#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int N,Q; cin >> N >> Q;
    vector<int> A(N);
    for(auto &a : A) cin >> a;

    vector<vector<tuple<long long,long long,long long>>> P(26,vector<tuple<long long,long long,long long>>(N));    
    for(int i=0; i<26; i++){
        long long sum = 0,zero = 0,one = 0;
        for(int k=0; k<N; k++){
            if(A.at(k)&(1<<i)) sum += zero,one++;
            else sum += one,zero++;
            P.at(i).at(k) = {sum,zero,one};
        }
    }
    auto f = [&](int l,int r) -> long long {
        long long ret = 0;
        for(int i=0; i<26; i++){
            auto [sr,zr,Or] = P.at(i).at(r); 
            if(l < 0) ret += sr<<i;
            else{
                auto [sl,zl,ol] = P.at(i).at(l);
                sr -= sl; sr -= (zr-zl)*ol+zl*(Or-ol);
                ret += sr<<i;
            }

        }
        return ret;
    };
    while(Q--){
        int l,r; cin >> l >> r; l -= 2,r--;
        cout << f(l,r) << "\n";
    }
}