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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#define N 100010
using namespace std;
int sizes[N], visited[N], distances[N];
vector<int> l[N];
void BFS(int start)
{
int node;
queue<int> q;
q.push(start);
distances[start]=1;
visited[start]=1;
while(!q.empty())
{
node=q.front();
for(int i=0; i<sizes[node]; i++)
if (!visited[l[node][i]])
{
q.push(l[node][i]);
visited[l[node][i]]=1;
distances[l[node][i]]=distances[node]+1;
}
q.pop();
}
}
int main()
{
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, s, x, y;
fin >> n >> m >> s;
for (int i=1; i<=m; i++)
{
fin >> x >> y;
l[x].push_back(y);
}
for (int i=1; i<=n; i++)
sizes[i]=l[i].size();
BFS(s);
for (int i=1; i<=n; i++)
fout << distances[i]-1 << " ";
return 0;
}