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#include <fstream>
#include <algorithm>
#include <queue>
#include <vector>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector <int> G[100005];
queue<int>q;
int n,sel[100005],lg[100005],m,s;
void bf(int x){
sel[x]=true;
q.push(x);
while(!q.empty()){
int nod=q.front();
for(auto it : G[nod])
if(!sel[it]){
q.push(it);
sel[it]=true;
lg[it]=lg[nod]+1;
}
q.pop();
}
}
int i,x,y,p;
int main()
{
f>>n>>m>>p;
for(i=1;i<=m;i++)
{f>>x>>y;
G[x].push_back(y);
}
bf(p);
for(i=1;i<=n;i++){
if(i!=p && lg[i]!=0)g<<lg[i]<<" ";
else if(i==p)g<<"0 ";
else g<<"-1 ";
}
return 0;
}