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#include <iostream>
#include <vector>
#include <fstream>
using namespace std;
vector <int> graph[100005];
int coada[100005];
int dist[100005];
int viz[100005];
void bfs(int s){
coada[1]=s;
viz[s]=1;
dist[s]=0;
int left=1,right=1;
int i;
while(left<=right){
int index=coada[left];
int lim=graph[index].size();
for(i=0;i<lim;i++){
int vecin=graph[index][i];
if(!viz[vecin]){
coada[++right]=vecin;
dist[vecin]=dist[index]+1;
viz[vecin]=1;
}
}
left++;
}
}
int main()
{
ifstream f("bfs.in");
ofstream g("bfs.out");
int i,x,y,N,M,s;
f>>N>>M>>s;
for(i=0;i<M;i++)
{
f>>x>>y;
graph[x].push_back(y);
}
fill(dist+1,dist+N+1,-1);
bfs(s);
for(i=1;i<=N;i++)
g<<dist[i]<<" ";
return 0;
}