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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
vector <int> v[100001];
queue <int> q;
int n,m,s,x,y,d[100001];
// v[i] este un vector
int main(){
in>>n>>m>>s;
for(int i=1;i<=m;i++)
{
in>>x>>y; // x->y
v[x].push_back(y);
}
q.push(s);
for(int i=1;i<=n;i++)d[i]=-1;
d[s]=0;// o distanta care exista
while ( !q.empty())
{
x=q.front();
// toti vecinii lui x nevizitati d[vecin]==-1
int l=v[x].size();
for(int i=0;i<l;i++)
if(d[ v[x][i] ]==-1)
{
q.push(v[x][i]);
d[ v[x][i] ] = d[x]+1;
}
q.pop();
}
for(int i=1;i<=n;i++)out<<d[i]<<" ";
return 0;
}