Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]
 
C = [[0] * w for i in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])
 
V = [[2] * w for i in range(h)]
for i in range(h):
    V[i][0] -= 1
for i in range(w):
    V[0][i] -= 1
 
l = 7000
m = 0
 
M = [[[0] * l for i in range(w)] for j in range(h)]
N = [[0 for i in range(w)] for j in range(h)]
N[0][0] = C[0][0]
 
s = 0
Q = []
for i in range(h):
    Q.append([i, 0])
for i in range(1, w):
    Q.append([0, i])
for i in range(1, h):
    for j in range(1, w):
        Q.append([i, j])

M[0][0][C[0][0]] = 1
# M[0][0][m-C[0][0]] = 1
 
for s in range(len(Q)):
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        for ii in range(min(N[i][j]+1, l)):
            if M[i][j][ii] == 1:
                if abs(ii+C[i+1][j]) < l:
                    M[i+1][j][abs(ii+C[i+1][j])] = 1
                if abs(ii-C[i+1][j]) < l:
                    M[i+1][j][abs(ii-C[i+1][j])] = 1

        N[i+1][j] = max(N[i+1][j], N[i][j] + C[i+1][j])

    if j+1 < w:
        for ii in range(min(N[i][j]+1, l)):
            if M[i][j][ii] == 1:
                if abs(ii+C[i][j+1]) < l:
                    M[i][j+1][abs(ii+C[i][j+1])] = 1
                if abs(ii-C[i][j+1]) < l:
                    M[i][j+1][abs(ii-C[i][j+1])] = 1

        N[i][j+1] = max(N[i][j+1], N[i][j] + C[i][j+1])
 
# print(M[-1][-1])
 
ans = 10**5
for i in range(len(M[-1][-1])):
    if M[-1][-1][i] == 1:
        ans = i
        break
print(ans)

Fixed submission:
import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]
 
C = [[0] * w for i in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])
 
M = [[0] * w for i in range(h)]
 
s = 0
Q = []
for i in range(h):
    Q.append([i, 0])
for i in range(1, w):
    Q.append([0, i])
for i in range(1, h):
    for j in range(1, w):
        Q.append([i, j])

m = 80
M[0][0] = (1 << m + C[0][0]) | (1 << m - C[0][0])

for s in range(len(Q)):
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        M[i+1][j] |= (M[i][j] << m + C[i+1][j]) | (M[i][j] << m - C[i+1][j])
    if j+1 < w:
        M[i][j+1] |= (M[i][j] << m + C[i][j+1]) | (M[i][j] << m - C[i][j+1])

        # N[i][j+1] = max(N[i][j+1], N[i][j] + C[i][j+1])
 
# print(M[-1][-1])
b = bin(M[-1][-1])
ans = float("inf")
for i in range(len(b)):
    if b[-1-i] == "1":
        ans = min(ans, abs(i - m*(h+w-1)))
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]
 
C = [[0] * w for i in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])
 
V = [[2] * w for i in range(h)]
for i in range(h):
    V[i][0] -= 1
for i in range(w):
    V[0][i] -= 1
 
l = 6500
m = 0
 
M = [[[0] * l for i in range(w)] for j in range(h)]
N = [[0 for i in range(w)] for j in range(h)]
N[0][0] = C[0][0]
 
s = 0
Q = [[0, 0]]
 
M[0][0][C[0][0]] = 1
# M[0][0][m-C[0][0]] = 1
 
while len(Q) > s:
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        for ii in range(min(N[i][j]+1, l)):
            if M[i][j][ii] == 1:
                if abs(ii+C[i+1][j]) < l:
                    M[i+1][j][abs(ii+C[i+1][j])] = 1
                if abs(ii-C[i+1][j]) < l:
                    M[i+1][j][abs(ii-C[i+1][j])] = 1
        V[i+1][j] -= 1
        # print(N[i+1][j], N[i][j] + C[i+1][j])
        N[i+1][j] = max(N[i+1][j], N[i][j] + C[i+1][j])
        if V[i+1][j]==0:
            Q.append([i+1,j])
    if j+1 < w:
        for ii in range(min(N[i][j]+1, l)):
            if M[i][j][ii] == 1:
                if abs(ii+C[i][j+1]) < l:
                    M[i][j+1][abs(ii+C[i][j+1])] = 1
                if abs(ii-C[i][j+1]) < l:
                    M[i][j+1][abs(ii-C[i][j+1])] = 1
        V[i][j+1] -= 1
        N[i][j+1] = max(N[i][j+1], N[i][j] + C[i][j+1])
        if V[i][j+1]==0:
            Q.append([i,j+1])
        
    
    s += 1
 
# print(M[-1][-1])
 
ans = 10**5
for i in range(len(M[-1][-1])):
    if M[-1][-1][i] == 1:
        ans = i
        break
print(ans)

Fixed submission:
import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]
 
C = [[0] * w for i in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])
 
M = [[0] * w for i in range(h)]
 
s = 0
Q = []
for i in range(h):
    Q.append([i, 0])
for i in range(1, w):
    Q.append([0, i])
for i in range(1, h):
    for j in range(1, w):
        Q.append([i, j])

m = 80
M[0][0] = (1 << m + C[0][0]) | (1 << m - C[0][0])

for s in range(len(Q)):
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        M[i+1][j] |= (M[i][j] << m + C[i+1][j]) | (M[i][j] << m - C[i+1][j])
    if j+1 < w:
        M[i][j+1] |= (M[i][j] << m + C[i][j+1]) | (M[i][j] << m - C[i][j+1])

        # N[i][j+1] = max(N[i][j+1], N[i][j] + C[i][j+1])
 
# print(M[-1][-1])
b = bin(M[-1][-1])
ans = float("inf")
for i in range(len(b)):
    if b[-1-i] == "1":
        ans = min(ans, abs(i - m*(h+w-1)))
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np

import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]
 
C = np.zeros((h,w),dtype="int")
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])
 
V = [[2] * w for i in range(h)]
for i in range(h):
    V[i][0] -= 1
for i in range(w):
    V[0][i] -= 1
 
l = 6600
m = 0
 
M = np.zeros((h,w,l),dtype="int")
N = np.zeros((h,w),dtype="int")
N[0][0] = C[0][0]
 
s = 0
Q = [[0, 0]]
 
M[0][0][C[0][0]] = 1
# M[0][0][m-C[0][0]] = 1
 
while len(Q) > s:
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        for ii in range(min(N[i][j]+1, l)):
            if M[i][j][ii] == 1:
                if abs(ii+C[i+1][j]) < l:
                    M[i+1][j][abs(ii+C[i+1][j])] = 1
                if abs(ii-C[i+1][j]) < l:
                    M[i+1][j][abs(ii-C[i+1][j])] = 1
        V[i+1][j] -= 1
        # print(N[i+1][j], N[i][j] + C[i+1][j])
        N[i+1][j] = max(N[i+1][j], N[i][j] + C[i+1][j])
        if V[i+1][j]==0:
            Q.append([i+1,j])
    if j+1 < w:
        for ii in range(min(N[i][j]+1, l)):
            if M[i][j][ii] == 1:
                if abs(ii+C[i][j+1]) < l:
                    M[i][j+1][abs(ii+C[i][j+1])] = 1
                if abs(ii-C[i][j+1]) < l:
                    M[i][j+1][abs(ii-C[i][j+1])] = 1
        V[i][j+1] -= 1
        N[i][j+1] = max(N[i][j+1], N[i][j] + C[i][j+1])
        if V[i][j+1]==0:
            Q.append([i,j+1])
        
    
    s += 1
 
# print(M[-1][-1])
 
ans = 10**5
for i in range(len(M[-1][-1])):
    if M[-1][-1][i] == 1:
        ans = i
        break
print(ans)

Fixed submission:
import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]
 
C = [[0] * w for i in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])
 
M = [[0] * w for i in range(h)]
 
s = 0
Q = []
for i in range(h):
    Q.append([i, 0])
for i in range(1, w):
    Q.append([0, i])
for i in range(1, h):
    for j in range(1, w):
        Q.append([i, j])

m = 80
M[0][0] = (1 << m + C[0][0]) | (1 << m - C[0][0])

for s in range(len(Q)):
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        M[i+1][j] |= (M[i][j] << m + C[i+1][j]) | (M[i][j] << m - C[i+1][j])
    if j+1 < w:
        M[i][j+1] |= (M[i][j] << m + C[i][j+1]) | (M[i][j] << m - C[i][j+1])

        # N[i][j+1] = max(N[i][j+1], N[i][j] + C[i][j+1])
 
# print(M[-1][-1])
b = bin(M[-1][-1])
ans = float("inf")
for i in range(len(b)):
    if b[-1-i] == "1":
        ans = min(ans, abs(i - m*(h+w-1)))
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]

C = [[0] * w for i in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])

V = [[2] * w for i in range(h)]
for i in range(h):
    V[i][0] -= 1
for i in range(w):
    V[0][i] -= 1

l = 6600
m = 0

M = [[[0] * l for i in range(w)] for j in range(h)]
N = [[0 for i in range(w)] for j in range(h)]
N[0][0] = C[0][0]

s = 0
Q = [[0, 0]]

M[0][0][C[0][0]] = 1
# M[0][0][m-C[0][0]] = 1

while len(Q) > s:
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        for ii in range(min(N[i][j]+1, l)):
            if M[i][j][ii] == 1:
                if abs(ii+C[i+1][j]) < l:
                    M[i+1][j][abs(ii+C[i+1][j])] = 1
                if abs(ii-C[i+1][j]) < l:
                    M[i+1][j][abs(ii-C[i+1][j])] = 1
        V[i+1][j] -= 1
        # print(N[i+1][j], N[i][j] + C[i+1][j])
        N[i+1][j] = max(N[i+1][j], N[i][j] + C[i+1][j])
        if V[i+1][j]==0:
            Q.append([i+1,j])
    if j+1 < w:
        for ii in range(min(N[i][j]+1, l)):
            if M[i][j][ii] == 1:
                if abs(ii+C[i][j+1]) < l:
                    M[i][j+1][abs(ii+C[i][j+1])] = 1
                if abs(ii-C[i][j+1]) < l:
                    M[i][j+1][abs(ii-C[i][j+1])] = 1
        V[i][j+1] -= 1
        N[i][j+1] = max(N[i][j+1], N[i][j] + C[i][j+1])
        if V[i][j+1]==0:
            Q.append([i,j+1])
        
    
    s += 1

# print(M[-1][-1])

ans = 10**5
for i in range(len(M[-1][-1])):
    if M[-1][-1][i] == 1:
        ans = i
        break
print(ans)

Fixed submission:
import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]
 
C = [[0] * w for i in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])
 
M = [[0] * w for i in range(h)]
 
s = 0
Q = []
for i in range(h):
    Q.append([i, 0])
for i in range(1, w):
    Q.append([0, i])
for i in range(1, h):
    for j in range(1, w):
        Q.append([i, j])

m = 80
M[0][0] = (1 << m + C[0][0]) | (1 << m - C[0][0])

for s in range(len(Q)):
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        M[i+1][j] |= (M[i][j] << m + C[i+1][j]) | (M[i][j] << m - C[i+1][j])
    if j+1 < w:
        M[i][j+1] |= (M[i][j] << m + C[i][j+1]) | (M[i][j] << m - C[i][j+1])

        # N[i][j+1] = max(N[i][j+1], N[i][j] + C[i][j+1])
 
# print(M[-1][-1])
b = bin(M[-1][-1])
ans = float("inf")
for i in range(len(b)):
    if b[-1-i] == "1":
        ans = min(ans, abs(i - m*(h+w-1)))
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]

C = [[0] * w for i in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])

V = [[2] * w for i in range(h)]
for i in range(h):
    V[i][0] -= 1
for i in range(w):
    V[0][i] -= 1

l = 3505*2
m = 3505

M = [[[0] * l for i in range(w)] for j in range(h)]



s = 0
Q = [[0, 0]]

M[0][0][m+C[0][0]] = 1
M[0][0][m-C[0][0]] = 1

while len(Q) > s:
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        for ii in range(l):
            if M[i][j][ii] == 1:
                if ii+C[i+1][j] < l:
                    M[i+1][j][ii+C[i+1][j]] = 1
                if ii-C[i+1][j] >= 0:
                    M[i+1][j][ii-C[i+1][j]] = 1
        V[i+1][j] -= 1
        if V[i+1][j]==0:
            Q.append([i+1,j])
    if j+1 < w:
        for ii in range(l):
            if M[i][j][ii] == 1:
                if ii+C[i][j+1] < l:
                    M[i][j+1][ii+C[i][j+1]] = 1
                if ii-C[i][j+1] >= 0:
                    M[i][j+1][ii-C[i][j+1]] = 1
        V[i][j+1] -= 1
        if V[i][j+1]==0:
            Q.append([i,j+1])
        
    
    s += 1

# print(M[-1][-1])

ans = 10**5
for i in range(len(M[-1][-1])):
    if M[-1][-1][i] == 1:
        ans = min(ans, abs(i-m))
print(ans)

Fixed submission:
import sys
input = sys.stdin.readline
h, w = map(int,input().split())
A = [list(map(int,input().split())) for i in range(h)]
B = [list(map(int,input().split())) for i in range(h)]
 
C = [[0] * w for i in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j]-B[i][j])
 
M = [[0] * w for i in range(h)]
 
s = 0
Q = []
for i in range(h):
    Q.append([i, 0])
for i in range(1, w):
    Q.append([0, i])
for i in range(1, h):
    for j in range(1, w):
        Q.append([i, j])

m = 80
M[0][0] = (1 << m + C[0][0]) | (1 << m - C[0][0])

for s in range(len(Q)):
    i = Q[s][0]
    j = Q[s][1]
    if i+1 < h:
        M[i+1][j] |= (M[i][j] << m + C[i+1][j]) | (M[i][j] << m - C[i+1][j])
    if j+1 < w:
        M[i][j+1] |= (M[i][j] << m + C[i][j+1]) | (M[i][j] << m - C[i][j+1])

        # N[i][j+1] = max(N[i][j+1], N[i][j] + C[i][j+1])
 
# print(M[-1][-1])
b = bin(M[-1][-1])
ans = float("inf")
for i in range(len(b)):
    if b[-1-i] == "1":
        ans = min(ans, abs(i - m*(h+w-1)))
print(ans)