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#define inf 0x3f3f3f3f
#define DM 100001
#include <cstring>
#include <fstream>
#include <queue>
#include <vector>
using namespace std;
ifstream fi ("bfs.in");
ofstream fo ("bfs.out");
int n, m, s, a, b, dst[DM];
queue <int> q;
vector <int> v[DM];
void bfs()
{
q.push(s);
while (!q.empty())
{
a = q.front();
b = dst[a];
q.pop();
for (auto i:v[a])
if (dst[i] > b + 1)
{
dst[i] = b + 1;
q.push(i);
}
}
}
int main()
{
fi >> n >> m >> s;
memset(dst, inf, sizeof(dst));
for (int i = 1; i <= m; ++i)
{
fi >> a >> b;
v[a].push_back(b);
}
dst[s] = 0;
bfs();
for (int i = 1; i <= n; ++i)
if (dst[i] == inf)
fo << -1 << ' ';
else
fo << dst[i] << ' ';
return 0;
}