n,Q=map(int,input().split())
a=list(map(int,input().split()))
c=[[0]*(n+1) for i in range(30)]
for i in range(30):
  for j in range(n):
    c[i][j]=(a[j]>>i)&1
    c[i][j]+=c[i][j-1]
for _ in range(Q):
  l,r=map(int,input().split())
  l-=1
  r-=1
  ans=0
  w=r-l+1
  for i in range(30):
    g1=c[i][r]-c[i][l-1]
    g2=w-g1
    ans+=(1<<i)*(w*(w-1)//2-g1*(g1-1)//2-g2*(g2-1)//2)
  print(ans)