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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
vector <int> v[100000];
queue <int> q;
int n,m,s,viz[100000],dist[100000],d;
ifstream f("bfs.in"); ofstream g("bfs.out");
void citeste(){
int i,x,y;
f>>n>>m>>s;
for (i=1;i<=m;i++){
f>>x>>y;
v[x].push_back(y);
}
}
void bfs(int s){
int x;
q.push(s);
viz[s]=1;
while (!q.empty()) {
x=q.front();
q.pop();
for ( unsigned i=0;i<v[x].size();i++)
if (viz[v[x][i]]==0) {
q.push(v[x][i]);
viz[v[x][i]]=1;
dist[v[x][i]]=dist[x]+1;
}
}
}
void afisare(){
int i;
for (i=1;i<=n;i++)
if ((dist[i]!=0)&&(i!=s)) g<<dist[i]<<' ';
else if (i==s) g<<0<<' '; else g<<-1<<' ';
}
int main(){
citeste();
bfs(s);
afisare();
}