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#include <bits/stdc++.h>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector <int> v[100001];
queue <int> q;
int n,m,a,b,nr,s,nod,c[100001];
int main()
{
f>>n>>m>>s;
for(int i=1;i<=m;i++)
{
f>>a>>b;
v[a].push_back(b);
}
for(int i=1;i<=n;i++)
c[i]=100001;
q.push(s);
c[s]=0;
while(!q.empty())
{
nod=q.front();
q.pop();
for(int i=0;i<v[nod].size();i++)
if(c[v[nod][i]]==100001)
q.push(v[nod][i]),c[v[nod][i]]=c[nod]+1;
}
for(int i=1;i<=n;i++)
if(c[i]==100001) g<<-1<<" ";
else
g<<c[i]<<" ";
return 0;
}