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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
fstream fin("bfs.in", ios::in);
fstream fout("bfs.out", ios::out);
#define MAXN 100005
int n, m, start, used[MAXN];
vector <int> list[MAXN];
void read()
{
int x, y;
fin >> n >> m >> start;
for (int i = 1; i <= m; i++)
fin >> x >> y,
list[x].push_back(y);
fin.close();
}
void BFS()
{
queue <int> q;
q.push(start);
used[start] = 1;
while (!q.empty())
{
int node = q.front();
q.pop();
for (int i = 0; i < list[node].size(); i++)
if (!used[list[node][i]])
q.push(list[node][i]),
used[list[node][i]] = used[node] + 1;
}
}
int main()
{
read();
BFS();
for (int i = 1; i <= n; i++)
fout << used[i] - 1 << " ";
fout.close();
return 0;
}