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#include <fstream>
#include <vector>
#include <queue>
#define NMAX 100004
using namespace std;
ifstream fin ("bfs.in");
ofstream fout ("bfs.out");
vector <int>v[NMAX];
queue <int>q;
int sol[NMAX];
int n, m, s, now;
int main()
{
int i, x, y;
fin>>n>>m>>s;
for (i=1; i<=n; i++)
sol[i]=-1;
sol[s]=0;
for (i=1; i<=m; i++)
{
fin>>x>>y;
v[x].push_back(y);
}
q.push(s);
while (!q.empty())
{
now=q.front();
while (!v[now].empty())
{
if (sol[v[now].back()]==-1)
{
sol[v[now].back()]=sol[now]+1;
q.push(v[now].back());
}
v[now].pop_back();
}
q.pop();
}
for (i=1; i<=n; i++)
fout<<sol[i]<<' ';
fout<<'\n';
fin.close();
fout.close();
return 0;
}