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#include <bits/stdc++.h>
using namespace std;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
set < pair < int , int > > st;
int n,m;
vector < pair < int , int > > v[50005];
int dist[50005];
int x,y,c;
void citire() {
f >> n >> m;
for (int i=1;i<=m;i++) {
f >> x >> y >> c;
v[x].push_back({y,c});
}
}
void init() {
for (int i=1;i<=n;i++) {
dist[i] = INT_MAX; ///pp ca nu exista nicio distanta => toate vor fi infinit
}
dist[1]=0; ///distanta de la 1 la 1 e 0
st.insert({0,1}); ///o bagam in set => st.insert({distanta,nod});
}
void dijkstra() {
while (st.empty()==0) {
int nod = st.begin()->second; ///luam nodul care va fi cu distanta tinuta minte minima
st.erase(st.begin()); ///il stergem pt ca l-am vizitat
for (auto k:v[nod]) { ///parcurgem muchiile
if (dist[k.first] > dist[nod] + k.second) { ///ver daca am gasit o distanta mai mica
st.erase({dist[k.first],k.first}); ///stergem nodul cu distanta veche daca era cumva in set
dist[k.first] = dist[nod] + k.second; ///initializam noua distanta minima gasita
st.insert({dist[k.first],k.first}); ///bagam nodul cu distanta respectiva in set
}
}
}
}
void afisare() {
for (int i=2;i<=n;i++) {
if (dist[i]==INT_MAX) {
g << 0 << " ";
}
else {
g << dist[i] << " ";
}
}
}
int main()
{
citire();
init();
dijkstra();
afisare();
return 0;
}