#include using namespace std; typedef signed long long ll; #undef _P #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 ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- int N,X,A; int C[18][1<<18][18][2]; void solve() { int i,j,k,l,r,x,y; string s; cin>>N>>X; ll ret=0; FOR(i,N) { cin>>A; int T[18][2]={}; int V=0; if(X==1<<18) { FOR(j,18) { T[j][0]+=C[17][0][j][0]; T[j][1]+=C[17][0][j][1]; } } else { for(j=17;j>=0;j--) { if(A&(1<>=j; V<<=j; FOR(x,18) C[j][V][x][(A>>x)&1]++; } } cout<