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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, s, x, y, viz[100001], d[100001];
vector<int> G[100001];
queue<int> q;
int main()
{
fin >> n >> m >> s;
for(int i = 1; i <= n; i++)
d[i] = -1;
d[s] = 0;
for(int i = 1; i <= m; i++)
{
fin >> x >> y;
G[x].push_back(y);
}
q.push(s);
while(!q.empty())
{
viz[s] = 1;
int nod = q.front();
q.pop();
for(int i = 0; i < G[nod].size(); i++)
{
if(viz[G[nod][i]] == 0)
{
q.push(G[nod][i]);
viz[G[nod][i]] = 1;
d[G[nod][i]] = d[nod] + 1;
}
}
}
for(int i = 1; i <= n; i++)
{
fout << d[i] << " ";
}
return 0;
}