#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);++i)
using ll=long long;
constexpr int M=26;
int cum[M][2<<17];
int N,Q,A[2<<17];
signed main(){
  cin.tie(0)->sync_with_stdio(0);
  cin>>N>>Q;
  rep(i,N)cin>>A[i];
  rep(i,M)rep(j,N){
    cum[i][j+1]+=cum[i][j];
    if(A[j]&(1<<i))++cum[i][j+1];
  }
  rep(i,Q){
    int L,R;cin>>L>>R,--L;
    ll ans=0;
    rep(j,26){
      ll ones=cum[j][R]-cum[j][L];
      ll zeros=R-L-ones;
      ans+=ones*zeros*(1<<j);
    }
    cout<<ans<<'\n';
  }
}