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#include <fstream>
#include <vector>
#include <queue>
#define MX 50001
using namespace std;
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
struct vecin
{
int j,c; //tinem minte nodul vecin si lungimea muchiei
};
struct nod
{
int i,*d; //numarul nodului si distanta de la 1 la acesta
}t[MX];
struct comp
{
bool operator() (nod a, nod b)
{
return (*(a.d) > *(b.d));
}
};
int n,m;
int d[MX];
queue<vecin> v[MX];
priority_queue<nod, vector<nod>, comp> p;
void citire()
{
int i,a,b,c;
vecin x;
fin>>n>>m;
for(i=1; i<=m; i++)
{
fin>>a>>b>>c;
x.j = b;
x.c = c;
v[a].push(x);
}
for(i=1; i<=n; i++)
{
t[i].i = i;
t[i].d = &d[i];
}
}
void dijkstra()
{
p.push(t[1]);
nod x;
vecin y;
int i,r;
while(!p.empty())
{
x = p.top();
p.pop();
i = x.i;
while(!v[i].empty())
{
y = v[i].front();
v[i].pop();
r = *(t[i].d) + y.c;
if(d[y.j]==0 || r<d[y.j])
{
d[y.j] = r;
}
p.push(t[y.j]);
}
}
}
int main()
{
citire();
dijkstra();
for(int i=2; i<=n; i++) fout<<d[i]<<' ';
fin.close(); fout.close();
return 0;
}