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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, s, i, x, y, nr, a[200005];
vector <int> v[200005];
queue <int> q;
void bfs(int nod)
{
q.push(nod);
a[nod]=1;
while(!q.empty())
{
int x=q.front();
for(auto i:v[x])
{
if(a[i]==0)
{
q.push(i);
a[i]=a[x]+1;
}
}
q.pop();
}
}
int main()
{
fin>>n>>m>>s;
for(i=1; i<=m; i++)
{
fin>>x>>y;
v[x].push_back(y);
}
bfs(s);
for(i=1; i<=n; i++)
if(a[i]==0 && i!=s)
fout<<-1<<" ";
else
fout<<a[i]-1<<" ";
return 0;
}