Buggy python submission (verdict: Time Limit Exceeded):
import sys

sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline

######################################################

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [-1] * (H * W)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B = sorted(B, key=lambda x: x[0])
C = [b[0] for b in B]

import bisect

for i in range(int(input())):

    l, r = [int(_) for _ in input().split()]
    pre = None
    pre_n = 0
    ans = 0
    while l <= r:
        ni = bisect.bisect_left(C, l, pre_n)
        # print(B[ni])
        if pre is not None:
            ans += abs(B[ni][1][0] - pre[0]) + abs(B[ni][1][1] - pre[1])
        pre_ni = ni
        l = l + D
        pre = (B[ni][1])
    print(ans)


Fixed submission:
import sys

sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline

######################################################

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [None] * (H * W + 1)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B[H * W] = (0, (-1, -1))
B = sorted(B, key=lambda x: x[0])
costs = [0] * (H * W + 1)
for i in range(H * W, 0, -1):
    if i + D <= H * W:
        costs[i] = costs[i + D] + abs(B[i][1][0] - B[i + D][1][0]) + abs(B[i][1][1] - B[i + D][1][1])

for i in range(int(input())):
    l,r = [int(_) for _ in input().split()]
    print(costs[l] - costs[r])

Buggy python submission (verdict: Time Limit Exceeded):
import sys

sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline

######################################################

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [-1] * (H * W)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B = sorted(B, key=lambda x: x[0])
C = [b[0] for b in B]

import bisect

for i in range(int(input())):
    l, r = [int(_) for _ in input().split()]
    pre = None
    ans = 0
    while l <= r:
        ni = bisect.bisect_left(C, l)
        # print(B[ni])
        if pre is not None:
            ans += abs(B[ni][1][0] - pre[0]) + abs(B[ni][1][1] - pre[1])
        l = l + D
        pre = (B[ni][1])
    print(ans)


Fixed submission:
import sys

sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline

######################################################

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [None] * (H * W + 1)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B[H * W] = (0, (-1, -1))
B = sorted(B, key=lambda x: x[0])
costs = [0] * (H * W + 1)
for i in range(H * W, 0, -1):
    if i + D <= H * W:
        costs[i] = costs[i + D] + abs(B[i][1][0] - B[i + D][1][0]) + abs(B[i][1][1] - B[i + D][1][1])

for i in range(int(input())):
    l,r = [int(_) for _ in input().split()]
    print(costs[l] - costs[r])

Buggy python submission (verdict: Time Limit Exceeded):
import sys

sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline

######################################################

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [-1] * (H * W)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B.sort()
C = [b[0] for b in B]

import bisect

for i in range(int(input())):
    l, r = [int(_) for _ in input().split()]
    pre = None
    ans = 0
    while l <= r:
        ni = bisect.bisect_left(C, l)
        # print(B[ni])
        if pre is not None:
            ans += abs(B[ni][1][0] - pre[0]) + abs(B[ni][1][1] - pre[1])
        l = l + D
        pre = (B[ni][1])
    print(ans)


Fixed submission:
import sys

sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline

######################################################

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [None] * (H * W + 1)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B[H * W] = (0, (-1, -1))
B = sorted(B, key=lambda x: x[0])
costs = [0] * (H * W + 1)
for i in range(H * W, 0, -1):
    if i + D <= H * W:
        costs[i] = costs[i + D] + abs(B[i][1][0] - B[i + D][1][0]) + abs(B[i][1][1] - B[i + D][1][1])

for i in range(int(input())):
    l,r = [int(_) for _ in input().split()]
    print(costs[l] - costs[r])

Buggy python submission (verdict: Time Limit Exceeded):
import sys

sys.setrecursionlimit(10 ** 9)
# input = sys.stdin.readline

######################################################

INF = 1e10

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [-1] * (H * W)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B.sort()
C = [b[0] for b in B]

import bisect

for i in range(int(input())):
    l, r = [int(_) for _ in input().split()]
    pre = None
    ans = 0
    while l <= r:
        ni = bisect.bisect_left(C, l)
        # print(B[ni])
        if pre is not None:
            ans += abs(B[ni][1][0] - pre[0]) + abs(B[ni][1][1] - pre[1])
        l = l + D
        pre = (B[ni][1])
    print(ans)


Fixed submission:
import sys

sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline

######################################################

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [None] * (H * W + 1)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B[H * W] = (0, (-1, -1))
B = sorted(B, key=lambda x: x[0])
costs = [0] * (H * W + 1)
for i in range(H * W, 0, -1):
    if i + D <= H * W:
        costs[i] = costs[i + D] + abs(B[i][1][0] - B[i + D][1][0]) + abs(B[i][1][1] - B[i + D][1][1])

for i in range(int(input())):
    l,r = [int(_) for _ in input().split()]
    print(costs[l] - costs[r])

Buggy python submission (verdict: Time Limit Exceeded):
import sys

sys.setrecursionlimit(10 ** 9)
# input = sys.stdin.readline

######################################################

INF = 1e10

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [-1] * (H * W)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B.sort()
C = [b[0] for b in B]

import bisect

for i in range(int(input())):
    l, r = [int(_) for _ in input().split()]
    pre = None
    ans = 0
    while l <= r:
        ni = bisect.bisect_left(C, l)
        # print(B[ni])
        if pre is not None:
            ans += abs(B[ni][1][0] - pre[0]) + abs(B[ni][1][1] - pre[1])
        l = l + D
        pre = (B[ni][1])
    print(ans)


Fixed submission:
import sys

sys.setrecursionlimit(10 ** 9)
input = sys.stdin.readline

######################################################

H, W, D = [int(_) for _ in input().split()]

A = [[int(_) for _ in input().split()]
     for _ in range(H)]

B = [None] * (H * W + 1)
for i in range(H):
    h = i * W
    for j in range(W):
        B[h + j] = (A[i][j], (i, j))
B[H * W] = (0, (-1, -1))
B = sorted(B, key=lambda x: x[0])
costs = [0] * (H * W + 1)
for i in range(H * W, 0, -1):
    if i + D <= H * W:
        costs[i] = costs[i + D] + abs(B[i][1][0] - B[i + D][1][0]) + abs(B[i][1][1] - B[i + D][1][1])

for i in range(int(input())):
    l,r = [int(_) for _ in input().split()]
    print(costs[l] - costs[r])