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#include <iostream>
#include <fstream>
#include <vector>
#define INF 2e9
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n,m,source;
vector<vector<int>>adj;
vector<int>dist;
void BFS(int source){
queue<int>q;
q.push(source);
dist[source]=0;
while(!q.empty()){
int nod = q.front();
q.pop();
for (int i :adj[nod]){
if(dist[i] > dist[nod]+1){
q.push(i);
dist[i]=dist[nod] +1;
}
}
}
for(int i=1; i<=n;i++){
if (dist[i] !=INF)
fout<<dist[i]<<" ";
else fout<<"-1";
fout<<"\n";
}
}
int main(){
fin>>n>>m>>source;
adj.resize(n+5);///a must altfel eroare la compilare - trebuie definit un size
dist.resize(n+5);
for (int i=1; i<=n; i++){
dist[i]=INF;
}
for(int i =1 ; i<=m ; i++){
int x,y;
fin>>x>>y;
adj[x].push_back(y);
}
BFS(source);
return 0;
}