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#include <iostream>
#include <fstream>
using namespace std;
ifstream in ("bfs.in");
ofstream out ("bfs.out");
const int N = 100001;
const int M = 1000001;
int n, m, s, nr, x, y;
int d[N], q[N], vf[2*M], lst[N], urm[2*M];
void add(int x, int y){
vf[++nr] = y;
urm[nr] = lst[x];
lst[x] = nr;
}
void bfs(int x0)
{
int st, dr;
for(int i = 1; i <= n; i++)
{
d[i] = -1;
}
st = 0;
dr = -1;
q[++dr] = x0;
d[x0] = 0;
while(st <= dr){
int x = q[st++];
for(int p = lst[x]; p != 0; p = urm[p]){
int y = vf[p];
if(d[y] == -1){
q[++dr] = y;
d[y] = 1 + d[x];
}
}
}
}
int main()
{
in >> n >> m >> s;
for(int i = 1; i <= m; i++){
in >> x >> y;
add(x, y);
}
bfs(s);
for(int i=1; i<=n; i++){
out << d[i] << ' ';
}
return 0;
}