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#include <iostream>
#include <vector>
#include <fstream>
#define maxn 100005
using namespace std;
int N,M,Start,x,y,L;
vector <int> a[maxn];
int g[maxn],s[maxn],cost[maxn];
int main()
{
ifstream in("bfs.in");
ofstream out("bfs.out");
in >> N >> M >> Start;
for(int i=1;i<=M;i++){
in >> x >> y;
a[x].push_back(y);
}
for(int i=1;i<=N;i++){
g[i]=a[i].size();
}
for(int i=1;i<=N;i++) cost[i]=-1;
L=1;
cost[Start]=0;
s[L]=Start;
for(int i=1;i<=L;i++){
for(int j=0;j<g[s[i]];j++){
if(cost[a[s[i]][j]]==-1){
s[++L]=a[s[i]][j];
cost[s[L]]=cost[s[i]]+1;
}
}
}
for(int i=1;i<=N;i++){
out << cost[i] << ' ';
}
return 0;
}