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#include <fstream>
#include <vector>
#include <queue>
#define infinit 999999
using namespace std;
ifstream cin("bfs.in");
ofstream cout("bfs.out");
vector<int> graf[100001];
queue<int> coada;
int i,j,x,y,n,m,drum[100001],s,ok;
int main()
{
cin>>n>>m>>s; //n=nr noduri, m=nr muchii
for(i=1; i<=m; i++)
{
cin>>x>>y;
graf[x].push_back(y);
}
for(i=1; i<=n; i++)
drum[i]=infinit;
coada.push(s); drum[s]=0;
while(!coada.empty())
{
ok=coada.front(); coada.pop();
for(int i=0; i<graf[ok].size(); i++)
if(drum[graf[ok][i]]>drum[ok]+1)
{
drum[graf[ok][i]]=drum[ok]+1;
coada.push(graf[ok][i]);
}
}
for(i=1; i<=n; i++)
if(drum[i]==infinit)
cout<<"-1 ";
else
cout<<drum[i]<<" ";
}