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#include <fstream>
#include <vector>
#include <queue>
#define Max 100000
using namespace std;
ifstream fin ("bfs.in");
ofstream fout("bfs.out");
vector <int> graph[Max];
queue <int> q;
int v[Max], n, m, s, x, y;
void bfs (int node)
{
q.push(node);
v[node] = 1;
while (!q.empty())
{
node = q.front();
q.pop();
for (int i : graph[node])
if (!v[i])
{
q.push(i);
v[i] = v[node] + 1;
}
}
}
void read()
{
fin >> n >> m >> s;
for (int i = 1 ; i <= m ; ++i)
{
fin >> x >> y;
graph[x].push_back(y);
}
}
void Fout()
{
for (int i = 1 ; i <= n ; ++i)
if (v[i])
fout << v[i] - 1 << " ";
else
fout << -1 << " ";
}
int main()
{
read();
bfs(s);
Fout();
fin.close();
fout.close();
return 0;
}