結果
問題 | No.421 しろくろチョコレート |
ユーザー | tancahn2380 |
提出日時 | 2018-03-23 16:23:37 |
言語 | C++11 (gcc 11.4.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 2,730 bytes |
コンパイル時間 | 1,169 ms |
コンパイル使用メモリ | 108,240 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-24 21:29:16 |
合計ジャッジ時間 | 9,784 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | RE | - |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 1 ms
6,944 KB |
testcase_15 | AC | 1 ms
6,940 KB |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 1 ms
6,944 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 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | RE | - |
testcase_43 | RE | - |
testcase_44 | RE | - |
testcase_45 | RE | - |
testcase_46 | RE | - |
testcase_47 | RE | - |
testcase_48 | RE | - |
testcase_49 | RE | - |
testcase_50 | RE | - |
testcase_51 | RE | - |
testcase_52 | RE | - |
testcase_53 | RE | - |
testcase_54 | RE | - |
testcase_55 | RE | - |
testcase_56 | RE | - |
testcase_57 | RE | - |
testcase_58 | RE | - |
testcase_59 | RE | - |
testcase_60 | RE | - |
testcase_61 | RE | - |
testcase_62 | AC | 2 ms
6,940 KB |
testcase_63 | AC | 2 ms
6,940 KB |
testcase_64 | RE | - |
ソースコード
# include <iostream> # include <algorithm> # include <vector> # include <string> # include <set> # include <map> # include <cmath> # include <iomanip> # include <functional> # include <utility> # include <stack> # include <queue> # include <list> # include <tuple> # include <unordered_map> # include <numeric> # include <complex> # include <bitset> # include <random> # include <chrono> using namespace std; using LL = long long; using ULL = unsigned long long; typedef pair<LL, LL> P; constexpr int INF = 2000000000; constexpr int HINF = INF / 2; constexpr double DINF = 100000000000000000.0; constexpr long long LINF = 9223372036854775807; constexpr long long HLINF = 4500000000000000000; const double PI = acos(-1); int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 }; # define ALL(x) (x).begin(),(x).end() # define UNIQ(c) (c).erase(unique(ALL((c))),(c).end()) # define mp make_pair # define eb emplace_back # define FOR(i,a,b) for(int i=(a);i<(b);i++) # define RFOR(i,a,b) for(int i=(a);i>=(b);i--) # define REP(i,n) FOR(i,0,n) # define INIT std::ios::sync_with_stdio(false);std::cin.tie(0) struct edge { int to, cap, rev; }; const int MAX_SIZE = 202; vector<edge>G[MAX_SIZE]; void add_edge(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 }); } bool used[MAX_SIZE]; int dfs(int p, int t, int f) { if (p == t)return f; used[p] = true; for (int i = 0; i < G[p].size(); i++) { edge &e = G[p][i]; if (used[e.to] || e.cap == 0)continue; int _f = dfs(e.to, t, min(f, e.cap)); if (_f) { e.cap -= _f; G[e.to][e.rev].cap += _f; return _f; } } return 0; } int max_flow(int s, int t) { int flow = 0; while (true) { fill_n(used, MAX_SIZE, false); int f = dfs(s, t, INF); if (f)flow += f; else return flow; } } int n, m; string st[51]; int main() { cin >> n >> m; int s = 2 * n*m + 1, t = s + 1; int wcnt = 0, bcnt = 0; REP(i, n)cin >> st[i]; REP(i, n)REP(j, m) { if (st[i][j] == 'w')wcnt++; if (st[i][j] == 'b')bcnt++; add_edge(s, i*m + j, 1); add_edge(n*m + i*m + j, t, 1); if (j) { if (st[i][j] == 'w'&&st[i][j - 1] == 'b') { add_edge(i*m + j, n*m + i*m + j - 1, 1); } if (st[i][j] == 'b'&&st[i][j - 1] == 'w') { add_edge(i*m + j - 1, n*m + i*m + j, 1); } } if (i) { if (st[i][j] == 'w'&&st[i - 1][j] == 'b') { add_edge(i*m + j, n*m + (i - 1)*m + j, 1); } if (st[i][j] == 'b'&&st[i - 1][j] == 'w') { add_edge((i - 1)*m + j, n*m + i*m + j, 1); } } } int num = max_flow(s, t); cout << num * 100 + min(wcnt - num, bcnt - num) * 10 + max(wcnt - num, bcnt - num) - min(wcnt - num, bcnt - num) << endl; }