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#include <fstream>
#include <vector>
#define maxn 100002
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector <int> g[maxn];
int viz[maxn], dist[maxn], n, m, s;
void read()
{
int x, y;
fin >> n >> m >> s;
for (int i = 0; i < m; i++) {
fin >> x >> y;
g[x].push_back(y);
}
}
void write()
{
for (int i = 1; i <= n; i++)
if (dist[i] > 0 || i == s)
fout << dist[i] << ' ';
else
fout << "-1" << ' ';
}
void solve()
{
int p, u, c[maxn], aux;
vector <int>::iterator it;
viz[s] = 1;
p = u = 1;
c[u] = s;
while (p <= u) {
aux = c[p++];
for (it = g[aux].begin(); it != g[aux].end(); it++)
if (viz[*it] == 0) {
viz[*it] = 1;
dist[*it] = dist[aux] + 1;
c[++u] = *it;
}
}
}
int main()
{
read();
solve();
write();
return 0;
}