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#include <fstream>
#include <queue>
#include <vector>
#include <bitset>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
#define nmax 100001
queue<int>coada;
vector<int>G[nmax];
bitset<nmax>viz;
int n,m,s,i,x,y,nod;
int d[nmax];
void bfs(int x)
{
coada.push(x);
viz[x]=1;
while(!coada.empty())
{
nod=coada.front();
vector <int> :: iterator it;
for(it=G[nod].begin(); it<G[nod].end(); it++)
if(!viz[*it])
{
d[*it]=d[nod]+1;
viz[*it]=1;
coada.push(*it);
}
coada.pop();
}
}
int main()
{
in>>n>>m>>s;
for(i=1; i<=m; i++)
{
in>>x>>y;
G[x].push_back(y);
}
bfs(s);
for(i=1; i<=n; i++)
if(i==s) out<<0<<' ';
else if(viz[i]==0) out<<-1<<' ';
else out<<d[i]<<' ';
}