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#include <fstream>
#include <deque>
#include <algorithm>
using namespace std;
deque <int> l[100005];
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n,m,r,i,x,y,st,dr,vec,c[100005],v[100005];
int main()
{
fin >> n >> m >> r;
for (i=1;i<=m;i++)
{
fin >> x >> y;
l[x].push_back(y);
}
for (i=1;i<=n;i++) sort (l[i].begin(),l[i].end());
st=1;
dr=1;
c[st]=r;
v[r]=1;
while (st<=dr)
{
for (i=0;i<l[c[st]].size();i++)
{
vec=l[c[st]][i];
if (v[vec]==0)
{
v[vec]=v[c[st]]+1;
dr++;
c[dr]=vec;
}
}
st++;
}
for (i=1;i<=n;i++) fout << v[i]-1 << " ";
return 0;
}