#include using namespace std; using ll = long long; using pll = pair; #define drep(i, cc, n) for (ll i = (cc); i <= (n); ++i) #define rep(i, n) drep(i, 0, n - 1) #define all(a) (a).begin(), (a).end() #define pb push_back #define fi first #define se second mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count()); const ll MOD1000000007 = 1000000007; const ll MOD998244353 = 998244353; const ll MOD[3] = {999727999, 1070777777, 1000000007}; const ll LINF = 1LL << 60LL; const int IINF = (1 << 30) - 1; void solve(){ ll N, B; cin >> N >> B; vector A(N); rep(i, N){ cin >> A[i]; A[i]--; } vector pow2(N+1, 1LL); for(ll i=1; i<=N; i++) pow2[i] = pow2[i-1]*2LL%B; vector check(N, false); ll cnt = 0; for(ll r=0; r> T; while(T--) solve(); }