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#include <fstream>
#include <vector>
#include<queue>
using namespace std;
ifstream fin ("dfs.in");
ofstream fout("dfs.out");
int viz[100005];
queue<int>q;
int n,nr=1,s;
bool ok=0;
vector<int>v[2000009];
void bfs(int nod)
{
viz[nod]=1;
int k;
q.push(nod);
while(!q.empty())
{
ok=0;
k=q.front();
for(int i=0;i<v[k].size();i++)
{
if(!viz[v[k][i]])
{
viz[v[k][i]]=nr;
q.push(v[k][i]);
ok=1;
}
}
if(ok==1)
nr++;
q.pop();
}
}
int main()
{
int m,x,y;
fin>>n>>m>>s;
for(int i=1; i<=m; i++)
{
fin>>x>>y;
v[x].push_back(y);
}
bfs(s);
for(int i=1;i<=n;i++)
{
if(viz[i]==0)
viz[i]=-1;
}
viz[s]=0;
for(int i=1;i<=n;i++)
fout<<viz[i]<<" ";
}