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#include <bits/stdc++.h>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int main()
{
int n, m, s;
fin >> n >> m >> s;
vector <int> adiacente[n+1];
vector <int> distanta(n+1, -1);
for (int i = 1; i < m; ++i)
{
int x, y;
fin >> x >> y;
adiacente[x].push_back(y);
}
queue <int> coada;
vector <bool> vizitat(n+1, false);
vizitat[s] = 1;
distanta[s] = 0;
coada.push(s);
while (coada.empty() == false)
{
int current = coada.front();
//cout << current << endl;
coada.pop();
for(int i = 0; i < adiacente[current].size(); ++i)
{
if(vizitat[adiacente[current][i]] == false)
{
distanta[adiacente[current][i]] = distanta[current] + 1;
vizitat[adiacente[current][i]] = true;
coada.push(adiacente[current][i]);
//cout << "adaug " << adiacente[current][i] << endl;
}
}
}
for (int i = 1; i <= n; ++i)
cout << distanta[i] << " ";
cout << endl;
return 0;
}