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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>a[100005];
int f[100005];
int dist[100005];
queue <int>q;
int main()
{
int n,m,s,x,y,i,num;
fin>>n>>m>>s;
for(i=1;i<=m;i++)
{
fin>>x>>y;
a[x].push_back(y);
}
q.push(s);
f[s]=1;
while(!q.empty())
{
num=q.front();
for(i=0;i<a[num].size();i++) ///vecinii nevizitati
if(f[a[num][i]]==0)
{
q.push(a[num][i]);
f[a[num][i]]=1;
dist[a[num][i]]=dist[num]+1;
}
q.pop();
}
for(i=1;i<=n;i++)
{
if(f[i]==0)
fout<<"-1 ";
else
fout<<dist[i]<<" ";
}
return 0;
}