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#include <iostream>
#include <vector>
#include <queue>
#include <fstream>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int N, M, starting_node;
const int NMAX = 1000005;
vector<int> adj[NMAX];
int distances[NMAX];
queue<int> bfs_queue;
void read() {
fin >> N >> M >> starting_node;
for(int i = 1; i <= N; i++)
distances[i] = -1;
distances[starting_node] = 0;
bfs_queue.push(starting_node);
for(int i = 1; i <= M; i++) {
int x, y;
fin >> x >> y;
adj[x].push_back(y);
}
}
void bfs() {
while(!bfs_queue.empty()) {
int current = bfs_queue.front();
bfs_queue.pop();
for(auto neighbour : adj[current])
if (distances[neighbour] == -1) {
bfs_queue.push(neighbour);
distances[neighbour] = distances[current] + 1;
}
}
}
void write() {
for(int i = 1; i <= N; i++)
fout << distances[i] << " ";
}
int main() {
read();
bfs();
write();
return 0;
}