#420158 (C++14) No.812 Change of Class

提出ソース

結果

問題	No.812 Change of Class
ユーザー	ningenMe
提出日時	2020-01-21 02:29:07
言語	C++14 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	486 ms / 4,000 ms
コード長	3,750 bytes
コンパイル時間	1,788 ms
コンパイル使用メモリ	178,612 KB
実行使用メモリ	11,552 KB
最終ジャッジ日時	2024-06-12 21:50:02
合計ジャッジ時間	13,036 ms
ジャッジサーバーID （参考情報）	judge5 / judge2

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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	96 ms 8,192 KB
testcase_01	AC	15 ms 6,940 KB
testcase_02	AC	51 ms 6,944 KB
testcase_03	AC	110 ms 9,088 KB
testcase_04	AC	97 ms 8,320 KB
testcase_05	AC	486 ms 9,612 KB
testcase_06	AC	369 ms 8,656 KB
testcase_07	AC	4 ms 6,944 KB
testcase_08	AC	3 ms 6,944 KB
testcase_09	AC	423 ms 9,984 KB
testcase_10	AC	439 ms 9,984 KB
testcase_11	AC	19 ms 7,168 KB
testcase_12	AC	263 ms 9,308 KB
testcase_13	AC	2 ms 6,944 KB
testcase_14	AC	2 ms 6,944 KB
testcase_15	AC	298 ms 7,680 KB
testcase_16	AC	19 ms 6,940 KB
testcase_17	AC	264 ms 8,064 KB
testcase_18	AC	196 ms 6,940 KB
testcase_19	AC	233 ms 7,296 KB
testcase_20	AC	450 ms 9,856 KB
testcase_21	AC	186 ms 6,940 KB
testcase_22	AC	81 ms 6,940 KB
testcase_23	AC	14 ms 6,944 KB
testcase_24	AC	24 ms 6,940 KB
testcase_25	AC	67 ms 6,944 KB
testcase_26	AC	368 ms 8,832 KB
testcase_27	AC	321 ms 8,064 KB
testcase_28	AC	216 ms 7,296 KB
testcase_29	AC	51 ms 6,940 KB
testcase_30	AC	288 ms 7,936 KB
testcase_31	AC	248 ms 7,168 KB
testcase_32	AC	106 ms 6,940 KB
testcase_33	AC	311 ms 8,448 KB
testcase_34	AC	20 ms 6,940 KB
testcase_35	AC	51 ms 6,940 KB
testcase_36	AC	23 ms 6,944 KB
testcase_37	AC	139 ms 6,940 KB
testcase_38	AC	8 ms 6,944 KB
testcase_39	AC	145 ms 6,940 KB
testcase_40	AC	32 ms 6,940 KB
testcase_41	AC	6 ms 6,948 KB
testcase_42	AC	321 ms 7,552 KB
testcase_43	AC	43 ms 6,940 KB
testcase_44	AC	210 ms 6,940 KB
testcase_45	AC	25 ms 6,944 KB
testcase_46	AC	38 ms 6,940 KB
testcase_47	AC	220 ms 6,940 KB
testcase_48	AC	229 ms 7,168 KB
testcase_49	AC	66 ms 6,944 KB
testcase_50	AC	5 ms 6,940 KB
testcase_51	AC	56 ms 6,940 KB
testcase_52	AC	109 ms 6,940 KB
testcase_53	AC	41 ms 6,944 KB
testcase_54	AC	38 ms 6,940 KB
testcase_55	AC	220 ms 8,728 KB
testcase_56	AC	273 ms 10,192 KB
testcase_57	AC	292 ms 10,520 KB
testcase_58	AC	144 ms 7,016 KB
testcase_59	AC	327 ms 11,552 KB
testcase_60	AC	2 ms 6,944 KB
testcase_61	AC	2 ms 6,944 KB
testcase_62	AC	2 ms 6,944 KB

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ソースコード

raw source code

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
 
#define ALL(obj) (obj).begin(),(obj).end()
#define SPEED cin.tie(0);ios::sync_with_stdio(false);
 
template<class T> using PQ = priority_queue<T>;
template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>;
 
constexpr long long MOD = (long long)1e9 + 7;
constexpr long long MOD2 = 998244353;
constexpr long long HIGHINF = (long long)1e18;
constexpr long long LOWINF = (long long)1e15;
constexpr long double PI = 3.1415926535897932384626433;
 
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, 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);}
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;}

//Dijkstra
template<class T> class Dijkstra {
public:
	int N;
	T inf;
	vector<T> cost; 
	vector<vector<pair<T, int>>> edge;

	Dijkstra(const int N, T inf) : N(N), inf(inf),cost(N), edge(N) {
	}

	void make_edge(int from, int to, T w) {
		edge[from].push_back({ w,to });
	}

	void solve(int start) {
		for(int i = 0; i < N; ++i) cost[i] = inf;

		priority_queue<pair<T, int>, vector<pair<T, int>>, greater<pair<T, int>>> pq;
		cost[start] = 0;
		pq.push({ 0,start });

		while (!pq.empty()) {
			T v = pq.top().first;
			int from = pq.top().second;
			pq.pop();
			for (auto u : edge[from]) {
				T w = v + u.first;
				int to = u.second;
				if (w < cost[to]) {
					cost[to] = w;
					pq.push({ w,to });
				}
			}
		}
		return;
	}
};

//verify https://atcoder.jp/contests/abc077/tasks/arc084_b

int main() {
	int N,M; cin >> N >> M;
	vector<int> dp(N,0);
	for(int i = 2; i < N; ++i) {
		dp[i] = dp[i/2+i%2]+1;
	}
	Dijkstra<int> dijk(N,1234567);
	for(int i = 0; i < M; ++i){
		int p,q; cin >> p >> q;
		p--,q--;
		dijk.make_edge(p,q,1);
		dijk.make_edge(q,p,1);
	}
	int Q; cin >> Q;
	vector<pair<int,int>> ans;
	while (Q--){
		int a; cin >> a;
		a--;
		dijk.solve(a);
		int cnt = 0,maxi = 0;
		for(int i = 0; i < N; ++i){
			if(dijk.cost[i]!=1234567) cnt++;
			if(dijk.cost[i]!=1234567) chmax(maxi,dijk.cost[i]);
		}
		cnt--;
		ans.push_back({cnt,dp[maxi]});
	}
	for(auto& e:ans) cout << e.first << " " << e.second << endl;

	

    return 0;
}

yukicoder

結果

テストケース

ソースコード