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#include <iostream>
#include <fstream>
#include <queue>
#define NMAX 100001
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
int n, m, s, i, j, x, y, a[NMAX][NMAX], v[NMAX], d[NMAX];
void read(){
in>>n>>m>>s;
for(i=1; i<=m; i++){
in>>x>>y;
a[x][y]=1;
}
}
void bfs(){
queue<int> q;
int node=s;
v[node]=1;
q.push(node);
while(!q.empty()){
node=q.front();
q.pop();
for(j=1; j<=n; 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<<" ";
}
}
int main(){
read();
bfs();
return 0;
}