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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream in("dijkstra.in");
ofstream out("dijkstra.out");
int N, M;
const int inf = 0x7fffffff;
vector<pair<int,int>> arcs[50001];
vector<int> distances;
int main() {
in >> N >> M; //citim nr noduri/arce
distances.resize(N+1, inf); //initial consideram distantele spre toate nodurile iufinite
for (int i = 1; i <= M; ++i) {
int cost, a, b;
in >> a >> b >> cost; //citim arcele
arcs[a].emplace_back(b, cost);
}
distances[1] = 0; //nodul de start
queue<int> tobevisited; //ce noduri sa vizitam
tobevisited.push(1); //incepem de la nodul de start
while(!tobevisited.empty()){//cat timp avem ce vizita
int nod = tobevisited.front();
tobevisited.pop();
for(auto& vecin : arcs[nod]) {//verificam toate nodurile in care putem ajunge din nod
if(vecin.second == inf) continue;
if(distances[vecin.first] > distances[nod] + vecin.second) {//daca putem ajunge intr-un nod i, si ajugnem mai rapid decat stiam pana acum
distances[vecin.first] = distances[nod] + vecin.second;//actualizam distanta
tobevisited.push(vecin.first);//si revizitam nodul sa verificam daca se scurteaza si alte distante
}
}
}
for (int i = 2; i <= N; ++i) {
if (distances[i] == inf) {
distances[i] = 0;
}
out << distances[i] << ' ';
}
out << '\n';
in.close();
out.close();
}