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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
vector<int> distanta(int sursa, int n, vector<vector<int>> adj)
{
vector<int> d(n + 1, n + 1);
queue<int> q;
d[sursa] = 0;
q.push(sursa);
while (!q.empty())
{
int nod = q.front();
q.pop();
for (auto vecin : adj[nod])
if (d[vecin] > d[nod] + 1)
{
d[vecin] = d[nod] + 1;
q.push(vecin);
}
}
return d;
}
int main()
{
ifstream fin ("bfs.in");
ofstream fout ("bfs.out");
int n, m, a, b, i, sursa;
fin >> n >> m >> sursa;
vector<vector<int>> adj(n + 1);
for (i = 0; i < m; i++)
{
fin >> a >> b;
adj[a].push_back(b);
}
vector <int> v = distanta(sursa, n, adj);
for (i = 1; i <= n; i++)
if (v[i] == n + 1)
cout << -1 << " ";
else
cout << v[i] << " ";
return 0;
}