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#include <fstream>
#include <queue>
#include <vector>
#define DIM 100010
using namespace std;
int n, m, s;
vector <int> graf[DIM];
queue <int> q;
bool viz[DIM];
int dist[DIM];
void BFS()
{
int x;
q.push(s);
viz[s] = true;
while (!q.empty())
{
x = q.front();
q.pop();
for (int i = 0;i < (int)graf[x].size();++i)
if (!viz[graf[x][i]])
{
dist[graf[x][i]] = dist[x] + 1;
q.push(graf[x][i]);
viz[graf[x][i]] = true;
}
}
}
int main()
{
ifstream fin("bfs.in");
ofstream fout("bfs.out");
fin >> n >> m >> s;
int x, y;
for (int i = 1;i <= m;++i)
{
fin >> x >> y;
graf[x].push_back(y);
}
BFS();
for (int i = 1;i <= n;++i)
if (i != s && dist[i] == 0)
fout << -1 << " ";
else
fout << dist[i] << " ";
fin.close();
fout.close();
return 0;
}