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#include <iostream>
#include <fstream>
#include <queue>
#include <vector>
#include <algorithm>
using namespace std;
ifstream f1("bfs.in");
ofstream f2("bfs.out");
vector<bool> v;
vector<vector<int> > g;
void bfs(int u, int val[]) {
queue<int> q;
q.push(u);
v[u] = true;
val[u] = 0;
while (!q.empty()) {
int f = q.front();
q.pop();
for (auto i = g[f].begin(); i != g[f].end(); i++) {
if (!v[*i]) {
q.push(*i);
v[*i] = true;
val[*i] = val[f]+1;
}
}
}
}
int main() {
int n, m, s;
f1 >> n >> m >> s;
int val[n];
v.assign(n+1, false);
g.assign(n+1, vector<int>());
std::fill_n(val, n+1, -1);
int a, b;
for (int i = 1; i <= m; i++) {
f1 >> a >> b;
g[a].push_back(b);
}
bfs(s, val);
for(int i = 1; i <= n; i++) {
f2 << val[i] << ' ';
}
return 0;
}