結果

問題 No.177 制作進行の宮森あおいです!
ユーザー kei
提出日時 2018-09-10 16:40:19
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 3 ms / 2,000 ms
コード長 4,358 bytes
コンパイル時間 2,313 ms
コンパイル使用メモリ 181,444 KB
実行使用メモリ 6,820 KB
最終ジャッジ日時 2024-12-30 00:29:01
合計ジャッジ時間 3,072 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 13
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LINF = 1e18;
template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; }
template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " "
    ;} return out; }
template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out
    << Mat[i];} return out; }
template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out <<
    it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; }
/*
<url:https://yukicoder.me/problems/no/177>
============================================================
=================================================================
=============================================================
================================================================
*/
struct DINIC{
#define MAX_V 200
typedef long long ll;
typedef ll CapType;
struct edge {
int to; //
CapType cap; //
int rev; //
edge() {}
edge(int to, CapType cap, int rev) :to(to), cap(cap), rev(rev) {}
};
vector<edge> G[MAX_V]; //
ll level[MAX_V]; // s
ll iter[MAX_V]; // 調
// fromtocap
void add_directed_edge(int from, int to, CapType cap) {
G[from].push_back(edge(to, cap, (int)G[to].size()));
G[to].push_back(edge(from, 0, (int)G[from].size() - 1));
}
void add_undirected_edge(int from, int to, CapType cap) {
G[from].push_back(edge(to, cap, (int)G[to].size()));
G[to].push_back(edge(from, cap, (int)G[from].size() - 1));
}
// sBFS
void bfs(int s){
fill(level,level+MAX_V,-1);
queue<int> q;
level[s] = 0;
q.push(s);
while(!q.empty()){
int v = q.front(); q.pop();
for(int i = 0; i < (int)G[v].size();i++){
edge& e = G[v][i];
if(e.cap > 0 && level[e.to] < 0){
level[e.to] = level[v] + 1;
q.push(e.to);
}
}
}
}
// DFS
CapType dfs(int v, int t,CapType f){
if(v == t) return f;
for(ll &i = iter[v]; i < G[v].size();i++){
edge &e = G[v][i];
if(e.cap > 0 && level[v] < level[e.to]){
CapType 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;
}
CapType max_flow(int s,int t){
CapType flow = 0;
for(;;){
bfs(s);
if(level[t] < 0) return flow;
fill(iter,iter+MAX_V,0);
CapType f;
while((f = dfs(s,t,LINF)) > 0){
flow += f;
}
}
}
};
string solve(){
int W,N,M;
cin >> W >> N;
vector<int> J(N); for(auto& in:J) cin >> in;
cin >> M;
vector<int> C(M); for(auto& in:C) cin >> in;
int S = N+M,T = S+1;
DINIC dinic;
for(int i = 0; i < N;i++) dinic.add_directed_edge(S, i, J[i]);
for(int i = 0; i < M;i++) dinic.add_directed_edge(N+i, T, C[i]);
for(int i = 0; i < M;i++){
int Q; cin >> Q;
vector<int> X(N,1);
for(int j = 0; j < Q; j++){
int x; cin >> x; x--;
X[x] = 0;
}
for(int j = 0; j < N;j++){
if(X[j]) dinic.add_directed_edge(j, N+i, INF);
}
}
if(dinic.max_flow(S, T) >= W){
return "SHIROBAKO";
}else{
return "BANSAKUTSUKITA";
}
}
int main(void) {
cin.tie(0); ios_base::sync_with_stdio(false);
cout << solve() << endl;
return 0;
}
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