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#include <bits/stdc++.h>
#include<fstream>
#include<vector>
#include<map>
#include<queue>
std::ifstream f("dijkstra.in");
std::ofstream fg("dijkstra.out");
int n, m, a, b, c;
class graf{
public:
int n, m;
graf(int n, int m);
std::vector< bool> viz;
std::vector< std::vector<int> > mat;
std::vector<std::vector<int> > lista;
std::vector<std::vector< std::pair<int, int>> > lista_cost;
std::vector< std::pair<int, int> > muchii;
void new_lista_cost( int nod1, int nod2, int cost);
void afisare_lista_cost();
void dijkstra();
int minim( std::vector<int> val , std::vector<bool> viz);
};
graf::graf(int n, int m) {
this->n = n;
this->m = m;
std::vector<int> v;
std::vector< std::pair<int, int>> p;
for(auto i = 0; i<n ; i++){
lista_cost.push_back(p);
}
}
void graf::new_lista_cost(int nod1, int nod2, int cost) {
lista_cost[nod1].push_back(std::make_pair(nod2, cost));
// lista_cost[nod2].push_back(std::make_pair(nod1, cost));
}
void graf::afisare_lista_cost() {
for(auto i=1 ; i<n+1 ; i++){
std::cout<<i<<" - ";
for( auto j = lista_cost[i].begin() ; j != lista_cost[i].end(); j++){
std::cout<<" ( "<< j->first<<" , "<<j->second<<" ) ";
}
std::cout<<"\n";
}
std::cout<<"\n";
}
void graf::dijkstra(){
std::vector<int> tata;
std::vector<int> dist;
std::vector<bool> viz;
for( int i=0 ; i<n ; i++)
{
dist.push_back(INT_MAX);
viz.push_back(false);
tata.push_back(-1);
}
dist[0] = 0;
std::set<std::pair<int, int>> s;
s.insert( std::make_pair(0, 0));
while(!s.empty()){
int nod = s.begin()->second;
s.erase(s.begin());
for(auto i = lista_cost[nod].begin() ; i != lista_cost[nod].end(); i++){
int vecin = i->first;
int cost = i->second;
if(dist[vecin] > dist[nod] + cost){
s.erase(std::make_pair(dist[vecin], vecin));
dist[vecin] = cost + dist[nod];
tata[vecin] = nod;
s.insert(std::make_pair(dist[vecin], vecin));
}
}
}
for(int i = 1; i<n ; i++)
{
if(dist[i] == INT_MAX) fg<<"0 ";
else fg<<dist[i]<<" ";
}
}
int main() {
f>>n>>m;
graf g(n, m);
for(int i=0 ; i<m ; i++){
f>>a>>b>>c;
g.new_lista_cost(a-1, b-1, c);
}
g.dijkstra();
return 0;
}