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#include <cstdio>
#include <vector>
#include <queue>
#include <map>
#include <cstring>
#define uint unsigned
using namespace std;
int N,M,S;
int a[100001];
vector<int>graf[100001];
void bfs()
{
int q[200001],inc=0,sf=-1;
memset(a,-1,sizeof(a));
q[++sf]=S;
a[S]=0;
while(inc<=sf)
{
int nod=q[inc++];
for(uint i=0;i<graf[nod].size();i++)
{
if(a[graf[nod][i]]>a[nod]+1 || a[graf[nod][i]]==-1)
{
a[graf[nod][i]]=a[nod]+1;
q[++sf]=graf[nod][i];
}
}
}
for(int i=1;i<=N;i++)
printf("%d ",a[i]);
}
int main()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
scanf("%d %d %d",&N,&M,&S);
for(int i=1;i<=M;i++)
{
int from,to;
scanf("%d %d",&from,&to);
graf[from].push_back(to);
}
bfs();
return 0;
}