Cod sursa(job #567144)
#include <cmath>
#include <fstream>
#include <set> // heap with lazy deletion
#include <vector>
using namespace std;
const double eps = 0.0000001;
const double INF = 1000;
const int MOD = 104659;
typedef pair<double, int> E;
typedef vector<E> VE;
int N, M;
VE V[1502];
set<E> H;
double D[1502];
int nD[1502];
int main()
{
ifstream fin("dmin.in");
ofstream fout("dmin.out");
fin >> N >> M;
int p1, p2; double cost;
for (int i = 1; i <= M; ++i)
{
fin >> p1 >> p2 >> cost;
V[p1].push_back(make_pair(log10(cost), p2));
V[p2].push_back(make_pair(log10(cost), p1));
}
for (int i = 2; i <= N; ++i) D[i] = INF;
for (VE::iterator it = V[1].begin(); it != V[1].end(); ++it)
{
H.insert(*it);
nD[it->second] = 1;
D[it->second] = it->first;
}
for (int step = 1; step < N; ++step)
{
E now = *H.begin(); H.erase(H.begin());
for (VE::iterator it = V[now.second].begin(); it != V[now.second].end(); ++it)
if (fabs(D[now.second] + it->first - D[it->second]) < eps)
nD[it->second] += nD[now.second];
else if (D[now.second] + it->first < D[it->second])
{
D[it->second] = D[now.second] + it->first;
nD[it->second] = nD[now.second];
H.insert(make_pair(D[it->second], it->second));
}
}
for (int i = 2; i <= N; ++i)
fout << nD[i] << ' ';
fin.close();
fout.close();
}