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#include <queue>
#include <vector>
#include <fstream>
using namespace std;
int n, m, s;
vector<int> v[100002];
queue<int> coada;
int a[100002];
bool p[100002];
int bfs(int nod)
{
for (int i = 0; i < v[nod].size(); ++i)
{
if (!p[v[nod][i]])
{
a[v[nod][i]] = a[nod] + 1;
p[v[nod][i]] = 1;
bfs(v[nod][i]);
}
}
}
int main()
{
ifstream fin("bfs.in");
fin >> n >> m >> s;
int x, y;
for (int i = 1; i <= m; ++i)
{
fin >> x >> y;
v[x].push_back(y);
}
a[s] = 0;
p[s] = 1;
// int nod;
/* coada.push(s);
while (!coada.empty())
{
nod = coada.front();
// fout << nod << " ";
for (int i = 0; i < v[nod].size(); ++i)
{
if (!p[v[nod][i]])
{
a[v[nod][i]] = a[nod] + 1;
p[v[nod][i]] = 1;
coada.push(v[nod][i]);
}
}
coada.pop();
}*/
// fout << "\n\n";
bfs(s);
ofstream fout("bfs.out");
for (int i = 1; i <= n ; ++i)
{
if (!p[i])
{
fout << "-1 ";
}
else
fout << a[i] << " ";
}
}
/* for (int i = 1; i <= n; ++i)
{
fout << i << " ";
for (int j = 0; j < v[i].size(); ++j)
{
fout << v[i][j] << " ";
}
fout << "\n";
}*/