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#include<fstream>
#include<vector>
#include<queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector<int> g[100005];
queue<int> q;
int v[100005];
void bfs(int crt)
{
while (!q.empty())
{
int s = q.front();
q.pop();
for (int i = 0;i< g[s].size(); i++)
{
if (v[g[s][i]] != -1) continue;
v[g[s][i]] = v[s] + 1;
q.push(g[s][i]);
}
}
}
int main()
{
int n, m, s;
fin >> n >> m >> s;
for (int i = 1; i <= m; i++)
{
int a, b;
fin >> a >> b;
g[a].push_back(b);
}
for (int i = 1; i <= n; i++)
{
v[i] = -1;
}
v[s] = 0;
q.push(s);
bfs(s);
for (int i = 1; i <= n; i++)
{
fout << v[i]<< " ";
}
}