from itertools import accumulate

n, m = map(int, input().split())
s = [[0]*(m+1)]+[[0]+[a for a in accumulate(map(int,input().split()))] for _ in range(m)]

for j in range(m):
    for i in range(m):
        s[i+1][j+1] += s[i][j+1]

#print(s)

imos = [[0]*(m+1) for i in range(m+1)]

# [i, k), [j, l)
for i in range(m):
    for j in range(m):
        for k in range(i+1, m+1):
            for l in range(j+1, m+1):
                if s[k][l] - s[k][j] - s[i][l] + s[i][j] == 0:
                    imos[i][j] += 1
                    imos[i][l] -= 1
                    imos[k][j] -= 1
                    imos[k][l] += 1

for i in range(m+1):
    for j in range(m):
        imos[i][j+1] += imos[i][j]
for j in range(m+1):
    for i in range(m):
        imos[i+1][j] += imos[i][j]
#print(imos)

for i in range(n):
    x, y = map(int, input().split())
    print(imos[x-1][y-1])