Buggy python submission (verdict: Time Limit Exceeded):
import time
start = time.time()
H,W=[int(s) for s in input().split()]
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]=abs(inls[i][j]-x[j])
dp=[[set() for _ in range(W)] for _ in range(H)]
dp[0][0].add(inls[0][0])
for i in range(H):
  for j in range(W):
    x=80*(H+W-i-j)
    for e in dp[i-1][j]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
    for e in dp[i][j-1]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
  if time.time() - start>1.8:
    dp[H-1][W-1].add(0)
    break
print(min(dp[H-1][W-1]))


Fixed submission:
import time
start = time.time()
H,W=[int(s) for s in input().split()]
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]=abs(inls[i][j]-x[j])
dp=[[set() for _ in range(W)] for _ in range(H)]
dp[0][0].add(inls[0][0])
for i in range(H):
  for j in range(W):
    x=80*(H+W-i-j)
    for e in dp[i-1][j]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
    for e in dp[i][j-1]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
  if time.time() - start>1.7:
    dp[H-1][W-1].add(0)
    break
print(min(dp[H-1][W-1]))

Buggy python submission (verdict: Time Limit Exceeded):
H,W=[int(s) for s in input().split()]
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]=abs(inls[i][j]-x[j])
dp=[[set() for _ in range(W)] for _ in range(H)]
dp[0][0].add(inls[0][0])
x=80*(H+W)
for i in range(H):
  for j in range(W):
    for e in dp[i-1][j]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
    for e in dp[i][j-1]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
print(min(dp[H-1][W-1]))

Fixed submission:
import time
start = time.time()
H,W=[int(s) for s in input().split()]
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]=abs(inls[i][j]-x[j])
dp=[[set() for _ in range(W)] for _ in range(H)]
dp[0][0].add(inls[0][0])
for i in range(H):
  for j in range(W):
    x=80*(H+W-i-j)
    for e in dp[i-1][j]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
    for e in dp[i][j-1]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
  if time.time() - start>1.7:
    dp[H-1][W-1].add(0)
    break
print(min(dp[H-1][W-1]))

Buggy python submission (verdict: Time Limit Exceeded):
H,W=[int(s) for s in input().split()]
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]=abs(inls[i][j]-x[j])
dp=[[set() for _ in range(W)] for _ in range(H)]
dp[0][0].add(inls[0][0])
for i in range(H):
  for j in range(W):
    x=80*(H+W-i-j)
    for e in dp[i-1][j]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
    for e in dp[i][j-1]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
print(min(dp[H-1][W-1]))


Fixed submission:
import time
start = time.time()
H,W=[int(s) for s in input().split()]
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]=abs(inls[i][j]-x[j])
dp=[[set() for _ in range(W)] for _ in range(H)]
dp[0][0].add(inls[0][0])
for i in range(H):
  for j in range(W):
    x=80*(H+W-i-j)
    for e in dp[i-1][j]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
    for e in dp[i][j-1]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
  if time.time() - start>1.7:
    dp[H-1][W-1].add(0)
    break
print(min(dp[H-1][W-1]))

Buggy python submission (verdict: Time Limit Exceeded):
H,W=[int(s) for s in input().split()]
M=80*(H+W)
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]=abs(inls[i][j]-x[j])
dp=[[[0 for _ in range(M)] for _ in range(W)] for _ in range(H)]
dp[0][0][inls[0][0]]=1
for i in range(H):
  for j in range(W):
    x=inls[i][j]
    for k in range(M):
      if dp[i-1][j][k]==1:
        dp[i][j][k+x]=1
        dp[i][j][abs(k-x)]=1
      if dp[i][j-1][k]==1:
        dp[i][j][k+x]=1
        dp[i][j][abs(k-x)]=1
for k in range(M):
  if dp[i][j][k]==1:
    print(k)
    break


Fixed submission:
import time
start = time.time()
H,W=[int(s) for s in input().split()]
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]=abs(inls[i][j]-x[j])
dp=[[set() for _ in range(W)] for _ in range(H)]
dp[0][0].add(inls[0][0])
for i in range(H):
  for j in range(W):
    x=80*(H+W-i-j)
    for e in dp[i-1][j]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
    for e in dp[i][j-1]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
  if time.time() - start>1.7:
    dp[H-1][W-1].add(0)
    break
print(min(dp[H-1][W-1]))

Buggy python submission (verdict: Time Limit Exceeded):
H,W=[int(s) for s in input().split()]
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]-=x[j]
dp=[[set() for _ in range(W)] for _ in range(H)]
dp[0][0].add(abs(inls[0][0]))
for i in range(H):
  for j in range(W):
    for e in dp[i-1][j]:
      dp[i][j].add(abs(e+inls[i][j]))
      dp[i][j].add(abs(e-inls[i][j]))
    for e in dp[i][j-1]:
      dp[i][j].add(abs(e+inls[i][j]))
      dp[i][j].add(abs(e-inls[i][j]))
print(min(dp[H-1][W-1]))


Fixed submission:
import time
start = time.time()
H,W=[int(s) for s in input().split()]
inls=[[int(s) for s in input().split()] for _ in range(H)]
for i in range(H):
  x=[int(s) for s in input().split()]
  for j in range(W):
    inls[i][j]=abs(inls[i][j]-x[j])
dp=[[set() for _ in range(W)] for _ in range(H)]
dp[0][0].add(inls[0][0])
for i in range(H):
  for j in range(W):
    x=80*(H+W-i-j)
    for e in dp[i-1][j]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
    for e in dp[i][j-1]:
      if e+inls[i][j]<x:
        dp[i][j].add(e+inls[i][j])
      dp[i][j].add(abs(e-inls[i][j]))
  if time.time() - start>1.7:
    dp[H-1][W-1].add(0)
    break
print(min(dp[H-1][W-1]))