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#include <bits/stdc++.h>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
const int NMAX = 1e5;
const int INF = 1e9;
vector<int> G[NMAX + 1];
queue<int> q;
int d[NMAX + 1], vis[NMAX + 1];
int n, m, start;
void bfs(int s) {
//d[i] = distanta de la nodul s la nodul i
for(int i = 1; i <= n; i++) {
d[i] = INF;
}
d[s] = 0;
q.push(s);
vis[s] = 1;
while(!q.empty()) {
int node = q.front();
q.pop();
for(int i = 0; i < G[node].size(); i++) {
int vecin = G[node][i];
if(!vis[vecin] && d[vecin] > d[node] + 1) {
d[vecin] = d[node] + 1;
vis[vecin] = 1;
q.push(vecin);
}
}
}
}
int main() {
f >> n >> m >> start;
for(int i = 1; i <= m; i++) {
int x, y;
f >> x >> y;
G[x].push_back(y);
//G[y].push_back(x); //daca avem un graf orientat linia asta dispare
}
bfs(start);
for(int i = 1; i <= n; i++) {
if(d[i] == INF) {
g << -1 << ' ';
} else {
g << d[i] << ' ';
}
}
return 0;
}