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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
class graph{
int n;
static const int nmax = 100005;
vector < int > G[nmax];
queue < int > Bfs;
void bfs(int source)
{
vector < int > nodes;
nodes.resize(n + 1, -1);
Bfs.push(source); nodes[source] = 0;
while(!Bfs.empty())
{
int node = Bfs.front();
Bfs.pop();
for(int i = 0; i < G[node].size(); ++i)
{
int nnode = G[node][i];
if(nodes[nnode] == -1)
{
nodes[nnode] = nodes[node] + 1;
Bfs.push(nnode);
}
}
}
for(int i = 1; i <= n; ++i)
out << nodes[i] << " ";
}
public:
void read_bfs()
{
int m, s, x, y;
in >> n >> m >> s;
for(int i = 0; i < m; ++i)
{
in >> x >> y;
G[x].push_back(y);
}
bfs(s);
}
};
int main()
{
graph G;
G.read_bfs();
return 0;
}