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#include <bits/stdc++.h>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
const int nx=100002;
vector < int > v[nx];
int dist[nx],n,m,start,i,j;
void bfs (int start)
{
for(int i=1; i<=n; i++)
dist[i]=INT_MAX;
dist[start]=0;
queue < int > q;
q.push(start);
while(!q.empty())
{
int i=q.front();
q.pop();
for(vector < int > :: iterator it=v[i].begin(); it!=v[i].end(); it++)
if(dist[*it]>dist[i]+1)
{
dist[*it]=dist[i]+1;
q.push(*it);
}
}
for(int i=1; i<=n; i++)
out<<(dist[i]==INT_MAX? -1:dist[i])<<' ';
}
int main()
{
in>>n>>m>>start;
for(;m;m--)
{
in>>i>>j;
v[i].push_back(j);
}
bfs(start);
return 0;
}