#include using namespace std ; #define fast_input_output ios::sync_with_stdio(false); cin.tie(nullptr); // #pragma GCC target("avx2") // #pragma GCC optimize("O3") #pragma GCC target("avx") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") typedef long long ll ; typedef long double ld ; typedef pair P ; typedef tuple TP ; #define chmin(a,b) a = min(a,b) #define chmax(a,b) a = max(a,b) #define bit_count(x) __builtin_popcountll(x) #define gcd(a,b) __gcd(a,b) #define lcm(a,b) a / gcd(a,b) * b #define rep(i,n) for(int i = 0 ; i < n ; i++) #define rrep(i,a,b) for(int i = a ; i < b ; i++) #define repi(it,S) for(auto it = S.begin() ; it != S.end() ; it++) #define pt(a) cout << a << endl #define DEBUG(...) ; cout << #__VA_ARGS__ << endl ; for(auto x : {__VA_ARGS__}) cout << x << " " ; cout << endl ; #define DEBUG_LIST(...) cout << #__VA_ARGS__ << endl ; DEBUG_REP(__VA_ARGS__) ; #define DEBUG_REP(V) cout << "{ " ; repi(itr,V) cout << *itr << ", " ; cout << "}" << endl ; #define debug(a) cout << #a << " " << a << endl #define all(a) a.begin(), a.end() #define endl "\n" int n; ll A[202020]; bool B[30][202020]; int nextv[30][202020]; int main(){ fast_input_output cin >> n; rep(i,n) cin >> A[i]; rep(i,n) rep(j,30) if(A[i] >> j & 1) B[j][i] = true; rep(i,30) nextv[i][n] = n; for(int i = n - 1; i >= 0; i--){ rep(j,30){ nextv[j][i] = nextv[j][i+1]; if(B[j][i]) nextv[j][i] = i; } } ll res = 0; rep(i,n){ rep(j,30){ int nv = nextv[j][i]; if(nv == n) continue; res += (ll)(n - nv) * (ll)1 << j; } } cout << res << endl; }