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#include <iostream>
#include <queue>
#include <algorithm>
#include <set>
#include <map>
#include <stack>
#include <vector>
#include <string>
#include <deque>
#include <unordered_map>
#include <unordered_set>
#include <cmath>
#include <iomanip>
using namespace std;
#define ll long long
int numNodes, numEdges, startNode;
unordered_map<int, vector<int>> graph;
void ReadData() {
cin >> numNodes >> numEdges >> startNode;
for (int i = 0; i < numEdges; i++){
int start, end = 0;
cin >> start >> end;
graph[start].push_back(end);
}
}
void Solve() {
unordered_set<int> visited;
vector<int> result(numNodes, -1);
queue<int> q;
q.push(startNode);
visited.insert(startNode);
result[startNode - 1] = 0;
while (!q.empty()){
int node = q.front();
q.pop();
for(int neighbour: graph[node]){
if (visited.find(neighbour) == visited.end()){
visited.insert(neighbour);
result[neighbour - 1] = result[node - 1] + 1;
q.push(neighbour);
}
}
}
for (int val : result){
cout << val << " ";
}
cout << "\n";
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
freopen("bfs.in", "r", stdin);
freopen("bfs.out", "w", stdout);
int t = 1;
// cin >> t; // Uncomment for multiple test cases
while (t--) {
ReadData();
Solve();
}
return 0;
}