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#include <fstream>
#include <vector>
#include <bitset>
#include <climits>
#include <algorithm>
#include <queue>
#define INfile "bfs.in"
#define OUTfile "bfs.out"
#define LMax 100001
using namespace std;
ifstream fin(INfile);
ofstream fout(OUTfile);
vector <int>v[LMax];
queue <int> q;
int Values[LMax];
int x, y, n, m, p;
void BFS(int NODE) {
q.push(NODE);
while (!q.empty()) {
x = q.front();
q.pop();
int lim = v[x].size();
for (int i = 0; i < lim; ++i) {
if (Values[v[x][i]] == -1) {
q.push(v[x][i]);
Values[v[x][i]] = Values[x] + 1;
}
}
}
}
int main() {
fin >> n >> m >> p;
fill(Values + 1, Values + n + 1, -1);
Values[p] = 0;
for (int i = 1; i <= m; ++i)
fin >> x >> y, v[x].push_back(y);
BFS(p);
for (int i = 1; i <= n; ++i)
fout << Values[i] << ' ';
return 0;
}