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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin ("bfs.in");
ofstream fout ("bfs.out");
int n, m, s, dist[100005], viz[100005];
vector <int> la[100005];
queue <int> q;
void bfs()
{
while(!q.empty())
{
int nod = q.front();
q.pop();
for (int i = 0; i < la[nod].size(); i++) {
int vecin = la[nod][i];
if (viz[vecin] == 0) {
q.push(vecin);
dist[vecin] = dist[nod] + 1;
viz[vecin] = 1;
}
}
}
}
int main()
{
fin >> n >> m >> s;
for (int i=1; i<=m; i++)
{
int x, y;
fin >> x >> y;
la[x].push_back(y);
}
for (int i=1; i<=n; i++)
{
dist[i]=-1;
viz[i]=0;
}
q.push(s);
dist[s]=0;
viz[s]=1;
bfs();
for (int i=1; i<=n; i++)
{
fout << dist[i] << " ";
}
}