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#include <iostream>
#include <fstream>
#include <vector>
#include <list>
#include <queue>
using namespace std;
int main()
{
ifstream fi("input.txt");
ofstream fo("output.txt");
int m, n, s;
fi >> n >> m >> s;
s--;
vector<list<int>> graph(n);
for (int i = 0; i < m; i++) {
int a, b;
fi >> a >> b;
a--;
b--;
graph[a].push_back(b);
}
vector<int> distances(n, -1);
vector<bool> visited(n, false);
queue<int> q;
q.push(s);
visited[s] = true;
distances[s] = 0;
while (q.size() > 0) {
int node = q.front();
q.pop();
for (int i : graph[node]) {
if (!visited[i]) {
q.push(i);
visited[i] = true;
distances[i] = distances[node] + 1;
}
}
}
for (int i : distances) {
fo << i << " ";
}
fi.close();
fo.close();
return 0;
}