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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int N,M;
int const NLIM = 10005;
vector <int> Muchii[NLIM];
int Distanta[NLIM];
queue <int> Coada;
void BFS()
{
int Nod, Vecin;
while(!Coada.empty())
{
Nod=Coada.front();
Coada.pop();
for(unsigned int i=0;i<Muchii[Nod].size();i++)
{
Vecin=Muchii[Nod][i];
if(Distanta[Vecin]==-1)
{
Coada.push(Vecin);
Distanta[Vecin]=Distanta[Nod]+1;
}
}
}
}
void Citire()
{
int nodStart;
fin>>N>>M>>nodStart;
for(int i=1;i<=M;i++)
{
int x,y;
fin>>x>>y;
Muchii[x].push_back(y);
}
for(int i=1;i<=N;i++)
Distanta[i]=-1;
Distanta[nodStart]=0;
Coada.push(nodStart);
BFS();
for(int i=1;i<=N;i++)
fout<<Distanta[i]<<" ";
}
int main()
{
Citire();
return 0;
}