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#include <bits/stdc++.h>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
const int N=10000001;
vector <int> a[N];
int n,m,v[N],d[N],st=-1,dr,k;
int main()
{
int x,y,i,j;
fin>>n>>m>>k;
for(i=1;i<=m;i++)
{
fin>>x>>y;
a[x].push_back(y);
}
for(i=0;i<=n;i++)
{
d[i]=-1;
}
v[++dr]=k;
d[k]=0;
while(st<=dr)
{
x=v[st++];
for(i=0;i<a[x].size();i++)
{
y=a[x][i];
if(d[y]==-1)
{
v[++dr]=y;
d[y]=1+d[x];
}
}
}
for(i=1;i<=n;i++)
{
fout<<d[i]<<" ";
}
return 0;
}