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#include <stdio.h>
#include <deque>
#include <vector>
using namespace std;
deque<int> v[100000],coada;
int a,b,n,m,s,i,nod,sol[100001],cnt;
bool viz[100001];
int main()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
scanf("%d%d%d",&n,&m,&s);
for(i=1; i<=m; i++)
{
scanf("%d%d",&a,&b);
v[a].push_front(b);
}
coada.push_front(s);
cnt=1;
while(!coada.empty())
{
nod = coada.front();
if(viz[nod] == 0)
for(i=0; i<v[nod].size(); i++)
{
if(v[nod][i]!=nod)
{
coada.push_back(v[nod][i]);
if(viz[v[nod][i]] == 0 && sol[v[nod][i]] == 0)
sol[v[nod][i]]=cnt;
}
}
cnt++;
viz[nod] = 1;
coada.pop_front();
}
for(i=1; i<s; i++)
printf("%d ",sol[i] ? sol[i] : -1);
printf("0 ");
for(i=s+1; i<=n; i++)
printf("%d ",sol[i] ? sol[i] : -1);
return 0;
}