/* * * ^v^ * */ #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long int; using ld = long double; #define iamtefu ios_base::sync_with_stdio(false); cin.tie(0); #define fl(i,a,n) for (ll i(a); i=a; i--) #define ty int _; for(cin>>_; _--;) #define print(a) for(auto ele:a){cout< inline bool chmax(L &a, R &b){if (a inline bool chmin(L &a, R &b){if (a>b){a=b;return 1;}return 0;} template ostream& operator<<(ostream &fout, pair &p){ fout<<"{"< ostream& operator<<(ostream &fout, vector &v){ for (auto &x:v){ fout< ostream& operator<<(ostream &fout, set &st){ for (auto &x:st){ fout< ostream& operator<<(ostream &fout, map &mp){ fout<<"["; for (auto &[x,y]:mp){ fout<>n; vector a(n); ll xr = 0; fl(i,0,n){ cin>>a[i]; xr^=a[i]; } if (xr){ cout<<"No\n"; return; } else { if (n>5001){ cout<<"Yes\n"; return; } else { vector > dp(n+1, vector (5001)); fl(i,1,n){ dp[i][a[i-1]]|=1; fl(j,1,5001){ dp[i][j]|=dp[i-1][j]; dp[i][a[i-1]^j]|=dp[i-1][j]; } if (dp[i][0]){ cout<<"Yes\n"; return; } } cout<<"No\n"; } } // not necessarily distinct // right down } int main(){ iamtefu; #if defined(airths) auto t1=chrono::high_resolution_clock::now(); freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // ty { scn(); } #if defined(airths) auto t2=chrono::high_resolution_clock::now(); ld ti=chrono::duration_cast(t2-t1).count(); ti*=1e-6; cerr<<"Time: "<