#include #pragma GCC optimize("Ofast") #define _GLIBCXX_DEBUG using namespace std; using std::cout; using std::cin; using std::endl; using ll=long long; using ld=long double; ll ILL=1167167167167167167; const int INF=2100000000; const ll mod=998244353; #define rep(i,a) for (ll i=0;i using _pq = priority_queue, greater>; template ll LB(vector &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template ll UB(vector &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}else return 0;} template bool chmax(T &a,const T &b){if(a void So(vector &v) {sort(v.begin(),v.end());} template void Sore(vector &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} void yneos(bool a){if(a) cout<<"Yes\n"; else cout<<"No\n";} void solve(); // oddloop int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t=1; //cin>>t; rep(i,t) solve(); } void solve(){ ll N; cin>>N; vector A(N),B(N); rep(i,N) cin>>A[i]; rep(i,N) cin>>B[i]; vector sum_A(N+1),xor_A(N+1),xor_B(N+1); vector> p(N+1,vector(2)); p[0][0]=1; rep(i,N) sum_A[i+1]=sum_A[i]+A[i],xor_A[i+1]=(xor_A[i]^A[i]),xor_B[i+1]=(xor_B[i]^B[i]); rep(i,N){ p[i+1]=p[i]; p[i+1][xor_B[i+1]]++; } vector l(2); ll ans=0; for(int r=1;r<=N;r++){ rep(k,2) while(sum_A[r]-sum_A[l[k]]-k>(xor_A[r]^xor_A[l[k]])) l[k]++; int a=xor_B[r]; ans+=p[r-1][a]; if(l[0]) ans+=p[l[0]-1][a^1]-p[l[0]-1][a]; if(l[1]) ans-=p[l[1]-1][a^1]; //cout<