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#include <iostream>
#include <queue>
#include <vector>
#include <fstream>
std::ifstream f("dijkstra.in");
std::ofstream g("dijkstra.out");
class Edge {
public:
int source;
int dest;
int cost;
Edge() : source(0), dest(0) {}
Edge(int _s) : source(-1), dest(_s), cost(0) {}
Edge(int _source, int _dest, int _cost) : source(_source), dest(_dest), cost(_cost) {}
};
class EdgeComparator {
public:
bool operator()(Edge a, Edge b) {
return a.cost > b.cost;
}
};
class Graph {
public:
int nodes;
std::vector < std::vector<Edge> > graph;
Graph(int n) {
for (int i = 0 ; i < 1 + n ; ++i)
graph.push_back(std::vector<Edge>());
nodes = n;
}
void addEdge(int s, int d, int c, int directed=1) {
Edge e1 = Edge(s, d, c);
graph[s].push_back(e1);
}
};
std::vector<int> dist(100001, 1e9);
class EdgeEntryComparator {
public:
bool operator()(int a, int b) {
return dist[a] > dist[b];
}
};
std::vector<int> dijkstra(Graph g, int source) {
for (int i =0 ; i <= g.nodes; ++i)
dist[i] = 1e9;
std::priority_queue<int, std::vector<int>, EdgeEntryComparator> pq;
bool isinqueue[100001] = {false};
dist[source] = 0;
pq.push(source);
isinqueue[source] = true;
while(!pq.empty()) {
int node = pq.top();
pq.pop();
isinqueue[node] = false;
for (auto& edge : g.graph[node]) {
int neigh = edge.dest;
// std:: cout << node << " -> " << neigh << " curent cost: " << dist.at(neigh) << "\n";
if (neigh != node && dist.at(neigh) > dist.at(node) + edge.cost) {
// std:: cout << "Adding: " << node << " -> " << neigh << " :: " << edge->cost << "\n";
dist.at(neigh) = dist.at(node) + edge.cost;
if (isinqueue[neigh] == false) {
pq.push(neigh);
isinqueue[neigh] = true;
}
}
}
}
for (auto& x : dist) {
if (x == 1e9)
x = -1;
}
return dist;
}
template <typename T>
void logvec(std::vector<T> vec, int offset = 0, int n = 2) {
for (int i = offset; i <= n; ++i) {
if (vec[i] == -1)
g <<"0 ";
else g << vec[i] << " ";
}
}
template <typename T>
void logvec(T vec[100001], int offset = 0, int n = 2) {
for (int i = offset; i <= n; ++i) {
if (vec[i] == -1)
g <<"0 ";
else g << vec[i] << " ";
}
}
int main() {
int n, m, so = 1;
f >> n >> m;
Graph g(n);
int s, d, c;
while(f >> s >> d >> c) {
// std:: cout << s << d << c << "\n";
g.addEdge(s, d, c, 1);
}
// std::cout << "dijkstra\n";
logvec(dijkstra(g, so), 2, n);
}