Buggy python submission (verdict: Time Limit Exceeded):
#入力
HWD = list(map(int, input().split()))
H, W, D = HWD[0], HWD[1],  HWD[2]
field = []
for i in range(H):
    field.append(list(map(int, input().split())))

#numberからD動かした時の魔力
move_dict = {}
pre_length = 0
for now_point in range(1, H * W + 1):
    pre_point = now_point - D
    if now_point > D:
        if now_point - D > D:
            pre_length = move_dict[now_point - D]
        for field_h in range(H):
            for field_w in range(W):
                if field[field_h][field_w] == pre_point:
                    pre_h = field_h
                    pre_w = field_w
                    pre_flag = True
                if field[field_h][field_w] == now_point:
                    now_h = field_h
                    now_w = field_w
                    now_flag = True
        move_dict[now_point] = abs(now_h - pre_h) + abs(now_w - pre_w) + pre_length
    else:
        move_dict[now_point] = 0
           
#試験
Q = int(input())
for test in range(Q):
    target = list(map(int, input().split()))
    count = move_dict[target[1]] - move_dict[target[0]]
    print(count) 

Fixed submission:
#入力
HWD = list(map(int, input().split()))
H, W, D = HWD[0], HWD[1],  HWD[2]
field_dict = {}
for h in range(H):
    field = list(map(int, input().split()))
    for w in range(W):
        field_dict[field[w]] = (h, w)

#numberからD動かした時の魔力
move_dict = {}
pre_length = 0
for now_point in range(1, H * W + 1):
    pre_point = now_point - D
    if now_point > D:
        pre_length = move_dict[now_point - D]
        now_h = field_dict[now_point][0]
        now_w = field_dict[now_point][1]
        pre_h = field_dict[pre_point][0]
        pre_w = field_dict[pre_point][1]
        move_dict[now_point] = abs(now_h - pre_h) + abs(now_w - pre_w) + pre_length
    else:
        move_dict[now_point] = 0
           
#試験
Q = int(input())
for test in range(Q):
    target = list(map(int, input().split()))
    count = move_dict[target[1]] - move_dict[target[0]]
    print(count)

Buggy python submission (verdict: Time Limit Exceeded):
#入力
HWD = list(map(int, input().split()))
H, W, D = HWD[0], HWD[1],  HWD[2]
field = []
for i in range(H):
    field.append(list(map(int, input().split())))

move_dict = {}
now_point = 1
for number in range(1, H * W - D + 1):
    next_point = now_point + D
    now_flag = False
    next_flag = False
    for field_h in range(H):
        for field_w in range(W):
            if field[field_h][field_w] == now_point:
                now_h = field_h
                now_w = field_w
                now_flag = True
            if field[field_h][field_w] == next_point:
                next_h = field_h
                next_w = field_w
                next_flag = True
        if now_flag and next_flag == True:
            break
            
    move_dict[number] = abs(next_h - now_h) + abs(next_w - now_w)
    now_point += 1
           
Q = int(input())
for test in range(Q):
    target = list(map(int, input().split()))
    count = 0
    step = target[0]
    while not step == target[1]:
        start = step
        count += move_dict[start]
        step = start + D
    print(count)  

Fixed submission:
#入力
HWD = list(map(int, input().split()))
H, W, D = HWD[0], HWD[1],  HWD[2]
field_dict = {}
for h in range(H):
    field = list(map(int, input().split()))
    for w in range(W):
        field_dict[field[w]] = (h, w)

#numberからD動かした時の魔力
move_dict = {}
pre_length = 0
for now_point in range(1, H * W + 1):
    pre_point = now_point - D
    if now_point > D:
        pre_length = move_dict[now_point - D]
        now_h = field_dict[now_point][0]
        now_w = field_dict[now_point][1]
        pre_h = field_dict[pre_point][0]
        pre_w = field_dict[pre_point][1]
        move_dict[now_point] = abs(now_h - pre_h) + abs(now_w - pre_w) + pre_length
    else:
        move_dict[now_point] = 0
           
#試験
Q = int(input())
for test in range(Q):
    target = list(map(int, input().split()))
    count = move_dict[target[1]] - move_dict[target[0]]
    print(count)

Buggy python submission (verdict: Time Limit Exceeded):
#入力
HWD = list(map(int, input().split()))
H, W, D = HWD[0], HWD[1],  HWD[2]
field = []
for i in range(H):
    field.append(list(map(int, input().split())))
           
Q = int(input())
target = []
for i in range(Q):
    target.append(list(map(int, input().split())))

#動作
for test in range(Q):
    count = 0
    next_point = target[test][0]
    while not next_point == target[test][1]:
        now_point = next_point
        next_point = now_point + D
        for field_h in range(H):
            if now_point in field[field_h] or next_point in field[field_h]:
                for field_w in range(W):
                    if field[field_h][field_w] == now_point:
                        now_h = field_h
                        now_w = field_w
                    if field[field_h][field_w] == next_point:
                        next_h = field_h
                        next_w = field_w
        count += abs(next_h - now_h) + abs(next_w - now_w)
    print(count)

Fixed submission:
#入力
HWD = list(map(int, input().split()))
H, W, D = HWD[0], HWD[1],  HWD[2]
field_dict = {}
for h in range(H):
    field = list(map(int, input().split()))
    for w in range(W):
        field_dict[field[w]] = (h, w)

#numberからD動かした時の魔力
move_dict = {}
pre_length = 0
for now_point in range(1, H * W + 1):
    pre_point = now_point - D
    if now_point > D:
        pre_length = move_dict[now_point - D]
        now_h = field_dict[now_point][0]
        now_w = field_dict[now_point][1]
        pre_h = field_dict[pre_point][0]
        pre_w = field_dict[pre_point][1]
        move_dict[now_point] = abs(now_h - pre_h) + abs(now_w - pre_w) + pre_length
    else:
        move_dict[now_point] = 0
           
#試験
Q = int(input())
for test in range(Q):
    target = list(map(int, input().split()))
    count = move_dict[target[1]] - move_dict[target[0]]
    print(count)

Buggy python submission (verdict: Time Limit Exceeded):
#入力
HWD = list(map(int, input().split()))
H, W, D = HWD[0], HWD[1],  HWD[2]
field = []
for i in range(H):
    field.append(list(map(int, input().split())))
           
Q = int(input())
target = []
for i in range(Q):
    target.append(list(map(int, input().split())))

#動作
for test in range(Q):
    count = 0
    next_point = target[test][0]
    while not next_point == target[test][1]:
        now_point = next_point
        next_point = now_point + D
        for field_h in range(H):
            for field_w in range(W):
                if field[field_h][field_w] == now_point:
                    now_h = field_h
                    now_w = field_w
                if field[field_h][field_w] == next_point:
                    next_h = field_h
                    next_w = field_w
        count += abs(next_h - now_h) + abs(next_w - now_w)
    print(count)

Fixed submission:
#入力
HWD = list(map(int, input().split()))
H, W, D = HWD[0], HWD[1],  HWD[2]
field_dict = {}
for h in range(H):
    field = list(map(int, input().split()))
    for w in range(W):
        field_dict[field[w]] = (h, w)

#numberからD動かした時の魔力
move_dict = {}
pre_length = 0
for now_point in range(1, H * W + 1):
    pre_point = now_point - D
    if now_point > D:
        pre_length = move_dict[now_point - D]
        now_h = field_dict[now_point][0]
        now_w = field_dict[now_point][1]
        pre_h = field_dict[pre_point][0]
        pre_w = field_dict[pre_point][1]
        move_dict[now_point] = abs(now_h - pre_h) + abs(now_w - pre_w) + pre_length
    else:
        move_dict[now_point] = 0
           
#試験
Q = int(input())
for test in range(Q):
    target = list(map(int, input().split()))
    count = move_dict[target[1]] - move_dict[target[0]]
    print(count)