Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict
def main():
	H, W, D = map(int,input().split())
	pos = [0]*(H*W+1)
	for i in range(H):
		A = list(map(int, input().split()))
		for j in range(W):
			pos[A[j]] = [i, j]
	Q = int(input())
	lr = [0]*Q
	for i in range(Q):
		lr[i] = list(map(int, input().split()))
	ans = defaultdict(int)
	for i in range(1, H*W+1-D):
		pre = i
		cur = i
		d = 0
		while cur < H*W+1:
			pre_pos = pos[pre]
			cur_pos = pos[cur]
			d += abs(pre_pos[0]-cur_pos[0])+abs(pre_pos[1]-cur_pos[1])
			ans[(i, cur)] = d
			pre = cur
			cur += D
	for i in range(Q):
		print(ans[(lr[i][0], lr[i][1])])


if __name__ == '__main__':
    main()

Fixed submission:
def main():
	H, W, D = map(int,input().split())
	pos = [0]*(H*W)
	for i in range(H):
		A = list(map(int, input().split()))
		for j in range(W):
			pos[A[j]-1] = [i, j]
	Q = int(input())
	lr = [0]*Q
	for i in range(Q):
		lr[i] = list(map(int, input().split()))
	ans = [[0] for _ in range(D)]
	for i in range(H*W-D):
		s_pos = pos[i]
		e_pos = pos[i+D]
		d = abs(s_pos[0]-e_pos[0])+abs(s_pos[1]-e_pos[1])
		ans[i%D].append(ans[i%D][-1]+d)
	for i in range(Q):
		s = lr[i][0]-1
		e = lr[i][1]-1
		print(ans[e%D][e//D]-ans[s%D][s//D])


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict
def main():
	H, W, D = map(int,input().split())
	pos = [0]*(H*W+1)
	for i in range(H):
		A = list(map(int, input().split()))
		for j in range(W):
			pos[A[j]] = [i, j]
	Q = int(input())
	lr = [0]*Q
	for i in range(Q):
		lr[i] = list(map(int, input().split()))
	ans = defaultdict(int)
	for i in range(1, H*W+1-D):
		pre = i
		cur = i
		d = 0
		while cur < H*W+1:
			pre_pos = pos[pre]
			cur_pos = pos[cur]
			d += abs(pre_pos[0]-cur_pos[0])+abs(pre_pos[1]-cur_pos[1])
			ans[(i, cur)] = d
			pre = cur
			cur += D
	for i in range(Q):
		print(ans[(lr[i][0], lr[i][1])])


if __name__ == '__main__':
    main()

Fixed submission:
def main():
	H, W, D = map(int,input().split())
	pos = [0]*(H*W)
	for i in range(H):
		A = list(map(int, input().split()))
		for j in range(W):
			pos[A[j]-1] = [i, j]
	Q = int(input())
	lr = [0]*Q
	for i in range(Q):
		lr[i] = list(map(int, input().split()))
	ans = [[0] for _ in range(D)]
	for i in range(H*W-D):
		s_pos = pos[i]
		e_pos = pos[i+D]
		d = abs(s_pos[0]-e_pos[0])+abs(s_pos[1]-e_pos[1])
		ans[i%D].append(ans[i%D][-1]+d)
	for i in range(Q):
		s = lr[i][0]-1
		e = lr[i][1]-1
		print(ans[e%D][e//D]-ans[s%D][s//D])


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
def main():
	H, W, D = map(int,input().split())
	pos = [0]*(H*W+1)
	for i in range(H):
		A = list(map(int, input().split()))
		for j in range(W):
			pos[A[j]] = [i, j]
	Q = int(input())
	lr = [0]*Q
	for i in range(Q):
		lr[i] = list(map(int, input().split()))
	ans = dict()
	for i in range(1, H*W+1-D):
		pre = i
		cur = i
		d = 0
		while cur < H*W+1:
			pre_pos = pos[pre]
			cur_pos = pos[cur]
			d += abs(pre_pos[0]-cur_pos[0])+abs(pre_pos[1]-cur_pos[1])
			ans[(i, cur)] = d
			pre = cur
			cur += D
	for i in range(Q):
		print(ans[(lr[i][0], lr[i][1])])


if __name__ == '__main__':
    main()

Fixed submission:
def main():
	H, W, D = map(int,input().split())
	pos = [0]*(H*W)
	for i in range(H):
		A = list(map(int, input().split()))
		for j in range(W):
			pos[A[j]-1] = [i, j]
	Q = int(input())
	lr = [0]*Q
	for i in range(Q):
		lr[i] = list(map(int, input().split()))
	ans = [[0] for _ in range(D)]
	for i in range(H*W-D):
		s_pos = pos[i]
		e_pos = pos[i+D]
		d = abs(s_pos[0]-e_pos[0])+abs(s_pos[1]-e_pos[1])
		ans[i%D].append(ans[i%D][-1]+d)
	for i in range(Q):
		s = lr[i][0]-1
		e = lr[i][1]-1
		print(ans[e%D][e//D]-ans[s%D][s//D])


if __name__ == '__main__':
    main()