#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, q;
  cin >> n >> q;
  VI s[26];
  rep(k, 26) s[k].resize(n + 1);
  rep(i, n) {
    int a;
    cin >> a;
    rep(k, 26) s[k][i+1] = s[k][i] + (a >> k & 1);
  }
  rep(_, q) {
    int l, r;
    cin >> l >> r;
    l--;
    ll ans = 0;
    rep(k, 26) {
      int one = s[k][r] - s[k][l], zero = r - l - one;
      ans += (ll)one * zero << k;
    }
    cout << ans << '\n';
  }
}