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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector<int> v[100010];
int d[100010];
char vaz[100010];
void bfs(int nod)
{
queue<int> q;
q.push(nod);
vaz[nod]=1;
d[nod]=0;
while(!q.empty())
{
int nod=q.front();
q.pop();
for(int i=0;i<v[nod].size();i++)
if(!vaz[v[nod][i]])
{
d[v[nod][i]]=d[nod]+1;
vaz[v[nod][i]]=1;
q.push(v[nod][i]);
}
}
}
int main()
{
int n,m,nod,x,y;
fin>>n>>m>>nod;
for(int i=1;i<=m;i++)
{
fin>>x>>y;
v[x].push_back(y);
}
bfs(nod);
for(int i=1;i<=n;i++)
if(!vaz[i]) fout<<"-1 ";
else fout<<d[i]<<" ";
return 0;
}