N,Q = list(map(int,input().split()))
A = list(map(int,input().split()))

BIT = [[(A[j]>>i) & 1 for j in range(N)] for i in range(30)]

S = [[0] for _ in range(30)]
for i in range(30):
    for j in range(N):
        S[i].append(S[i][-1] + ((A[j]>>i) & 1))

for _ in range(Q):
    l,r = list(map(int,input().split()))
    l -= 1
    ans = 0
    for i in range(30):
        one = S[i][r] - S[i][l]
        zero = (r-l) - one
        ans += zero * one * 1<<i
    print(ans)