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#include <fstream>
#include <vector>
#include <queue>
#include <limits>
using namespace std;
const int INF = numeric_limits<int>::max();
int n, m, s;
vector<vector<int>> adj;
// Complexitate: O(n + m)
vector<int> bfs(int source) {
vector<int> d(n + 1, INF);
queue<int> q;
q.push(source);
d[source] = 0;
while (!q.empty()) {
int node = q.front();
q.pop();
for (int neigh : adj[node]) {
if (d[node] + 1 < d[neigh]) {
d[neigh] = d[node] + 1;
q.push(neigh);
}
}
}
for (int i = 1; i <= n; ++i) {
if (d[i] == INF) {
d[i] = -1;
}
}
return d;
}
int main() {
ifstream fin("bfs.in");
ofstream fout("bfs.out");
fin >> n >> m >> s;
adj.resize(n + 1);
for (int i = 0; i < m; ++i) {
int x, y;
fin >> x >> y;
adj[x].push_back(y);
}
vector<int> dist = bfs(s);
for (int i = 1; i <= n; ++i) {
fout << dist[i] << " ";
}
fout << "\n";
return 0;
}