n, q = map(int, input().split())
A = list(map(int, input().split()))
R = [n] * (n+1)
S = [(n, n)]
for i in range(n-1, -1, -1):
    a = A[i]
    while S[-1][0] < a:
        S.pop()
    R[i] = S[-1][1]
    S.append((a, i))

L = [[R[i] for i in range(n+1)] for j in range(30)]
for i in range(1, 30):
    for j in range(n):
        L[i][j] = L[i-1][L[i-1][j]]
B = [1]
for i in range(30): B.append(B[-1]*2)

for _ in range(q):
    l, r = map(int, input().split())
    l -= 1
    k = 0
    now = l
    for i in range(29, -1, -1):
        if L[i][now] < r:
            k += B[i]
            now = L[i][now]
    print(r-l-k-1)