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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
int main()
{
ifstream in("bfs.in");
ofstream out("bfs.out");
vector<long> *graf;
queue<long> que;
long *dist;
long n, m, s, a, b, aux;
in>>n>>m>>s;
graf = new vector<long>[n+1];
dist = new long[n+1];
for(long i=1; i<=n; ++i)
dist[i]=-1;
for(long i=0; i<m; ++i)
{
in>>a>>b;
graf[a].push_back(b);
}
que.push(s);
dist[s]=0;
while(!que.empty())
{
aux=que.front();
que.pop();
for(vector<long>::iterator it=graf[aux].begin(), ed=graf[aux].end(); it!=ed; ++it)
{
if(dist[*it]==-1)
{
dist[*it]=dist[aux]+1;
que.push(*it);
}
}
}
for(long i=1; i<=n; ++i) out<<dist[i]<<' ';
in.close(); out.close();
return 0;
}