N,Q=map(int,input().split())
A=list(map(int,input().split()))
sm=[[0 for _ in range(26)] for _ in range(N+1)]
for i,a in enumerate(A,1):
    for j in range(26):
        sm[i][j]+=sm[i-1][j]+a%2
        a//=2
pass
for _ in range(Q):
    L,R=map(int,input().split())
    ans=0
    for i in range(L,R):
        a=A[i-1]
        for j in range(26):
            if a%2==0:
                ans+=(sm[R][j]-sm[i][j])*(2**j)
            else:
                ans+=((R-i)-(sm[R][j]-sm[i][j]))*(2**j)
            a//=2
    print(ans)