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#include<stdio.h>
using namespace std;
FILE*f=fopen("bfs.in","r");
FILE*g=fopen("bfs.out","w");
struct nod {
int inf;
nod *urm;
} *v[100005];
int n,m,s,x,y,i,q[100005],d[100005];
void adaug(nod *&a, int x) {
nod *p=new nod;
p->inf=x; p->urm=a;
a=p;
}
void bf(int x) {
int p=1,u=1;
nod *j;
q[1]=x; d[x]=0;
while(p<=u) {
for(j=v[x];j!=NULL;j=j->urm)
if(d[j->inf]==-1) {
d[j->inf]=1;
q[++u]=j->inf;
d[j->inf]=d[x]+1;
}
p++; x=q[p];
}
}
int main() {
fscanf(f,"%d%d%d",&n,&m,&s);
for(i=1;i<=m;i++) {
fscanf(f,"%d%d",&x,&y);
adaug(v[x],y);
}
for(i=1;i<=n;i++) d[i]=-1;
bf(s);
for(i=1;i<=n;i++) fprintf(g,"%d ",d[i]);
return 0;
}