#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int L[19]; int M[19]; ll dp[1<<19][2]; void solve() { int i,j,k,l,r,x,y; string s; FOR(i,19) { cin>>L[i]; FOR(j,L[i]) { cin>>x; M[i]|=1<<(x-1); } } dp[0][0]=1; int mask; FOR(mask,1<<19) FOR(y,2) { j=__builtin_popcount(mask); x=0; for(i=18;i>=0;i--) { if(mask&(1<