Buggy python submission (verdict: Time Limit Exceeded):
import sys
# input = sys.stdin.buffer.readline
def input(): return sys.stdin.readline().rstrip()
sys.setrecursionlimit(10 ** 7)

MAX = 30000   # (80+80)*80=12800
MID = 15000   # 15000を0とする
H, W = map(int, input().split())
A = [[int(x) for x in input().split()] for _ in range(H)]
B = [[int(x) for x in input().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 = [[[0]*MAX for _ in range(W)] for _ in range(H)]
dp[0][0][MID+C[0][0]] = 1
dp[0][0][MID-C[0][0]] = 1
for i in range(H):
    for j in range(W):
        if i:
            for k in range(MAX):
                if dp[i-1][j][k] == 1:
                    dp[i][j][k+C[i][j]] = 1
                    dp[i][j][k-C[i][j]] = 1
        if j:
            for k in range(MAX):
                if dp[i][j-1][k] == 1:
                    dp[i][j][k+C[i][j]] = 1
                    dp[i][j][k-C[i][j]] = 1
ans = MAX
for i in range(MAX):
    if dp[H-1][W-1][i] == 1:
        ans = min(ans, abs(i-MID))
print(ans)

Fixed submission:
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)]
center = 80 * (H+W)
C = [[abs(A[i][j] - B[i][j]) for j in range(W)] for i in range(H)]

dp = [[0] * W for i in range(H)]
dp[0][0] = (1 << (center + C[0][0])) | (1 >> (center - C[0][0]))

for i in range(H):
    for j in range(W):
        if i:
            dp[i][j] |= dp[i-1][j] << C[i][j]
            dp[i][j] |= dp[i-1][j] >> C[i][j]
        if j:
            dp[i][j] |= dp[i][j-1] << C[i][j]
            dp[i][j] |= dp[i][j-1] >> C[i][j]

ans = center * 2
for i in range(center*2):
    if (dp[H-1][W-1] >> i) & 1:
        ans = min(ans, abs(i-center))

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
# input = sys.stdin.buffer.readline
def input(): return sys.stdin.readline().rstrip()
sys.setrecursionlimit(10 ** 7)

MAX = 30000   # (80+80)*80=12800
MID = 15000   # 15000を0とする
H, W = map(int, input().split())
A = [[int(x) for x in input().split()] for _ in range(H)]
B = [[int(x) for x in input().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 = [[[0]*MAX for _ in range(W)] for _ in range(H)]
dp[0][0][MID+C[0][0]] = 1
dp[0][0][MID-C[0][0]] = 1
for i in range(H):
    for j in range(W):
        if i:
            for k in range(MAX):
                if dp[i-1][j][k] == 1:
                    dp[i][j][k+C[i][j]] = 1
                    dp[i][j][k-C[i][j]] = 1
        if j:
            for k in range(MAX):
                if dp[i][j-1][k] == 1:
                    dp[i][j][k+C[i][j]] = 1
                    dp[i][j][k-C[i][j]] = 1
ans = MAX
for i in range(MAX):
    if dp[H-1][W-1][i] == 1:
        ans = min(ans, abs(i-MID))
print(ans)

Fixed submission:
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)]
center = 80 * (H+W)
C = [[abs(A[i][j] - B[i][j]) for j in range(W)] for i in range(H)]

dp = [[0] * W for i in range(H)]
dp[0][0] = (1 << (center + C[0][0])) | (1 >> (center - C[0][0]))

for i in range(H):
    for j in range(W):
        if i:
            dp[i][j] |= dp[i-1][j] << C[i][j]
            dp[i][j] |= dp[i-1][j] >> C[i][j]
        if j:
            dp[i][j] |= dp[i][j-1] << C[i][j]
            dp[i][j] |= dp[i][j-1] >> C[i][j]

ans = center * 2
for i in range(center*2):
    if (dp[H-1][W-1] >> i) & 1:
        ans = min(ans, abs(i-center))

print(ans)

Buggy python submission (verdict: Runtime Error):
import sys
# input = sys.stdin.buffer.readline
def input(): return sys.stdin.readline().rstrip()
sys.setrecursionlimit(10 ** 7)

MAX = 500   # (80+80)*80=240
MID = 250   # 250を0とする
H, W = map(int, input().split())
A = [[int(x) for x in input().split()] for _ in range(H)]
B = [[int(x) for x in input().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 = [[[0]*500 for _ in range(W)] for _ in range(H)]
dp[0][0][MID+C[0][0]] = 1
dp[0][0][MID-C[0][0]] = 1
for i in range(H):
    for j in range(W):
        if i:
            for k in range(MAX):
                if dp[i-1][j][k] == 1:
                    dp[i][j][k+C[i][j]] = 1
                    dp[i][j][k-C[i][j]] = 1
        if j:
            for k in range(MAX):
                if dp[i][j-1][k] == 1:
                    dp[i][j][k+C[i][j]] = 1
                    dp[i][j][k-C[i][j]] = 1
ans = MAX
for i in range(MAX):
    if dp[H-1][W-1][i] == 1:
        ans = min(ans, abs(i-MID))
print(ans)

Fixed submission:
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)]
center = 80 * (H+W)
C = [[abs(A[i][j] - B[i][j]) for j in range(W)] for i in range(H)]

dp = [[0] * W for i in range(H)]
dp[0][0] = (1 << (center + C[0][0])) | (1 >> (center - C[0][0]))

for i in range(H):
    for j in range(W):
        if i:
            dp[i][j] |= dp[i-1][j] << C[i][j]
            dp[i][j] |= dp[i-1][j] >> C[i][j]
        if j:
            dp[i][j] |= dp[i][j-1] << C[i][j]
            dp[i][j] |= dp[i][j-1] >> C[i][j]

ans = center * 2
for i in range(center*2):
    if (dp[H-1][W-1] >> i) & 1:
        ans = min(ans, abs(i-center))

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
# input = sys.stdin.buffer.readline
def input(): return sys.stdin.readline().rstrip()
sys.setrecursionlimit(10 ** 7)

# MAX = 1200000    # 80*80*80=512000

H, W = map(int, input().split())
A = [[int(x) for x in input().split()] for _ in range(H)]
B = [[int(x) for x in input().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):
        if i:
            for k in dp[i-1][j]:
                dp[i][j].add(abs(k+C[i][j]))
                dp[i][j].add(abs(k-C[i][j]))
        if j:
            for k in dp[i][j-1]:
                dp[i][j].add(abs(k+C[i][j]))
                dp[i][j].add(abs(k-C[i][j]))
print(min(dp[H-1][W-1]))


Fixed submission:
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)]
center = 80 * (H+W)
C = [[abs(A[i][j] - B[i][j]) for j in range(W)] for i in range(H)]

dp = [[0] * W for i in range(H)]
dp[0][0] = (1 << (center + C[0][0])) | (1 >> (center - C[0][0]))

for i in range(H):
    for j in range(W):
        if i:
            dp[i][j] |= dp[i-1][j] << C[i][j]
            dp[i][j] |= dp[i-1][j] >> C[i][j]
        if j:
            dp[i][j] |= dp[i][j-1] << C[i][j]
            dp[i][j] |= dp[i][j-1] >> C[i][j]

ans = center * 2
for i in range(center*2):
    if (dp[H-1][W-1] >> i) & 1:
        ans = min(ans, abs(i-center))

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
# input = sys.stdin.buffer.readline
def input(): return sys.stdin.readline().rstrip()
sys.setrecursionlimit(10 ** 7)

MAX = 1200000    # 80*80*80=512000

H, W = map(int, input().split())
A = [[int(x) for x in input().split()] for _ in range(H)]
B = [[int(x) for x in input().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):
        if i:
            for k in dp[i-1][j]:
                dp[i][j].add(abs(k+C[i][j]))
                dp[i][j].add(abs(k-C[i][j]))
        if j:
            for k in dp[i][j-1]:
                dp[i][j].add(abs(k+C[i][j]))
                dp[i][j].add(abs(k-C[i][j]))
print(min(dp[H-1][W-1]))


Fixed submission:
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)]
center = 80 * (H+W)
C = [[abs(A[i][j] - B[i][j]) for j in range(W)] for i in range(H)]

dp = [[0] * W for i in range(H)]
dp[0][0] = (1 << (center + C[0][0])) | (1 >> (center - C[0][0]))

for i in range(H):
    for j in range(W):
        if i:
            dp[i][j] |= dp[i-1][j] << C[i][j]
            dp[i][j] |= dp[i-1][j] >> C[i][j]
        if j:
            dp[i][j] |= dp[i][j-1] << C[i][j]
            dp[i][j] |= dp[i][j-1] >> C[i][j]

ans = center * 2
for i in range(center*2):
    if (dp[H-1][W-1] >> i) & 1:
        ans = min(ans, abs(i-center))

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
H, W = map(int, input().split())
A = []
for i in range(H):
    A.append(list(map(int, input().split())))
B = []
for i in range(H):
    B.append(list(map(int, input().split())))

dp = [[[0] * ((H+W)*80) for _ in range(W)] for _ in range(H)]
dp[0][0][abs(A[0][0]-B[0][0])] = 1

for i in range(H):
    for j in range(W):
        dif = abs(A[i][j] - B[i][j])
        if i > 0:
            for k in range((H+W)*80):
                if dp[i-1][j][k] == 1:
                    dp[i][j][k+dif] = 1
                    if k >= dif:
                        dp[i][j][k-dif] = 1
                    else:
                        dp[i][j][dif-k] = 1
        if j > 0:
            for k in range((H+W)*80):
                if dp[i][j-1][k] == 1:
                    dp[i][j][k+dif] = 1
                    if k >= dif:
                        dp[i][j][k-dif] = 1
                    else:
                        dp[i][j][dif-k] = 1

for k in range(H*W*80):
    if dp[H-1][W-1][k] == 1:
        ans = k
        break

print(ans)


Fixed submission:
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)]
center = 80 * (H+W)
C = [[abs(A[i][j] - B[i][j]) for j in range(W)] for i in range(H)]

dp = [[0] * W for i in range(H)]
dp[0][0] = (1 << (center + C[0][0])) | (1 >> (center - C[0][0]))

for i in range(H):
    for j in range(W):
        if i:
            dp[i][j] |= dp[i-1][j] << C[i][j]
            dp[i][j] |= dp[i-1][j] >> C[i][j]
        if j:
            dp[i][j] |= dp[i][j-1] << C[i][j]
            dp[i][j] |= dp[i][j-1] >> C[i][j]

ans = center * 2
for i in range(center*2):
    if (dp[H-1][W-1] >> i) & 1:
        ans = min(ans, abs(i-center))

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
H, W = map(int, input().split())
A = []
for i in range(H):
    A.append(list(map(int, input().split())))
B = []
for i in range(H):
    B.append(list(map(int, input().split())))

dp = [[[0] * ((H+W)*80) for _ in range(W)] for _ in range(H)]
dp[0][0][abs(A[0][0]-B[0][0])] = 1

for i in range(H):
    for j in range(W):
        dif = abs(A[i][j] - B[i][j])
        if i > 0:
            for k in range((H+W)*80):
                if dp[i-1][j][k] == 1:
                    dp[i][j][k+dif] = 1
                    if k >= dif:
                        dp[i][j][k-dif] = 1
                    else:
                        dp[i][j][dif-k] = 1
        if j > 0:
            for k in range((H+W)*80):
                if dp[i][j-1][k] == 1:
                    dp[i][j][k+dif] = 1
                    if k >= dif:
                        dp[i][j][k-dif] = 1
                    else:
                        dp[i][j][dif-k] = 1

for k in range(H*W*80):
    if dp[H-1][W-1][k] == 1:
        ans = k
        break

print(ans)


Fixed submission:
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)]
center = 80 * (H+W)
C = [[abs(A[i][j] - B[i][j]) for j in range(W)] for i in range(H)]

dp = [[0] * W for i in range(H)]
dp[0][0] = (1 << (center + C[0][0])) | (1 >> (center - C[0][0]))

for i in range(H):
    for j in range(W):
        if i:
            dp[i][j] |= dp[i-1][j] << C[i][j]
            dp[i][j] |= dp[i-1][j] >> C[i][j]
        if j:
            dp[i][j] |= dp[i][j-1] << C[i][j]
            dp[i][j] |= dp[i][j-1] >> C[i][j]

ans = center * 2
for i in range(center*2):
    if (dp[H-1][W-1] >> i) & 1:
        ans = min(ans, abs(i-center))

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
H, W = map(int, input().split())
A = []
for i in range(H):
    A.append(list(map(int, input().split())))
B = []
for i in range(H):
    B.append(list(map(int, input().split())))

dp = [[[0] * (H*W*80) for _ in range(W)] for _ in range(H)]
dp[0][0][abs(A[0][0]-B[0][0])] = 1

for i in range(H):
    for j in range(W):
        dif = abs(A[i][j] - B[i][j])
        if i > 0:
            for k in range(H*W*80):
                if dp[i-1][j][k] == 1:
                    dp[i][j][k+dif] = 1
                    if k >= dif:
                        dp[i][j][k-dif] = 1
                    else:
                        dp[i][j][dif-k] = 1
        if j > 0:
            for k in range(H*W*80):
                if dp[i][j-1][k] == 1:
                    dp[i][j][k+dif] = 1
                    if k >= dif:
                        dp[i][j][k-dif] = 1
                    else:
                        dp[i][j][dif-k] = 1

for k in range(H*W*80):
    if dp[H-1][W-1][k] == 1:
        ans = k
        break

print(ans)


Fixed submission:
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)]
center = 80 * (H+W)
C = [[abs(A[i][j] - B[i][j]) for j in range(W)] for i in range(H)]

dp = [[0] * W for i in range(H)]
dp[0][0] = (1 << (center + C[0][0])) | (1 >> (center - C[0][0]))

for i in range(H):
    for j in range(W):
        if i:
            dp[i][j] |= dp[i-1][j] << C[i][j]
            dp[i][j] |= dp[i-1][j] >> C[i][j]
        if j:
            dp[i][j] |= dp[i][j-1] << C[i][j]
            dp[i][j] |= dp[i][j-1] >> C[i][j]

ans = center * 2
for i in range(center*2):
    if (dp[H-1][W-1] >> i) & 1:
        ans = min(ans, abs(i-center))

print(ans)