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#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
struct Comp
{
bool operator()(pair <int, pair <int, int> > s1, pair <int, pair <int, int> > s2)
{
return s1.first > s2.first;
}
};
int main()
{
int n, m, x, y, c;
unsigned int i;
vector <pair <int, int> > *v;
fin >> n >> m;
v = new vector <pair <int, int> >[n + 1];
for(int i = 1; i <= m; i++)
{
fin >> x >> y >> c;
v[x].push_back(make_pair(y, c));
v[y].push_back(make_pair(x, c));
}
int *d = new int [n + 1];
int *viz = new int [n + 1];
vector <pair <int, pair <int, int> > >vec;
for(int i = 2; i <= n; i++)
{
viz[i] = 0;
d[i] = 1005;
}
viz[1] = 1;
d[1] = 0;
for(i = 0; i < v[1].size(); i++)
{
vec.push_back(make_pair(v[1][i].second,make_pair(v[1][i].first, 1)));
d[v[1][i].first] = v[1][i].second;
}
make_heap(vec.begin(), vec.end(), Comp());
while(!vec.empty())
{
x = vec[0].second.first;
y = vec[0].second.second;
c = vec[0].first;
pop_heap (vec.begin(), vec.end(), Comp());
vec.pop_back();
if(viz[x] == 0)
{
for(i = 0; i < v[x].size(); i++)
{
if(viz[v[x][i].first] == 0 && v[x][i].second + d[x] < d[v[x][i].first])
{
d[v[x][i].first] = v[x][i].second + d[x];
vec.push_back(make_pair(v[x][i].second + d[x], make_pair(v[x][i].first, x)));
push_heap (vec.begin(), vec.end(), Comp());
}
}
viz[x] = 1;
}
}
for(int i = 2; i <= n; i++)
{
fout << d[i] << " ";
}
fin.close();
fout.close();
return 0;
}