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#include <iostream>
#include <vector>
#include <queue>
#include <fstream>
using namespace std;
const int N = 100000;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n, m, x;
vector<vector<int>> G(N);
void citire()
{
f >> n >> m >> x;
for (int i = 0; i < m; i++)
{
int a, b;
f >> a >> b;
G[a].push_back(b);
}
}
vector<int> D(N,-1);
bool* viz = new bool[N];
void bfs(int sursa)
{
D[sursa] = 0;
queue<int> q;
q.push(sursa);
memset(viz, 0, sizeof(viz));
viz[sursa] = 1;
while (!q.empty())
{
int nod = q.front();
viz[nod] = 1;
for (auto i : G[nod])
{
if (!viz[i])
{
D[i] = D[nod] + 1;
q.push(i);
viz[i] = 1;
}
}
q.pop();
}
}
int main()
{
citire();
bfs(x);
for (int i = 1; i <= n; i++)
g << D[i] << " ";
return 0;
}