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#include <iostream>
#include <bits/stdc++.h>
using namespace std;
class graph
{
public:
void bfs();
};
void graph::bfs()
{
ifstream f("bfs.in");
ofstream g("bfs.out");
int n,m,s;
vector<int>* la = new vector<int>[100005];
int* dist = new int[100005];
f >> n >> m >> s;
memset(dist, -1, sizeof(int) * (n+1));
for (int i = 1; i <= m; i++)
{
int x,y;
f >> x >> y;
la[x].push_back(y);
}
int curr_dist = 1;
queue<int> q;
q.push(s);
dist[s] = 0;
while (q.size())
{
for (auto& v: la[q.front()])
{
if (dist[v] == -1)
{
dist[v] = dist[q.front()] + 1;
q.push(v);
}
}
q.pop();
}
for (int i = 1; i <= n; i++)
g << dist[i] << ' ';
delete[] dist;
delete[] la;
}
int main()
{
graph g;
g.bfs();
return 0;
}