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#include <iostream>
#include <fstream>
#include <bits/stdc++.h>
#define nmax 50010
const int inf = 0x3f3f3f3f;
using namespace std;
ifstream f("dijkstra.in");
ofstream g("dijkstra.out");
vector <pair<int,int>> la[nmax];
int d[nmax];
set <pair<int,int>> s;
int main()
{ int n,m,x,y,c;
f>>n>>m;
// Se introduc perechile (nod, cost) in liste de adiacenta
for(int i=1; i<=m; i++){
f>>x>>y>>c;
la[x].push_back(make_pair(y,c));
}
// Se seteaza vectorul de distante minime cu inf
memset(d, inf, sizeof(d));
d[1]=0;
// Se adauga nodul de start in set
s.insert(make_pair(d[1],1));
while(!s.empty()){
int nod = s.begin()->second;
int dmin = s.begin()->first;
s.erase(s.begin());
// Pentru fiecare vecin al nodului curent se actualizeaza distanta minima
for(int k=0; k<la[nod].size(); k++){
int nod2 = la[nod][k].first;
int cost = la[nod][k].second;
if(dmin+cost< d[nod2]){
if(d[nod2] != inf){
s.erase(s.find(make_pair(d[nod2], nod2)));
}
d[nod2] = dmin+cost;
s.insert(make_pair(d[nod2], nod2));
}
}
}
// Afisare
for(int l=2; l<=n; l++){
if(d[l]==inf) g<<0<<" ";
else g<<d[l]<<" ";
}
f.close();
g.close();
return 0;
}