#666080 (C++17) No.1545 [Cherry 2nd Tune N] Anthem

提出ソース

結果

問題	No.1545 [Cherry 2nd Tune N] Anthem
ユーザー	ningenMe
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	151 ms / 3,000 ms
コード長	5,492 bytes
コンパイル時間	3,285 ms
コンパイル使用メモリ	231,584 KB
実行使用メモリ	33,664 KB
最終ジャッジ日時	2024-05-08 20:57:31
合計ジャッジ時間	12,226 ms
ジャッジサーバーID （参考情報）	judge1 / judge4

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 5,248 KB
testcase_01	AC	1 ms 5,376 KB
testcase_02	AC	2 ms 5,376 KB
testcase_03	AC	2 ms 5,376 KB
testcase_04	AC	43 ms 16,896 KB
testcase_05	AC	132 ms 24,724 KB
testcase_06	AC	55 ms 13,952 KB
testcase_07	AC	67 ms 17,152 KB
testcase_08	AC	110 ms 14,008 KB
testcase_09	AC	40 ms 7,296 KB
testcase_10	AC	52 ms 16,512 KB
testcase_11	AC	75 ms 16,128 KB
testcase_12	AC	119 ms 23,680 KB
testcase_13	AC	37 ms 11,136 KB
testcase_14	AC	43 ms 15,872 KB
testcase_15	AC	15 ms 6,272 KB
testcase_16	AC	55 ms 19,456 KB
testcase_17	AC	26 ms 5,632 KB
testcase_18	AC	137 ms 22,656 KB
testcase_19	AC	62 ms 13,440 KB
testcase_20	AC	28 ms 5,760 KB
testcase_21	AC	73 ms 25,472 KB
testcase_22	AC	79 ms 23,808 KB
testcase_23	AC	78 ms 10,496 KB
testcase_24	AC	5 ms 5,376 KB
testcase_25	AC	4 ms 5,376 KB
testcase_26	AC	2 ms 5,376 KB
testcase_27	AC	4 ms 5,376 KB
testcase_28	AC	6 ms 5,376 KB
testcase_29	AC	6 ms 5,376 KB
testcase_30	AC	4 ms 5,376 KB
testcase_31	AC	5 ms 5,376 KB
testcase_32	AC	3 ms 5,376 KB
testcase_33	AC	6 ms 5,376 KB
testcase_34	AC	5 ms 5,376 KB
testcase_35	AC	10 ms 5,376 KB
testcase_36	AC	8 ms 5,376 KB
testcase_37	AC	2 ms 5,376 KB
testcase_38	AC	6 ms 5,376 KB
testcase_39	AC	2 ms 5,376 KB
testcase_40	AC	4 ms 5,376 KB
testcase_41	AC	2 ms 5,376 KB
testcase_42	AC	5 ms 5,376 KB
testcase_43	AC	5 ms 5,376 KB
testcase_44	AC	3 ms 5,376 KB
testcase_45	AC	3 ms 5,376 KB
testcase_46	AC	5 ms 5,376 KB
testcase_47	AC	6 ms 5,376 KB
testcase_48	AC	10 ms 7,672 KB
testcase_49	AC	11 ms 5,376 KB
testcase_50	AC	25 ms 7,332 KB
testcase_51	AC	3 ms 5,376 KB
testcase_52	AC	26 ms 7,168 KB
testcase_53	AC	8 ms 5,496 KB
testcase_54	AC	3 ms 5,376 KB
testcase_55	AC	17 ms 6,636 KB
testcase_56	AC	3 ms 5,376 KB
testcase_57	AC	19 ms 5,632 KB
testcase_58	AC	9 ms 5,476 KB
testcase_59	AC	3 ms 5,376 KB
testcase_60	AC	3 ms 5,376 KB
testcase_61	AC	5 ms 5,376 KB
testcase_62	AC	10 ms 5,376 KB
testcase_63	AC	8 ms 5,376 KB
testcase_64	AC	151 ms 24,724 KB
testcase_65	AC	5 ms 5,376 KB
testcase_66	AC	71 ms 33,664 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

raw source code

#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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結果

テストケース

ソースコード