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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
queue <int> Q;
vector <int> a[100005];
bool v[100005];
int C[100005];
int n, m, s;
inline void BFS()
{
for (int i = 1; i <= n; i++)
C[i] = -1;
Q.push(s);
C[s] = 0;
v[s] = true;
while (!Q.empty())
{
int nod = Q.front();
Q.pop();
int l = a[nod].size();
for (int i = 0; i < l; i++)
if (!v[a[nod][i]])
{
v[a[nod][i]] = true;
C[a[nod][i]] = C[nod] + 1;
Q.push(a[nod][i]);
}
}
}
int main()
{
int i, x, y;
fin >> n >> m >> s;
for (i = 1; i <= m; i++)
{
fin >> x >> y;
a[x].push_back(y);
}
BFS();
for (i = 1; i <= n; i++)
fout << C[i] << " ";
return 0;
}