Submission #932031

#	Time	Username	Problem	Language	Result	Execution time	Memory
932031		vjudge1	Cyberland (APIO23_cyberland)	C++17	0 / 100	22 ms	5724 KiB

cyberland

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp> 

#define fst first 
#define snd second
#define pb push_back
#define forn(i,a,b) for(int i = a; i < b; i++)
#define ALL(x) x.begin(),x.end()
#define SZ(x) (int)x.size()
#define mset(a,v) memset((a),(v),sizeof(a))
#define FIN ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define dbg(v) cout<<"Line("<<__LINE__<<"): "<<#v<<" = "<<v<<'\n';
#define pi pair<int,int>
#define pll pair<ll,ll>
typedef long long ll;


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<int,int>>> adj(N);
	for(int i = 0; i < M; i++) adj[x[i]].push_back({y[i],c[i]}),adj[y[i]].push_back({x[i],c[i]});
	
	std::vector<std::pair<double,int>> res;
	
	std::priority_queue<std::pair<int,int>> pq;
	std::vector<double> dist(N,(int)1e20);
	dist[H]=0;
	pq.push({0,H-1});
	while(!pq.empty()){
		std::pair<int,int> nd = pq.top();
		nd.first*=-1;
		pq.pop();
		if(nd.second==H) return nd.first;
		//std::cout<<nd.second<<" "<<nd.first<<" "<<(int)adj[nd.second].size()<<'\n';
		//if(dist[nd.second]<=nd.first) continue;
		for(int i = 0; i < (int)adj[nd.second].size(); i++){
			//std::cout<<"Costo:"<<nd.first+adj[nd.second][i].second<<'\n';
			if(dist[adj[nd.second][i].first]>nd.first+adj[nd.second][i].second){
				dist[adj[nd.second][i].first] = nd.first+adj[nd.second][i].second;
			}
		}
	}

	return -1;
}
/*
int main(){
	int N;
	int M;
	int K;
	int H;
	std::cin>>N>>M>>K>>H;
	std::vector<int> x(M);
	std::vector<int> y(M);
	std::vector<int> c(M);
	std::vector<int> arr(N);
	
	
	for(int i = 0; i < M; i++){
		std::cin>>x[i];
	}
	for(int i = 0; i < M; i++){
		std::cin>>y[i];
	}
	
	for(int i = 0; i < M; i++){
		std::cin>>c[i];
	}
	
	for(int i = 0; i < M; i++){
		std::cin>>arr[i];
	}
	std::cout<<solve(N,M,K,H,x,y,c,arr)<<'\n';
	return 0;
}*/

• 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