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#include <iostream>
#include <fstream>
#include <queue>
#include <vector>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
vector <int> v[100001];
queue <int> bfsq;
//int bfsq[100001], st, en;
int d[100001];
bool viz[100001];
int n, m, start, yy, xx, nod;
void readit()
{
in>>n>>m>>start;
while(m--) in>>yy>>xx, v[yy].push_back(xx);
bfsq.push(start);
viz[start]=1;
}
void BFS()
{
while(!bfsq.empty())
{
nod=bfsq.front();
bfsq.pop();
for(int i=0; i<v[nod].size(); i++)
if(!viz[v[nod][i]]) bfsq.push(v[nod][i]), d[v[nod][i]]=d[nod]+1, viz[v[nod][i]]=1;
}
}
int main()
{
readit();
BFS();
for(int i=1; i<=n; i++)
if(!viz[i]) out<<"-1 ";
else out<<d[i]<<' ';
return 0;
}