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#include <iostream>
#include <vector>
#include <queue>
#include <fstream>
#define Nmax 100001
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector <int> gr[Nmax];
queue <int> dr;
int n, m,s;
int v[Nmax];
int main()
{
f>>n>>m>>s;
int x, y;
for(int i=1;i<=m;i++)
{
f>>x>>y;
gr[x].push_back(y);
}
dr.push(s);
while(!dr.empty())
{
int fr=dr.front();
dr.pop();
for(auto i:gr[fr])
{
if(v[i]==0 && i!=s){
v[i]=v[fr]+1;
dr.push(i);
}
}
}
for(int i=1;i<=n;i++)
{
if(v[i]==0 && i!=s)
g<<"-1 ";
else
g<<v[i]<<" ";
}
return 0;
}