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#include <iostream>
#include <fstream>
#include <queue>
#define NMAX 10000
#define MMAX 10000
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
int main(){
int n, m, s, i, j, x, y, a[NMAX][MMAX], v[NMAX], d[NMAX];
for(i=1; i<=n; i++){v[i]=0;d[i]=0;}
in>>n>>m>>s;
for(i=1; i<=m; i++){
in>>x>>y;
a[x][y]=1;
}
queue<int> q;
q.push(s);
v[s]=1;
int node;
while(!q.empty()){
node=q.back();
q.pop();
for(j=1; j<=m; j++){
if(a[node][j]==1&&v[j]==0){
q.push(j);
v[j]=1;
d[j]=d[node]+1;
}
}
}
for(i=1; i<=n; i++){
if(v[i]==1)out<<d[i]<<" ";
else out<<-1<<" ";
}
return 0;
}