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#include <bits/stdc++.h>
#define MAXN 100000
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, start, costs[MAXN];
vector<vector<int>> adj;
void read() {
fin >> n >> m >> start;
start--;
adj = vector<vector<int>>(n, vector<int>());
for (int i = 0; i < m; i++) {
int iNode, jNode;
fin >> iNode >> jNode;
iNode--; jNode--;
adj[iNode].push_back(jNode);
}
}
void solve() {
memset(costs, -1, n * sizeof(int));
queue<int> neighbours;
neighbours.push(start);
costs[start] = 0;
while (!neighbours.empty()) {
int current = neighbours.front(); neighbours.pop();
for (auto& neighbour: adj[current])
if (costs[neighbour] == -1) {
costs[neighbour] = costs[current] + 1;
neighbours.push(neighbour);
}
}
for (int i = 0; i < n; i++)
fout << costs[i] << ' ';
}
int main() {
read();
solve();
return 0;
}