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#include <bits/stdc++.h>
using namespace std;
int const oo = 1000000000;
int const Nmax = 50005;
struct Nod
{
int nod, cost;
bool operator < (const Nod &e) const
{
return cost > e.cost;
}
};
int n, m;
bool viz[Nmax];
int d[Nmax];
vector < Nod >L[Nmax];
priority_queue < Nod > q;
void Read()
{
ifstream fin("dijkstra.in");
fin >> n >> m;
int i, x, y, cost;
for (i = 1; i <= m; i++)
{
fin >> x >> y >> cost;
L[x].push_back({y, cost});
}
fin.close();
}
inline void Init()
{
for (int i = 1; i <= n; i++)
d[i] = oo;
}
void Dijakstra()
{
int vecin, cost, nod;
d[1] = 0;
q.push({1, 0});
while(!q.empty())
{
nod = q.top().nod;
q.pop();
if (!viz[nod])
{
viz[nod] = true;
for (auto i : L[nod])
{
vecin = i.nod;
cost = i.cost;
if (d[vecin] > d[nod] + cost)
{
d[vecin] = d[nod] + cost;
q.push({vecin, d[vecin]});
}
}
}
}
}
void Afisare()
{
ofstream fout ("dijkstra.out");
int i;
for (i = 2; i <= n; i++)
if (d[i] != oo)
fout << d[i] << " ";
else fout << "0 " << " ";
fout << "\n";
fout.close();
}
int main()
{
Read();
Init();
Dijakstra();
Afisare();
return 0;
}