N,Q=map(int,input().split())
A=list(map(int,input().split()))
r1 = [[0]*(N+2) for _ in range(26)]
A_ = [a for a in A] + [0]
for i in range(1,N):
    A_[i] += A_[i-1]
for i in range(26):
    for j in range(N):
        if A[j] & (1 << i):
            r1[i][j] = r1[i][j] + 1
    for j in range(N,-1,-1):
        r1[i][j] += r1[i][j+1]
for _ in range(Q):
    l,r = map(int,input().split())
    ans=0
    for j in range(26):
        d = r1[j][l-1] - r1[j][r]
        ans+= (1 << j) * d * (r - l + 2 - d)
    ans -= A_[r-1] - A_[l-2]
    print(ans)