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#include <iostream>
#include <fstream>
#include <queue>
#define NMAX 100000
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, s, dist[NMAX+10], viz[NMAX+10];
queue <int> Q;
vector <int> nod[NMAX+10];
void bfs()
{ viz[s] = 1;
Q.push(s);
while(!Q.empty())
{ int x = Q.front();
Q.pop();
for(auto u : nod[x])
if(!viz[u])
{ viz[u] = 1;
dist[u] = dist[x] + 1;
Q.push(u);
}
}
}
int main()
{
fin >> n >> m >> s;
for(int i=1; i<=m; i++)
{ int nod1, nod2;
fin >> nod1 >> nod2;
nod[nod1].push_back(nod2);
}
for(int i=1; i<=n; i++)
dist[i] = -1;
dist[s] = 0;
bfs();
for(int i=1; i<=n; i++)
fout << dist[i] << ' ';
fout << '\n';
return 0;
}