Submission #932032

#	Time	Username	Problem	Language	Result	Execution time	Memory
932032		vjudge1	Cyberland (APIO23_cyberland)	C++17	0 / 100	19 ms	4184 KiB

cyberland

#include <bits/stdc++.h>



double solve(int N, int M, int K, int H, std::vector<int> x, std::vector<int> y, std::vector<int> c, std::vector<int> arr){
	std::vector<std::vector<std::pair<long long , long long>>> adj;
	for(int i = 0; i < M ; i++) adj[x[i]].push_back({y[i],c[i]});
	for(int i = 0; i < M ; i++)  adj[y[i]].push_back({x[i],c[i]});
	std::vector<long double> dist(N,-1);
	std::priority_queue<std::pair<long double,long long>> pq;
	dist[0]=0;
	pq.push({0,0});
	while(!pq.empty()){
		std::pair<long double,long long> nd = pq.top(); pq.pop();
		nd.first*=-1;
		if(dist[nd.second]<nd.first) continue;
		dist[nd.second]=nd.first;
		for(auto dat:adj[nd.second]){
			if(dist[dat.first]<dist[nd.second]+dat.second){
				dist[dat.first]=dist[nd.second]+dat.second;
				pq.push({-dist[dat.first],dat.first});
			}
		}
	}
	return dist[H];
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 19
• Subtask 5: 0 / 7
• Subtask 6: 0 / 16
• Subtask 7: 0 / 29
• Subtask 8: 0 / 3