結果

問題 No.1545 [Cherry 2nd Tune N] Anthem
ユーザー ningenMeningenMe
提出日時 2021-06-12 00:10:56
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 152 ms / 3,000 ms
コード長 5,492 bytes
コンパイル時間 2,756 ms
コンパイル使用メモリ 227,988 KB
実行使用メモリ 33,380 KB
最終ジャッジ日時 2023-08-21 15:27:28
合計ジャッジ時間 15,587 ms
ジャッジサーバーID
(参考情報)
judge11 / judge12
このコードへのチャレンジ
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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
4,376 KB
testcase_01 AC 2 ms
4,376 KB
testcase_02 AC 2 ms
4,380 KB
testcase_03 AC 2 ms
4,380 KB
testcase_04 AC 47 ms
16,696 KB
testcase_05 AC 145 ms
24,540 KB
testcase_06 AC 55 ms
13,796 KB
testcase_07 AC 67 ms
16,984 KB
testcase_08 AC 113 ms
13,792 KB
testcase_09 AC 43 ms
7,124 KB
testcase_10 AC 56 ms
16,752 KB
testcase_11 AC 74 ms
15,964 KB
testcase_12 AC 122 ms
23,544 KB
testcase_13 AC 40 ms
11,260 KB
testcase_14 AC 44 ms
15,812 KB
testcase_15 AC 16 ms
5,956 KB
testcase_16 AC 59 ms
19,656 KB
testcase_17 AC 27 ms
5,500 KB
testcase_18 AC 150 ms
22,692 KB
testcase_19 AC 67 ms
13,156 KB
testcase_20 AC 28 ms
5,692 KB
testcase_21 AC 76 ms
25,168 KB
testcase_22 AC 79 ms
23,320 KB
testcase_23 AC 79 ms
10,480 KB
testcase_24 AC 5 ms
4,380 KB
testcase_25 AC 4 ms
4,380 KB
testcase_26 AC 1 ms
4,376 KB
testcase_27 AC 4 ms
4,376 KB
testcase_28 AC 5 ms
4,380 KB
testcase_29 AC 5 ms
4,380 KB
testcase_30 AC 4 ms
4,376 KB
testcase_31 AC 5 ms
4,376 KB
testcase_32 AC 3 ms
4,380 KB
testcase_33 AC 5 ms
4,376 KB
testcase_34 AC 5 ms
4,376 KB
testcase_35 AC 9 ms
4,376 KB
testcase_36 AC 8 ms
4,376 KB
testcase_37 AC 3 ms
4,376 KB
testcase_38 AC 5 ms
4,376 KB
testcase_39 AC 2 ms
4,376 KB
testcase_40 AC 3 ms
4,376 KB
testcase_41 AC 3 ms
4,376 KB
testcase_42 AC 4 ms
4,376 KB
testcase_43 AC 5 ms
4,376 KB
testcase_44 AC 3 ms
4,376 KB
testcase_45 AC 3 ms
4,572 KB
testcase_46 AC 5 ms
4,380 KB
testcase_47 AC 6 ms
4,472 KB
testcase_48 AC 10 ms
7,380 KB
testcase_49 AC 11 ms
5,264 KB
testcase_50 AC 26 ms
7,212 KB
testcase_51 AC 2 ms
4,376 KB
testcase_52 AC 27 ms
7,176 KB
testcase_53 AC 9 ms
5,160 KB
testcase_54 AC 2 ms
4,380 KB
testcase_55 AC 17 ms
6,548 KB
testcase_56 AC 3 ms
4,376 KB
testcase_57 AC 18 ms
5,668 KB
testcase_58 AC 9 ms
5,076 KB
testcase_59 AC 4 ms
4,380 KB
testcase_60 AC 4 ms
4,376 KB
testcase_61 AC 6 ms
4,376 KB
testcase_62 AC 10 ms
4,840 KB
testcase_63 AC 8 ms
4,376 KB
testcase_64 AC 152 ms
24,588 KB
testcase_65 AC 4 ms
4,376 KB
testcase_66 AC 73 ms
33,380 KB
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 #

#include <bits/stdc++.h> 
using namespace std; 
using int128  = __int128_t; 
using int64   = long long; 
using int32   = int; 
using uint128 = __uint128_t; 
using uint64  = unsigned long long; 
using uint32  = unsigned int; 

#define ALL(obj) (obj).begin(),(obj).end() 
template<class T> using priority_queue_reverse = priority_queue<T,vector<T>,greater<T>>; 

constexpr int64 MOD = 1'000'000'000LL + 7; //' 
constexpr int64 MOD2 = 998244353; 
constexpr int64 HIGHINF = 1'000'000'000'000'000'000LL; 
constexpr int64 LOWINF = 1'000'000'000'000'000LL; //' 
constexpr long double PI = 3.1415926535897932384626433L; 

template <class T> vector<T> multivector(size_t N,T init){return vector<T>(N,init);} 
template <class... T> auto multivector(size_t N,T... t){return vector<decltype(multivector(t...))>(N,multivector(t...));} 
template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}} 
template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;} 
template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} 
template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} 
template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;} 
template <class T>ostream &operator<<(ostream &o, const deque<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;} 
template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;} 
void print(void) {cout << endl;} 
template <class Head> void print(Head&& head) {cout << head;print();} 
template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);} 
template <class T> void chmax(T& a, const T b){a=max(a,b);} 
template <class T> void chmin(T& a, const T b){a=min(a,b);} 
vector<string> split(const string &str, const char delemiter) {vector<string> res;stringstream ss(str);string buffer; while( getline(ss, buffer, delemiter) ) res.push_back(buffer); return res;} 
inline constexpr int msb(int x) {return x?31-__builtin_clz(x):-1;} 
inline constexpr int64 ceil_div(const int64 a,const int64 b) {return (a+(b-1))/b;}// return ceil(a/b) 
void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;} 
void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;} 
void yn(bool flg) {cout << (flg ? "yes" : "no") << endl;} 

/*
 * @title Graph
 * @docs md/graph/Graph.md
 */
template<class T> class Graph{
private:
    const size_t N,H,W;
public:
    vector<vector<pair<size_t,T>>> edges;
    Graph(const size_t N):H(-1),W(-1),N(N), edges(N) {}
    Graph(const size_t H, const size_t W):H(H),W(W),N(H*W), edges(H*W) {}
    inline void make_edge(size_t from, size_t to, T w) {
        edges[from].emplace_back(to,w);
    }
    //{from_y,from_x} -> {to_y,to_x} 
    inline void make_edge(pair<size_t,size_t> from, pair<size_t,size_t> to, T w) {
        make_edge(from.first*W+from.second,to.first*W+to.second,w);
    }
    inline void make_bidirectional_edge(size_t from, size_t to, T w) {
        make_edge(from,to,w);
        make_edge(to,from,w);
    }
    inline void make_bidirectional_edge(pair<size_t,size_t> from, pair<size_t,size_t> to, T w) {
        make_edge(from.first*W+from.second,to.first*W+to.second,w);
        make_edge(to.first*W+to.second,from.first*W+from.second,w);
    }
    inline size_t size(){return N;}
    inline size_t idx(pair<size_t,size_t> yx){return yx.first*W+yx.second;}
};

/** 
 * @url  
 * @est 
 */  
int main() { 
    cin.tie(0);ios::sync_with_stdio(false);
	int N,S,T,K; cin >> N >> S >> T >> K;
	S--,T--;
	vector<int64> X(N);
	for(int i=0;i<N;++i) cin >> X[i];
	int M; cin >> M;
	vector<vector<pair<int,int64>>> edge(N);
	for(int i=0;i<M;++i) {
		int a,b,y; cin >> a >> b >> y;
		--a,--b;
		edge[a].push_back({b,y});
	}
	auto dp = multivector(N,(K+1),LOWINF);
	auto dp2 = multivector(N,K+1,make_pair(-1,-1));
	dp[S][1] = X[S];
	priority_queue_reverse<tuple<int64,int,int>> pq;
	pq.push({dp[S][1],S,1});
	while(pq.size()) {
		auto tp = pq.top(); pq.pop();
		int64 cost = get<0>(tp);
		int from = get<1>(tp);
		int from_cnt = get<2>(tp);
		if(cost > dp[from][from_cnt]) continue;
		int nxt = min(from_cnt+1,K);
		for(auto p:edge[from]) {
			int to = p.first;
			int64 w = p.second;
			
			if(dp[to][nxt] > cost + w + X[to]) {
				dp[to][nxt] = cost + w + X[to];
				dp2[to][nxt] = {from,from_cnt};
				pq.push({dp[to][nxt],to,nxt});
			}
		}
	}
	int ans_K = min_element(dp[T].begin()+K,dp[T].end())-dp[T].begin();
	int64 ans = dp[T][ans_K];
	if(ans>=LOWINF) {
		cout << "Impossible" << endl;
	}
	else {
		cout << "Possible" << endl;
		cout << ans << endl;
		vector<int> P;
		int p = T, q = ans_K;
		while(p!=-1) {
			P.push_back(p+1);
			auto tmp=p,tmq=q;
			p = dp2[tmp][tmq].first;
			q = dp2[tmp][tmq].second;
		}
		reverse(ALL(P));
		cout << P.size() << endl;
		for(int i=0;i<P.size();++i) cout << P[i] << " \n"[i+1==P.size()];
	}
    return 0; 
} 
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