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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
int main() {
fstream fin("bfs.in");
fstream fout("bfs.out");
int n, m, start;
vector<vector<int>> vecini;
vector<int> dist;
queue<int> coada;
fin >> n >> m >> start;
vecini.resize(n + 1);
dist.resize(n + 1, -1);
for (int i = 0; i < m; i++) {
int vf1, vf2;
fin >> vf1 >> vf2;
vecini[vf1].push_back(vf2);
}
coada.push(start);
dist[start] = 0;
while (!empty(coada)) {
int curent = coada.front();
coada.pop();
for (int i : vecini[curent]) {
if (dist[i] == -1) {
coada.push(i);
dist[i] = dist[curent] + 1;
}
}
}
for (int i = 1; i <= n; i++) {
fout << dist[i] << " ";
}
fout << "\n";
return 0;
}