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#include <fstream>
#include <vector>
#include <algorithm>
#include <queue>
#include <iostream>
using namespace std;
const int kNmax = 100005;
int main(){
int n;
int m;
int x,y;
int source;
vector<int> adj[kNmax];
ifstream fin("bfs.in");
fin >> n >> m >> source;
for (int i = 1; i <= m; i++) {
fin >> x >> y;
adj[x].push_back(y);
}
fin.close();
vector<int> d(n + 1);
bool *visited = new bool[kNmax];
for(int i = 1; i <= n; i++) {
visited[i] = false;
}
queue<int> q;
d[source] = 0;
for(int i = 1; i <= n; i++) {
d[i] = -1;
}
//visited[source] = true;
q.push(source);
d[source] = 0;
while(!q.empty()) {
int node = q.front();
visited[node] = true;
q.pop();
for(int i = 0; i < adj[node].size(); i++) {
if(visited[adj[node][i]] == false) {
d[adj[node][i]] = d[node] + 1;
q.push(adj[node][i]);
}
}
}
ofstream fout("bfs.out");
for(int i = 1; i<=n ;i++){
fout<<d[i]<<" ";
}
fout.close();
}