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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin ("bfs.in");
ofstream fout ("bfs.out");
long long n, m, k, cnt = 0,d[100003], x, y, viz[100001];
vector<int>g[100001];
queue<int>q;
int main()
{
fin >> n >> m >> k;
for(int i = 1; i <= n; i++)
d[i] = -1;
for(int i = 1; i <= m; i++)
{
fin >> x >> y;
g[x].push_back(y);
}
q.push(k);
d[k] = 0;
viz[k] = 1;
while (!q.empty())
{
int nod = q.front();
q.pop();
for(int i = 0; i < g[nod].size(); i++)
{
if(viz[g[nod][i]] == 0)
{
d[g[nod][i]] = d[nod] + 1;
q.push(g[nod][i]);
viz[g[nod][i]] = 1;
}
}
}
for(int i = 1; i <= n; i++)
fout << d[i] << " ";
return 0;
}