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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
const int kNmax = 100005;
class Task {
public:
void solve() {
read_input();
print_output(get_result());
}
private:
int n;
int m;
int source;
vector<int> adj[kNmax];
void read_input() {
ifstream fin("bfs.in");
fin >> n >> m >> source;
for (int i = 1, x, y; i <= m; i++) {
fin >> x >> y;
adj[x].push_back(y);
}
fin.close();
}
vector<int> get_result() {
vector<int> d(n + 1);
int current_node;
queue<int> q;
vector<int> check(n+1);
q.push(source);
d[source] = 0;
check[source] = 1;
while(!q.empty()) {
current_node = q.front();
q.pop();
for (int i : adj[current_node]) {
if (check[i] == 0) {
check[i] = 1;
q.push(i);
d[i] = d[current_node] + 1;
}
}
}
return d;
}
void print_output(vector<int> result) {
ofstream fout("bfs.out");
for (int i = 1; i <= n; i++) {
if (i != source && result[i] == 0) {
result[i] = -1;
}
fout << result[i] << (i == n ? '\n' : ' ');
}
fout.close();
}
};
int main() {
Task *task = new Task();
task->solve();
delete task;
return 0;
}