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#include <array>
#include <fstream>
#include <queue>
#include <vector>
std::array<std::vector<int>, 100010> edges;
std::vector<int> bfs (int start, int n) {
std::queue<int> q;
std::vector<int> result(n + 1, -1);
result[start] = 0;
q.emplace(start);
while (!q.empty()) {
auto node = q.front();
q.pop();
for (auto to: edges[node])
if (result[to] == -1) {
result[to] = result[node] + 1;
q.emplace(to);
}
}
return result;
}
int main () {
std::ifstream in("bfs.in");
in.exceptions(in.failbit);
std::ofstream out("bfs.out");
out.exceptions(out.failbit);
int n, m, s;
in >> n >> m >> s;
for (int i = 0; i < m; ++ i) {
int x, y;
in >> x >> y;
edges[x].emplace_back(y);
}
const auto result = bfs(s, n);
for (int i = 1; i <= n; ++ i)
out << result[i] << ' ';
out << '\n';
}