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#include <iostream>
#include <cstdio>
#include <vector>
#include <queue>
using namespace std;
vector <int> v[100];
vector <int> w;
queue <int> q;
int n,m,k;
int viz[100000];
void citire()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
scanf("%d%d%d",&n,&m,&k);
for(int i=0;i<=n;i++)
w.push_back(-1);
w[k]=0;
int x,y;
for(int i=0;i<m;i++)
{
scanf("%d%d",&x,&y);
v[x].push_back(y);
}
}
void bfs(int x)
{
q.push(x);
viz[x]=1;
while(!q.empty())
{
int nod=q.front();
q.pop();
{
for(int i=0;i<v[nod].size();i++)
{
if(viz[v[nod][i]]==0)
{
q.push(v[nod][i]);
viz[v[nod][i]]=1;
w[v[nod][i]]=w[nod]+1;
}
}
}
}
}
int main()
{
citire();
bfs(k);
for(int i=1;i<w.size();i++)
printf("%d ",w[i]);
return 0;
}