結果

問題 No.2640 traO Stamps
ユーザー 👑 binapbinap
提出日時 2024-02-19 21:50:05
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 1,010 ms / 2,000 ms
コード長 3,563 bytes
コンパイル時間 5,016 ms
コンパイル使用メモリ 288,200 KB
実行使用メモリ 10,548 KB
最終ジャッジ日時 2024-09-29 01:48:55
合計ジャッジ時間 22,391 ms
ジャッジサーバーID
(参考情報)
judge2 / judge3
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
6,816 KB
testcase_01 AC 2 ms
6,816 KB
testcase_02 AC 2 ms
6,820 KB
testcase_03 AC 2 ms
6,820 KB
testcase_04 AC 2 ms
6,816 KB
testcase_05 AC 2 ms
6,816 KB
testcase_06 AC 795 ms
9,904 KB
testcase_07 AC 460 ms
9,424 KB
testcase_08 AC 605 ms
10,044 KB
testcase_09 AC 507 ms
7,188 KB
testcase_10 AC 702 ms
10,160 KB
testcase_11 AC 419 ms
7,040 KB
testcase_12 AC 490 ms
10,076 KB
testcase_13 AC 314 ms
6,912 KB
testcase_14 AC 477 ms
10,016 KB
testcase_15 AC 271 ms
7,040 KB
testcase_16 AC 334 ms
9,692 KB
testcase_17 AC 383 ms
9,720 KB
testcase_18 AC 379 ms
7,040 KB
testcase_19 AC 588 ms
10,072 KB
testcase_20 AC 806 ms
10,404 KB
testcase_21 AC 251 ms
7,040 KB
testcase_22 AC 428 ms
9,876 KB
testcase_23 AC 537 ms
7,184 KB
testcase_24 AC 516 ms
7,204 KB
testcase_25 AC 823 ms
10,448 KB
testcase_26 AC 219 ms
9,816 KB
testcase_27 AC 223 ms
9,696 KB
testcase_28 AC 210 ms
9,696 KB
testcase_29 AC 244 ms
9,780 KB
testcase_30 AC 1,010 ms
10,524 KB
testcase_31 AC 1,001 ms
10,548 KB
testcase_32 AC 986 ms
10,400 KB
testcase_33 AC 989 ms
10,448 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>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef vector<int> vi;
typedef vector<long long> vl;
typedef vector<vector<int>> vvi;
typedef vector<vector<long long>> vvl;
typedef long double ld;
typedef pair<int, int> P;

ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}
template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;}

template<typename T> void chmin(T& a, T b){a = min(a, b);}
template<typename T> void chmax(T& a, T b){a = max(a, b);}

template<typename T>
struct Edge_Dijkstra{
	int from, to;
	T cost;
	Edge_Dijkstra(int from, int to, T cost) : from(from), to(to), cost(cost) {};
};

const long long INF = 1001001001001001;
template<typename T>
struct Dijkstra{
	int n, m;
	vector<bool> initialized;
	vector<Edge_Dijkstra<T>> E;
	vector<vector<int>> G;
	map<int, vector<T>> dist;
	map<int, vector<int>> idx;
	Dijkstra(int _n) : n(_n), m(0), initialized(n, false), G(n){}
	void add_edge(int from, int to, T cost){
		Edge_Dijkstra e(from, to, cost);
		E.push_back(e);
		G[from].emplace_back(m);
		m++;
	}
	void calc(int s){
		initialized[s] = true;
		dist[s] = vector<T>(n, INF);
		idx[s] = vector<int>(n, -1);
		priority_queue<tuple<T, int, int>, vector<tuple<T, int, int>>, greater<tuple<T, int, int>>> pq;
		pq.emplace(0, s, -1);
		while(pq.size()){
			auto [cost, from, index] = pq.top(); pq.pop();
			if(dist[s][from] <= cost) continue;
			dist[s][from] = cost;
			idx[s][from] = index;
			for(int index : G[from]){
				int to = E[index].to;
				T cost_plus = E[index].cost;
				if(dist[s][to] <= cost + cost_plus) continue;
				pq.emplace(cost + cost_plus, to, index);
			}
		}
	}
	int farthest(int s){
		if(!initialized[s]) calc(s);
		int idx = 0;
		rep(i, n) if(dist[s][i] > dist[s][idx]) idx = i;
		return idx;
	}
	T get_dist(int s, int t){
		if(!initialized[s]) calc(s);
		return dist[s][t];
	}
	vi restore(int s, int t){
		if(!initialized[s]) calc(s);
		if(dist[s][t] == INF) return vi(0);
		vi res;
		while(idx[s][t] != -1){
			auto e = E[idx[s][t]];
			res.push_back(idx[s][t]);
			t = e.from;
		}
	reverse(res.begin(), res.end());
	return res;
	}
};

using S = long long;
S op(S a, S b){return a + b;}
S e(){return 0LL;}

int main(){
	int n, m, k;
	cin >> n >> m >> k;
	vector<int> s(k + 1);
	cin >> s;
	rep(i, k + 1) s[i]--;
	Dijkstra<long long> graph(n);
	rep(i, m){
		int a, b, c;
		cin >> a >> b >> c;
		a--; b--;
		graph.add_edge(a, b, c);
		graph.add_edge(b, a, c);
	}
	segtree<S, op, e> seg(k);
	rep(i, k) seg.set(i, graph.get_dist(s[i], s[i + 1]));
	int q;
	cin >> q;
	rep(_, q){
		int t, x, y;
		cin >> t >> x >> y;
		if(t == 1){
			y--;
			s[x] = y;
			if(x > 0) seg.set(x - 1, graph.get_dist(s[x - 1], s[x]));
			if(x < k) seg.set(x, graph.get_dist(s[x], s[x + 1]));
		}
		if(t == 2){
			auto res = seg.prod(x, y);
			cout << res << "\n";
		}
	}
	return 0;
}
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