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#include <bits/stdc++.h>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector<int> v[100005];
queue<int>q;
int n,m,x,viz[100005],a,b;
void bfs()
{
q.push(x);
viz[x]=1;
while(!q.empty())
{
int t=q.front();
for(int i=0;i<v[t].size();i++)
{
if(!viz[v[t][i]]) {viz[v[t][i]]=viz[t]+1;q.push(v[t][i]);}
}
q.pop();
}
}
int main()
{
int i;
f>>n>>m>>x;
for(i=1;i<=m;i++)
{
f>>a>>b;
v[a].push_back(b);
}
bfs();
for(i=1;i<=n;i++)
{
g<<viz[i]-1<<" ";
}
return 0;
}