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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
int n,m,s,dist[100000];
vector<int>a[100000];
queue<int> q;
ifstream f("bfs.in");
ofstream g("bfs.out");
void BFS(int z){
int x;
q.push(z);
while(!q.empty()){
x=q.front();
q.pop();
for(auto i:a[z]){
if(dist[i]==0 && i!=s){
dist[i] = dist[x]+1;
q.push(i);
}
}
}
}
int main()
{
f>>n>>m>>s;
int o,p;
for(int i=1;i<=m;i++){
f>>o>>p;
a[o].push_back(p);
}
for(int i=1;i<=n;i++){
dist[i]=4000;
}
dist[s]=0;
BFS(s);
for(int i=1;i<=n;i++)
if(dist[i] != 0)
g<<dist[i]<<" ";
else if(i == s)
g<<0<<" ";
else g<<-1<<" ";
return 0;
}