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#include <fstream>
#include <vector>
#include <deque>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
deque<pair<int, int>> q;
vector<int> v[100001];
int vizit[100001];
int n, m, s;
int main()
{
fin >> n >> m >> s;
for (int a, b; m; m--){
fin >> a >> b;
v[a].push_back(b);
}
q.push_back(make_pair(s, 0));
while(!q.empty()){
int x = q.front().first;
for (auto it: v[x])
if (!vizit[it]){
int len = q.front().second + 1;
q.push_back(make_pair(it, len));
vizit[it] = len;
}
q.pop_front();
}
vizit[s] = 0;
for (int i = 1; i <= n; i++)
if (!vizit[i] && i != s)
fout << -1 << ' ';
else fout << vizit[i] << ' ';
return 0;
}