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#include <fstream>
#include <vector>
#define NMAX 100005
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n,m,s;
int viz[NMAX];
int c[NMAX];
int p,u;
vector <int> A[NMAX];
void bfs(int nod)
{
p=u=1;
viz[nod]=1;
c[p]=nod;
while(p<=u)
{
int x=c[p];
p++;
vector <int> ::iterator it;
for(it=A[x].begin();it!=A[x].end();it++)
if(viz[*it]==0)
{
c[++u]=*it;
viz[*it]=1+viz[x];
}
}
}
int main()
{
f>>n>>m>>s;
for(int i=1;i<=m;i++)
{
int x,y;
f>>x>>y;
A[x].push_back(y);
}
bfs(s);
for(int i=1;i<=n;i++)
if(viz[i]==0)
g<<-1<<" ";
else
g<<viz[i]-1<<" ";
f.close();
g.close();
return 0;
}