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#include <iostream>
#include <vector>
#include <queue>
#include <fstream>
using namespace std;
int vz[100],viz[100],tata[100],a,m,n,e,b,c,x,y,k=0,j;
ifstream f("bfs.in");
ofstream g("bfs.out");
int main()
{
int i;
vector <long int> v[100];
queue <long int> q;
f>>n>>m>>a;
for(i=1;i<=m;i++)
{
f>>e>>b;
v[e].push_back(b);
}
q.push(a);
viz[a]=1;
while(q.size()>0)
{
x=q.front();
q.pop();
for(int i=0;i<v[x].size();i++)
if(viz[v[x][i]]==0)
{
viz[v[x][i]]=1;
q.push(v[x][i]);
tata[v[x][i]]=x;
}
}
for(i=1;i<=n;i++)
if(viz[i])
{
j=i;
k=0;
while(tata[j])
{
k++;
j=tata[j];
}
g<<k<<" ";
}
else
g<<-1<<" ";
return 0;
}