import bisect
R, N = map(int, input().split())
A = sorted(list(map(int, input().split())))
Q = int(input())

for i in range(Q):
    l, r = map(int, input().split())
    la, ra = l//R, r//R
    lb, rb = l%R, r%R
    pl = bisect.bisect_left(A, lb)
    pr = bisect.bisect(A, rb)
    print(pr - pl + (ra-la)*N)