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#include<fstream>
#include<vector>
#include<queue>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n,m,i,j,s,x,y,cap;
int nr[100001];
vector<int> v[100001];
queue<int> q;
int main()
{
f>>n>>m>>s;
for(i=1;i<=n;i++)
nr[i]=-1;
for(i=1;i<=m;i++)
{
f>>x>>y;
v[x].push_back(y);
}
q.push(s);
nr[s]=0;
/* for(i=1;i<=n;i++)
{
for(j=0;j<v[i].size();j++)
g<<v[i][j]<<" ";
g<<'\n';
}
g<<'\n'; */
while(!q.empty())
{
cap=q.front();
// g<<v[cap][0]<<'\n'; // g<<nr[1]<<'\n'<<'\n';
for(i=0;i<v[cap].size();++i)
if(nr[v[cap][i]]==-1)
{
q.push(v[cap][i]);// g<<v[cap][i]<<'\n';
nr[v[cap][i]]=nr[cap]+1;
}
q.pop();
}
for(i=1;i<=n;++i)
g<<nr[i]<<" ";
f.close();g.close();
return 0;
}