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#include <iostream>
#include <fstream>
#include <queue>
#include <vector>
#include <limits.h>
#define INF INT_MAX
#define NMAX 1000001
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n,m,s,a,b,D[NMAX];
vector <int> G[NMAX];
queue <int> q;
void Citire()
{
f>>n;
f>>m;
f>>s;
for(int i=1;i<=m;i++)
{
f>>a;
f>>b;
G[a].push_back(b);
}
}
void Rezolvare(int Start)
{
int Curent,Vecin;
D[Start]=1;
q.push(Start);
while(!q.empty())
{
Curent=q.front();
q.pop();
for(size_t i=0;i<G[Curent].size();i++)
{
Vecin=G[Curent][i];
if(D[Vecin]==0)
{
D[Vecin]=D[Curent]+1;
q.push(Vecin);
}
}
}
}
void Afisare()
{
for(int i=1;i<=n;i++)
{
if(D[i]!=INF)
g<<D[i]-1<<' ';
else
g<<-1<<' ';
}
}
int main()
{
Citire();
Rezolvare(s);
Afisare();
return 0;
}