; } /*復元 for (int v = N + 1; v <= 2*N; v++) { rep(i,sz(G[v])){ edge &e = G[v][i]; ans[e.to][v-N] = e.cap; } } */ return flow; } int N,M; string bd[60]; int dx[] = {-1,0,0,1}; int dy[] = {0,-1,1,0}; #define XY2V(x,y) (x * 51 + y) int main() { cin.tie(0); ios_base::sync_with_stdio(0); cin >> N >> M; map <char, int> memo; rep(i,N){ cin >> bd[i]; rep(j,M){ memo[bd[i][j]] += 1; } } int b = memo['b']; int w = memo['w']; if (b > w) { swap(b, w); } // b <= w int sc = 2598; int fin = 2599; rep(i,N){ rep(j,M){ if (bd[i][j] == '.') { continue; } int v = XY2V(i,j); if (bd[i][j] == 'b') { add_edge(sc, v, 1); rep(k,4){ int ni = i + dx[k]; int nj = j + dy[k]; if (0 <= ni && ni < N && 0 <= nj && nj < M && bd[i][j] != '.') { add_edge(v, XY2V(ni,nj), 1); } } }else{ add_edge(v, fin, 1); } } } int f = max_flow(sc, fin); ll ans = 0; b -= f; w -= f; ans += 100 * f; ans += 10 * b; w -= b; ans += w; cout << ans << endl; return 0; }