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#include <iostream>
#include <fstream>
#include <vector>
#include <deque>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int a,b,n,k,m,i,s,nod[100005],p;
vector<int> veci[100005];
deque<int> co;
int main() {
fin>>n>>m>>s;
for(i=1;i<=n;i++)
nod[i]=-1;
for(i=1;i<=m;i++)
{
fin>>a>>b;
veci[a].push_back(b);
}
co.push_back(s);
nod[s]=0;
while(!co.empty())
{
p=co.front();
co.pop_front();
for(i=0;i<veci[p].size();i++)
{
if(nod[veci[p][i]]==-1)
{
nod[veci[p][i]]=nod[p]+1;
co.push_back(veci[p][i]);
}
}
}
for(i=1;i<=n;i++)
fout<<nod[i]<<" ";
}