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#include <fstream>
#include <vector>
#include <queue>
#define NMAX 50002
#define INF 1000000002
using namespace std;
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
int n, p = 1;
vector<pair<int, int>> G[NMAX];
int cmin[NMAX];
int fr[NMAX];
// class ComparVf
// {
// public:
// bool operator()(int x, int y)
// {
// return cmin[x] > cmin[y];
// }
// };
priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> H;
void citire();
void dijkstra();
void afisare();
int main()
{
citire();
dijkstra();
afisare();
return 0;
}
void citire()
{
int i, j, c, m, k;
pair<int, int> vf;
fin >> n >> m;
for (k = 0; k < m; k++)
{
fin >> i >> j >> c;
vf.first = j;
vf.second = c;
G[i].push_back(vf);
}
}
void dijkstra()
{
int i, x, vfmin, c;
H.push(make_pair(0, p));
for (i = 1; i <= n; i++)
cmin[i] = -1;
cmin[p] = 0;
while (!H.empty())
{
vfmin = H.top().second;
H.pop();
if (cmin[vfmin] == -1)
break;
if (!fr[vfmin])
{
for (i = 0; i < G[vfmin].size(); i++)
{
x = G[vfmin][i].first;
c = G[vfmin][i].second;
if (cmin[x] > cmin[vfmin] + c || cmin[x] == -1)
{
cmin[x] = cmin[vfmin] + c;
H.push(make_pair(cmin[x], x));
}
}
fr[vfmin] = 1;
}
}
}
void afisare()
{
int i;
for (i = 2; i <= n; i++)
if (cmin[i] != -1)
fout << cmin[i] << ' ';
else
fout << 0 << ' ';
fout << '\n';
}