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#include <fstream>
#include <iostream>
#include <vector>
#include <queue>
#define NMAX 50002
#define INF 1000000000
using namespace std;
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
struct varf {int x, c;};
int n, x0=1;
vector<varf> G[NMAX]; ///liste de adiacenta cu costuri
bool uz[NMAX];
int cmin[NMAX];
void citire();
void dijkstra();
void afisare();
class Compar
{
public:
bool operator() (int a, int b) ///a si b sunt doua varfuri din graf
{
///min heap
return cmin[a]>cmin[b];
}
};
priority_queue<int, vector<int>, Compar> H;
int main()
{
citire();
dijkstra();
afisare();
return 0;
}
void citire()
{int i, j, c, m, k;
varf aux;
fin>>n>>m;
for (k=0; k<m; k++)
{fin>>i>>j>>c;
///in lista de adiacenta a lui i trebuie sa adaug (j,c)
aux.x=j; aux.c=c;
G[i].push_back(aux);
}
for (i=1; i<=n; i++) cmin[i]=INF;
cmin[x0]=0;
}
void dijkstra()
{int i, j, minim, vfmin,gasit=0;
H.push(x0);
for (i=1; i<=n; i++)
{
vfmin=-1;////!!!!
while (!H.empty())
{vfmin=H.top(); H.pop();
if (!uz[vfmin])
{
gasit=1;
break;
}
}
if (gasit==0) break;
uz[vfmin]=1;
minim=cmin[vfmin];
for (j=0; j<G[vfmin].size(); j++)
if (!uz[G[vfmin][j].x] &&
cmin[G[vfmin][j].x]>minim+G[vfmin][j].c)
{cmin[G[vfmin][j].x]=minim+G[vfmin][j].c;
H.push(G[vfmin][j].x);
}
}
}
void afisare()
{int i;
for (i=2; i<=n; i++)
if (cmin[i]==INF) fout<< 0<<' ';
else fout <<cmin[i]<<' ';
fout<<'\n';
}