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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector <int> v[100003];
queue <int> q;
int i,j,n, m, S,a,b,aux, ok,freq[100003],sol[100003],cont;
int main()
{
fin>>n>>m>>S;
for(i=0; i<m; i++)
{
fin>>a>>b;
v[a].push_back(b);
}
cont=1;
q.push(S);
freq[S]=1;
while(!q.empty())
{
aux=q.front();
cont=sol[q.front()]+1;
for(int i=0; i<v[aux].size(); i++)
{
if(freq[v[aux][i]]!=1)
{
sol[v[aux][i]]=cont;
freq[v[aux][i]]=1;
q.push(v[aux][i]);
}
}
q.pop();
}
for(int i=1; i<=n; i++)
{if(sol[i]==0 && i!=S)
fout<<-1<<" ";
else
fout<<sol[i]<<" ";
}
return 0;
}