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#include <fstream>
#include <vector>
#include <cstring>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
const int NMax = 100000;
vector <int> G[NMax + 5];
int N,M,Start;
int Q[NMax + 5],k;
int D[NMax + 5];
void Read()
{
fin >> N >> M >> Start;
for(int i = 1; i <= M; ++i)
{
int x,y;
fin >> x >> y;
G[x].push_back(y);
}
}
void BFS()
{
memset(D,-1,sizeof(D));
Q[++k] = Start;
D[Start] = 0;
for(int j = 1; j <= k; ++j)
{
int Current_Node = Q[j];
for(int i = 0; i < (int)G[Current_Node].size(); ++i)
{
int Vecin = G[Current_Node][i];
if(D[Vecin] == -1)
{
Q[++k] = Vecin;
D[Vecin] = D[Current_Node] + 1;
}
}
}
}
void Print()
{
for(int i = 1; i <= N; ++i)
fout << D[i] << " ";
fout << "\n";
}
int main()
{
Read();
BFS();
Print();
return 0;
}