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#include <fstream>
#define fisier "bfs"
std::ifstream in(fisier ".in");
std::ofstream out(fisier ".out");
const int N = 100001;
int D[N];
#include <vector>
std::vector<int> L[N];
#include <deque>
int main()
{
int n, m, s;
in >> n >> m >> s;
while (m--)
{
int a, b;
in >> a >> b;
L[a].push_back(b);
}
for (std::deque<int> Q = {s}; Q.size(); Q.pop_front())
for (int back: L[Q.front()])
if (back != s and not D[back])
{
Q.push_back(back);
D[back] = D[Q.front()] + 1;
}
for (int i = 1; i <= n; i++)
if (i == s)
out << "0 ";
else
out << (D[i]? D[i]: -1) << ' ';
}