// clang-format off #include #include #include #define mp make_pair #define fst first #define snd second #define forn(i,n) for (int i = 0; i < int(n); i++) #define forn1(i,n) for (int i = 1; i <= int(n); i++) #define popcnt __builtin_popcountll #define ffs __builtin_ffsll #define ctz __builtin_ctzll #define clz __builtin_clz #define clzll __builtin_clzll #define all(a) (a).begin(), (a).end() using namespace std; using namespace __gnu_pbds; using uint = unsigned int; using ll = long long; using ull = unsigned long long; using pii = pair; using pli = pair; using pil = pair; using pll = pair; template using vec = vector; using vi = vec; using vl = vec; template using que = queue; template using deq = deque; template using ordered_set = tree, rb_tree_tag, tree_order_statistics_node_update>; template using ordered_map = tree, rb_tree_tag, tree_order_statistics_node_update>; template T id(T b) {return b;}; template void chmax(T &x, T y) {if (x < y) x = y;} template void chmin(T &x, T y) {if (x > y) x = y;} template bool contains(S &s, K k) { return s.find(k) != s.end(); } template bool getf(T flag, size_t i) { return (flag>>i) & 1; } template T setf(T flag, size_t i) { return flag | (T(1)< T unsetf(T flag, size_t i) { return flag & ~(T(1)<> k; vi p = { 1, 2, 3, 4, 5, 6, 7, 8 }; auto num = [&]() { int v = 0; for (auto d : p) { v = v * 10 + d; } return v; }; int ans = 0; do { ans += num() % k == 0; } while (next_permutation(all(p))); cout << ans << endl; return 0; }