#include #include using namespace std; using namespace atcoder; #define rep(i, a, n) for(int i = a; i < n; i++) #define rrep(i, a, n) for(int i = a; i >= n; i--) #define inr(l, x, r) (l <= x && x < r) #define ll long long #define ld long double // using mint = modint1000000007; // using mint = modint998244353; constexpr int IINF = 1001001001; constexpr ll INF = 1e18; template void chmax(t&a,u b){if(a void chmin(t&a,u b){if(b> n >> f; vector a(n), b(n), c(n); rep(i, 0, n) cin >> a[i]; rep(i, 0, n) cin >> b[i]; rep(i, 0, n) cin >> c[i]; bitset d; d[a[0]] = d[b[0]] = d[c[0]] = 1; cout << d.count() << endl; rep(i, 1, n){ bitset e; e |= d<