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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <functional>
#include <climits>
struct Muchie{
int capat;
int cost;
};
const int INF = INT_MAX;
int main()
{
std::ifstream in("dijkstra.in");
std::ofstream out("dijkstra.out");
int N;
int M;
in >> N >> M;
std::vector<Muchie> Graph[N + 1];
for(int i = 1; i <= M; ++i){
int nod1;
int nod2;
int cost;
in >> nod1 >> nod2 >> cost;
Graph[nod1].push_back({nod2, cost});
}
//punctul de start este 1, conform problemei
std::priority_queue< int, std::vector<int>, std::greater<int> > pri_queue;
pri_queue.push(1);
int dist[N + 1];
for(int i = 1; i <= N; ++i){
dist[i] = INF;
}
bool in_coada[N + 1];
in_coada[1] = true;
dist[1] = 0;
while(!pri_queue.empty()){
int nod_curr = pri_queue.top();
pri_queue.pop();
std::cout << nod_curr;
in_coada[nod_curr] = false;
for(int j = 0; j < Graph[nod_curr].size(); ++j){
int cost = Graph[nod_curr][j].cost;
int capat = Graph[nod_curr][j].capat;
int tmp = dist[nod_curr] + cost;
if(dist[capat] > tmp){
dist[capat] = tmp;
if(!in_coada[capat]){
pri_queue.push(capat);
in_coada[capat] = true;
}
}
}
}
for(int i = 2; i <= N; ++i){
if(dist[i] == INF){
out << 0 << ' ';
}
else{
out << dist[i] << ' ';
}
}
return 0;
}