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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector <int> graph[100001];
int distances[100001];
void bfs(int startNode, int n) {
for (int i = 1; i <= n; ++i) {
distances[i] = -1;
}
queue <int> q;
q.push(startNode);
distances[startNode] = 0;
while (!q.empty()) {
int node = q.front();
q.pop();
for (auto vecin :graph[node]) {
if (distances[vecin] != -1) continue;
q.push(vecin);
distances[vecin] = distances[node] + 1;
}
}
}
int main() {
int N, M, S, x, y;
f>>N>>M>>S;
for(int i = 1; i<=M; i++){
f>>x>>y;
graph[x].push_back(y);
}
bfs(S, N);
for (int i = 1; i <= N; ++i) {
g << distances[i] << ' ';
}
return 0;
}