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#include <fstream>
#include <iostream>
#define nmax 100005
#include <vector>
using namespace std;
int n,m,s,D[nmax],nr[nmax],C[nmax];
vector<int>Q[nmax];
ifstream fin("bfs.in");
ofstream fout("bfs.out");
void Create()
{
int i;
for(i=0;i<nmax;i++)
D[i]=-1;
}
int main()
{
int i,x,y,k=1,j;
fin>>n>>m>>s;
for(i=1;i<=m;i++)
{
fin>>x>>y;
Q[x].push_back(y);
}
for(i=1;i<=n;i++)
nr[i] = Q[i].size();
Create();
C[1] = s;
D[s]=0;
for(i=1;i<=k;i++)
for(j = 0; j < nr[C[i]]; j++)
if(D[Q[C[i]][j]]==-1)
{
C[++k] = Q[C[i]][j];
D[C[k]] = D[C[i]] + 1;
}
for(i=1;i<=n;i++)
fout << D[i]<<' ';
return 0;
}