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Cod sursa(job #889518)
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("dmin.in");
ofstream fout("dmin.out");
#define NMAX 15007
vector <int> v[NMAX],cost[NMAX];
long double drum[NMAX],eps;
int nr[NMAX],baga[NMAX],n,m;
long double modul(long double a)
{
if(a<0) return -a;
return a;
}
void read()
{
int a,b,c;
fin>>n>>m;
for(int i=1;i<=m;i++)
{
fin>>a>>b>>c;
v[a].push_back(b);
v[b].push_back(a);
cost[a].push_back(c);
cost[b].push_back(c);
}
}
void tipar()
{
fout<<n<<" "<<m<<" ------- READ GRAPH:\n";
for(int i=1;i<=n;i++)
{
for(int j=0;j<v[i].size();j++)
fout<<i<<" "<<v[i][j]<<" "<<cost[i][j]<<"\n";
}
}
void tipar_drum()
{
for(int i=2;i<=n;i++)
fout<<nr[i]<<" ";
// fout<<"\n ";
// for(int i=1;i<=n;i++)
// fout<<drum[i]<<" ";
// fout<<"\n";
}
void bfs()
{
int nod;
long double aux;
drum[1]=1;
nr[1]=1;
queue <int> qnod;
qnod.push(1);
while(!qnod.empty())
{
nod=qnod.front();
qnod.pop();
for(int i=0;i<v[nod].size();i++)
{
aux=drum[nod]*cost[nod][i];
if(drum[v[nod][i]] == 0 || drum[v[nod][i]] > aux)
{
drum[v[nod][i]] = aux;
nr[v[nod][i]] = nr[nod];
baga[v[nod][i]] = 1;
qnod.push(v[nod][i]);
}
else
if(modul(drum[v[nod][i]] - aux)<= eps)
{
nr[v[nod][i]] += nr[nod];
}
// fout<<nod<<" | ";
// tipar_drum();
}
}
}
int main()
{
read();
// tipar();
eps=1e-10;
bfs();
tipar_drum();
//fout<<modul(-eps);
}