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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
const int maxN = 100001;
int n,m,s,d[maxN];
vector<int> a[maxN];
bool viz[maxN];
void bfs(int x){
queue<int> q;
viz[x]=1;
q.push(x);
while(!q.empty()){
x=q.front();
for(int i=0;i<a[x].size();i++){
int y=a[x][i];
if(!viz[y]){
viz[y]=1;
d[y]=d[x]+1;
q.push(y);
}
}
q.pop();
}
}
int main()
{
fin>>n>>m>>s;
int i,j,k;
for(i=1;i<=m;i++){
fin>>j>>k;
a[j].push_back(k);
}
bfs(s);
for(i=1;i<=n;i++)
if(d[i]!=0 || i==s)
fout<<d[i]<<" ";
else
fout<<"-1"<<" ";
return 0;
}