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#include<fstream>
#include<vector>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n,m,s,i,in,sf,x,y;
vector<int> v[100001];
int c[100001],vc[100001];
int main()
{
f>>n>>m>>s;
for(i=1;i<=m;i++)
{
f>>x>>y;
v[x].push_back(y);
}
in=sf=1;
c[1]=s;
while(in<=sf)
{for(i=0;i<v[c[in]].size();i++)
if(vc[v[c[in]][i]]==0&&v[c[in]][i]!=s)
{sf++;
c[sf]=v[c[in]][i];
vc[v[c[in]][i]]=vc[c[in]]+1;
}
in++;
}
for(i=1;i<=n;i++)
if(vc[i]==0)
vc[i]=-1;
vc[s]=0;
for(i=1;i<=n;i++)
g<<vc[i]<<' ';
g.close();
return 0;
}