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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
std::ifstream fin("bfs.in");
std::ofstream fout("bfs.out");
std::vector<int> noduri[100002];
int n, m, s;
int visited[100002];
void citire()
{
fin>>n>>m>>s;
int a, b;
for(int i = 0; i < m; i++)
{
fin>>a>>b;
if(a != b)
{
noduri[a].push_back(b);
}
}
for(int i = 1; i <= n; i++)
{
visited[i] = -1;
}
}
void bfs(int nod)
{
std::queue<int> indici;
indici.push(nod);
visited[nod] = 0;
// std::cout<<nod<<' ';
int nr = 1;
while(indici.size())
{
for(int i = 0; i < noduri[indici.front()].size(); i++)
{
if(visited[noduri[indici.front()][i]] == -1)
{
// if(visited[indici.front()] + 1 == 0)
// {
// std::cout<<indici.front()<<' '<<noduri[indici.front()][i]<<'\n';
// }
indici.push(noduri[indici.front()][i]);
visited[noduri[indici.front()][i]] = visited[indici.front()] + 1;///nr;
}
}
indici.pop();
}
for(int i = 1; i <= n; i++)
{
// std::cout<<i<<": "<<visited[i]<<'\n';
fout<<visited[i]<<' ';
}
}
int main()
{
citire();
bfs(s);
return 0;
}