結果
問題 | No.421 しろくろチョコレート |
ユーザー | daleksprinter |
提出日時 | 2019-04-04 06:46:38 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 17 ms / 2,000 ms |
コード長 | 4,453 bytes |
コンパイル時間 | 1,864 ms |
コンパイル使用メモリ | 174,000 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-23 07:23:18 |
合計ジャッジ時間 | 3,318 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | AC | 4 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
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 3 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 | 3 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 4 ms
6,940 KB |
testcase_17 | AC | 11 ms
6,944 KB |
testcase_18 | AC | 14 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 5 ms
6,944 KB |
testcase_21 | AC | 4 ms
6,944 KB |
testcase_22 | AC | 3 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 3 ms
6,940 KB |
testcase_30 | AC | 3 ms
6,948 KB |
testcase_31 | AC | 6 ms
6,944 KB |
testcase_32 | AC | 3 ms
6,940 KB |
testcase_33 | AC | 4 ms
6,944 KB |
testcase_34 | AC | 2 ms
6,944 KB |
testcase_35 | AC | 2 ms
6,944 KB |
testcase_36 | AC | 3 ms
6,944 KB |
testcase_37 | AC | 17 ms
6,940 KB |
testcase_38 | AC | 15 ms
6,940 KB |
testcase_39 | AC | 2 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
6,948 KB |
testcase_43 | AC | 3 ms
6,940 KB |
testcase_44 | AC | 3 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 2 ms
6,944 KB |
testcase_47 | AC | 4 ms
6,940 KB |
testcase_48 | AC | 4 ms
6,944 KB |
testcase_49 | AC | 2 ms
6,940 KB |
testcase_50 | AC | 2 ms
6,948 KB |
testcase_51 | AC | 4 ms
6,940 KB |
testcase_52 | AC | 3 ms
6,940 KB |
testcase_53 | AC | 2 ms
6,940 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
6,940 KB |
testcase_58 | AC | 4 ms
6,940 KB |
testcase_59 | AC | 2 ms
6,940 KB |
testcase_60 | AC | 17 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
6,944 KB |
testcase_64 | AC | 2 ms
6,940 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; /* macro */ #define rep(i,a,b) for(int i=a;i<b;i++) #define revrep(i,a,b) for(int i = a; i > b; i--) #define int long long #define exist(s,e) ((s).find(e)!=(s).end()) #define all(v) (v).begin(), (v).end() #define each(s,itr) for(auto (itr) = s.begin(); (itr) != s.end(); (itr)++) #define sum(v) accumulate(all(v), (0LL)) #define isin(a, b, c) (b <= a && a <= c) #define println cout << "\n"; #define sz(v) (int)v.size() #define bin(x) static_cast<bitset<16> >(x) /* alias */ template<class T> using vec = vector<T>; typedef vector<int> vi; typedef pair<int, int> pi; typedef tuple<int, int, int> ti; typedef map<int, int> mi; typedef set<int> si; /* constant */ const int inf = 1LL << 62; const int mod = 1e9 + 7; const int dx[8]={1,0,-1,0,-1,1,-1,1}; const int dy[8]={0,1,0,-1,-1,-1,1,1}; const string alphabet = "abcdefghijklmnopqrstuvwxyz"; /* io_method */ int input(){int tmp;cin >> tmp;return tmp;} string raw_input(){string tmp;cin >> tmp;return tmp;} template<class T> void printx(T n){cout << n;} template<class T, class U> void printx(pair<T, U> p){cout << "(" << p.first << "," << p.second << ")";} template<class T, class U, class V> void printx(tuple<T, U, V> t){cout << "{" << get<0>(t) << "," << get<1>(t) <<"," << get<2>(t) << "}" << endl;} template<class T> void printx(vector<T> v){cout << "{";rep(i,0,v.size()){printx(v[i]);if(i != v.size()-1)printx(",");}cout << "}";} template<class T> void print(T n){printx(n);cout << endl;} template<class T> void print(set<T> s){cout << "{";each(s, e){if(e != s.begin()) printx(",");printx(*e);}cout << "}" << endl;} template<class T, class U> void print(map<T, U> mp){cout << "{";each(mp, e){cout << "(" << e -> first << "," << e -> second << ")";}cout << "}" << endl;} template<class T> void printans(vec<T> v){rep(i,0,sz(v)){cout << v[i] << (i == sz(v) - 1 ? "" : " ");}cout << endl;} /* general_method */ template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } template<class T>T cut(T &a, int l, int r){return T(a.begin()+l, a.begin()+r);} /* math_method */ int ceil(int a, int b){return a / b + (a % b > 0);} /* main */ int n, m; char field[50][50]; int source, sink; int black = 0, white = 0; struct edge{int to, cap, rev;}; vec<vec<edge>> edges(2550); int pos_to_v(int y, int x){ return y * m + x; } void in(){ cin >> n >> m; rep(i,0,n){ rep(j,0,m){ cin >> field[i][j]; } } source = n * m + 10; sink = source + 1; rep(i,0,n){ rep(j,0,m){ if(field[i][j] == '.') continue; int f = pos_to_v(i, j); // black to sink if(field[i][j] == 'b'){ black++; edges[f].push_back((edge){sink, 1, sz(edges[sink])}); edges[sink].push_back((edge){f, 0, sz(edges[f]) - 1}); continue; } white++; //source to white edges[source].push_back((edge){f, 1, sz(edges[f])}); edges[f].push_back((edge){source, 0, sz(edges[source]) - 1}); //white to black rep(k,0,4){ int ty = i + dy[k]; int tx = j + dx[k]; if(!isin(ty,0,n-1) or !isin(tx,0,m-1) or field[ty][tx] == '.') continue; int t = pos_to_v(ty, tx); edges[f].push_back((edge){t, 1, sz(edges[t])}); edges[t].push_back((edge){f, 0, sz(edges[f]) - 1}); } } } } bool visited[2550]; int dfs(int v, int t, int f){ if(v == t) return f; visited[v] = true; rep(i,0,sz(edges[v])){ edge e = edges[v][i]; if(!visited[e.to] && e.cap > 0){ int d = dfs(e.to, t, min(f, e.cap)); if(d > 0){ edges[v][i].cap -= d; edges[e.to][e.rev].cap += d; return d; } } } return 0; } void solve(){ int flow = 0; while(true){ memset(visited, false, sizeof(visited)); int f = dfs(source, sink, inf); if(f) flow += f; else break; } int ans = flow * 100; ans += (min(white, black) - flow) * 10; ans += abs(white - black); print(ans); } signed main(){ cin.tie(0); ios::sync_with_stdio(false); in(); solve(); }