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#include<fstream>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int lst[100001], q[100001], d[100001];
int vf[2000001], urm[2000001], nr;
void adauga(int x, int y)
{
nr++;
vf[nr]=y;
urm[nr]=lst[x];
lst[x]=nr;
}
void bfs(int s)
{
int i,st,dr,x,y,p;
for(i=1;i<=100001;i++)
{
d[i]=-1;
}
st=0;
dr=-1;
q[dr]=s;
d[s]=0;
while(st<=dr) {
x=q[st++];
for(p=lst[x];p!=0;p=urm[p]) {
y=vf[p];
if(d[y]==-1) {
q[++dr]=y;
d[y]=d[x]+1;
}
}
}
}
int main()
{
int n, m, s, i, a, b;
fin>>n>>m>>s;
for(i=1;i<=m;i++) {
fin>>a>>b;
adauga(a,b);
}
fin.close();
bfs(s);
for(i=1;i<=n;i++)
fout<<d[i]<<" ";
fout.close();
return 0;
}