Buggy python submission (verdict: Time Limit Exceeded):
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  A = [list(map(int,readline().split())) for _ in range(h)]
  B = [list(map(int,readline().split())) for _ in range(h)]
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(A[i][j] - B[i][j])

  dp = [[set() for _ in range(w)] for _ in range(h)]
  dp[0][0].add(C[0][0])

  for i in range(h):
    for j in range(w):
      for k in dp[i][j]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j].add(k+c)
            dp[i+1][j].add(abs(k-c))
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1].add(k+d)
            dp[i][j+1].add(abs(k-d))

  print(min(dp[h-1][w-1]))
if __name__ == '__main__':
    main()

Fixed submission:
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  A = [list(map(int,readline().split())) for _ in range(h)]
  B = [list(map(int,readline().split())) for _ in range(h)]
  C = [[False]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(A[i][j] - B[i][j])

  dp = [[set() for _ in range(w)] for _ in range(h)]
  dp[0][0].add(C[0][0])

  for i in range(h):
    for j in range(w):
      for k in dp[i][j]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j].add(k+c)
            dp[i+1][j].add(abs(k-c))
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1].add(k+d)
            dp[i][j+1].add(abs(k-d))

  print(min(dp[h-1][w-1]))
if __name__ == '__main__':
    main()

Fixed submission:
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

h,w = map(int,readline().split())
a = []
A = [list(map(int,readline().split())) for _ in range(h)]
B = [list(map(int,readline().split())) for _ in range(h)]
C = [[False]*w for _ in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j] - B[i][j])

dp = [[set() for _ in range(w)] for _ in range(h)]
dp[0][0].add(C[0][0])

for i in range(h):
  for j in range(w):
    for k in dp[i][j]:
        if i < h-1:
          c = C[i+1][j]
          if k+c < 6321:
            dp[i+1][j].add(k+c)
          dp[i+1][j].add(abs(k-c))
        if j < w-1:
          d = C[i][j+1]
          if k+d < 6321:
            dp[i][j+1].add(k+d)
          dp[i][j+1].add(abs(k-d))

print(min(dp[h-1][w-1]))

Fixed submission:
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()

Fixed submission:
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)

  dp = [[set() for _ in range(w)] for _ in range(h)]
  dp[0][0].add(abs(a[0][0]-b[0][0]))

  for i in range(h):
    for j in range(w):
      for k in dp[i][j]:
          if i < h-1:
            c = abs(a[i+1][j]-b[i+1][j])
            if k+c < 5000:
              dp[i+1][j].add(k+c)
            dp[i+1][j].add(abs(k-c))
          if j < w-1:
            d = abs(a[i][j+1]-b[i][j+1])
            if k+d < 5000:
              dp[i][j+1].add(k+d)
            dp[i][j+1].add(abs(k-d))

  print(min(dp[h-1][w-1]))
if __name__ == '__main__':
    main()

Fixed submission:
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

h,w = map(int,readline().split())
a = []
A = [list(map(int,readline().split())) for _ in range(h)]
B = [list(map(int,readline().split())) for _ in range(h)]
C = [[False]*w for _ in range(h)]
for i in range(h):
    for j in range(w):
        C[i][j] = abs(A[i][j] - B[i][j])

dp = [[set() for _ in range(w)] for _ in range(h)]
dp[0][0].add(C[0][0])

for i in range(h):
  for j in range(w):
    for k in dp[i][j]:
        if i < h-1:
          c = C[i+1][j]
          if k+c < 6321:
            dp[i+1][j].add(k+c)
          dp[i+1][j].add(abs(k-c))
        if j < w-1:
          d = C[i][j+1]
          if k+d < 6321:
            dp[i][j+1].add(k+d)
          dp[i][j+1].add(abs(k-d))

print(min(dp[h-1][w-1]))

Fixed submission:
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

h,w = map(int,readline().split())
a = []
for i in range(h):
  s = list(map(int,readline().split()))
  a.append(s)
b = []
for i in range(h):
  t = list(map(int,readline().split()))
  b.append(t)

dp = [[set() for _ in range(w)] for _ in range(h)]
dp[0][0].add(abs(a[0][0]-b[0][0]))

for i in range(h):
  for j in range(w):
    for k in dp[i][j]:
        if i < h-1:
          c = abs(a[i+1][j]-b[i+1][j])
          if k+c < 5000:
            dp[i+1][j].add(k+c)
          dp[i+1][j].add(abs(k-c))
        if j < w-1:
          d = abs(a[i][j+1]-b[i][j+1])
          if k+d < 5000:
            dp[i][j+1].add(k+d)
          dp[i][j+1].add(abs(k-d))

print(min(dp[h-1][w-1]))

Fixed submission:
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
h,w = map(int,input().split())
a = []
for i in range(h):
  s = list(map(int,input().split()))
  a.append(s)
b = []
for i in range(h):
  t = list(map(int,input().split()))
  b.append(t)

dp = [[set() for _ in range(w)] for _ in range(h)]
dp[0][0].add(abs(a[0][0]-b[0][0]))

for i in range(h):
  for j in range(w):
    for k in dp[i][j]:
        if i < h-1:
          c = abs(a[i+1][j]-b[i+1][j])
          if k+c < 6321:
            dp[i+1][j].add(k+c)
          dp[i+1][j].add(abs(k-c))
        if j < w-1:
          d = abs(a[i][j+1]-b[i][j+1])
          if k+d < 6321:
            dp[i][j+1].add(k+d)
          dp[i][j+1].add(abs(k-d))
      
ans = list(dp[h-1][w-1])
print(min(ans))

Fixed submission:
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()

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

dp = [[[False]*6321 for i in range(w)] for _ in range(h)]
dp[0][0][abs(a[0][0]-b[0][0])] = True

for i in range(h):
  for j in range(w):
    for k in range(6321):
      if dp[i][j][k]:
        if i < h-1:
          c = abs(a[i+1][j]-b[i+1][j])
          if k+c < 6321:
            dp[i+1][j][k+c] = True
          dp[i+1][j][abs(k-c)] = True
        if j < w-1:
          d = abs(a[i][j+1]-b[i][j+1])
          if k+d < 6321:
            dp[i][j+1][k+d] = True
          dp[i][j+1][abs(k-d)] = True
          
for i in range(6321):
  if dp[h-1][w-1][i]:
    print(i)
    break

Fixed submission:
def main():  
  import sys
  read = sys.stdin.buffer.read
  readline = sys.stdin.buffer.readline
  readlines = sys.stdin.buffer.readlines

  h,w = map(int,readline().split())
  a = []
  for i in range(h):
    s = list(map(int,readline().split()))
    a.append(s)
  b = []
  for i in range(h):
    t = list(map(int,readline().split()))
    b.append(t)
  C = [[0]*w for _ in range(h)]
  for i in range(h):
      for j in range(w):
          C[i][j] = abs(a[i][j] - b[i][j])

  dp = [[[0]*6321 for i in range(w)] for _ in range(h)]
  dp[0][0][C[0][0]] = 1

  for i in range(h):
    for j in range(w):
      for k in range(6321):
        if dp[i][j][k]:
          if i < h-1:
            c = C[i+1][j]
            if k+c < 6321:
              dp[i+1][j][k+c] = 1
            dp[i+1][j][abs(k-c)] = 1
          if j < w-1:
            d = C[i][j+1]
            if k+d < 6321:
              dp[i][j+1][k+d] = 1
            dp[i][j+1][abs(k-d)] = 1

  for i in range(6321):
    if dp[h-1][w-1][i]:
      print(i)
      break
      
if __name__ == "__main__":
    main()