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#include <iostream>
#include <vector>
#include <queue>
#include <fstream>
#include <cstring>
#include <algorithm>
using namespace std;
ifstream f ("bfs.in");
ofstream g ("bfs.out");
#define Gmax 100010
#define inf 0x3f3f3f3f
vector <int> G[Gmax];
queue <pair<int,int> > q;
int dist[Gmax];
int main()
{
int n,m,s;
f>>n>>m>>s;
for(int i=1;i<=m;i++)
{
int x,y;
f>>x>>y;
G[x].push_back(y);
}
memset(dist, 0x3f, sizeof(dist));
q.push(make_pair(s,0));
while(!q.empty())
{
int nod = q.front().first;
int d = q.front().second;
q.pop();
if(dist[nod] != inf)
continue;
dist[nod] = d;
for(int i=0;i<G[nod].size();i++)
{
q.push(make_pair(G[nod][i],d + 1));
}
}
for(int i=1;i<=n;i++)
{
if(dist[i]==inf)
g<<-1<<' ';
else
g<<dist[i]<<' ';
}
cout<<endl;
return 0;
}