Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())
a = [list(map(int, input().split())) for _ in range(n)]

mod = 10**9 + 7

def matmul(A, B):
    C = [[0] * len(B[0]) for _ in range(len(A))]
    for i in range(len(A)):
        for k in range(len(B)):
            for j in range(len(B[0])):
                C[i][j] += A[i][k] * B[k][j]
                C[i][j] %= mod
    return C

def matpow(A, n):
    B = [[0] * len(A[0]) for _ in range(len(A))]
    for i in range(len(A)):
        B[i][i] = 1
    while n:
        if n & 1:
            B = matmul(B, A)
        A = matmul(A, A)
        n >>= 1
    return B

A = matpow(a, k)
ans = 0
for Ai in A:
    for Aij in Ai:
        ans += Aij
        ans %= mod

print(ans)



Fixed submission:
n, k = map(int, input().split())
a = [list(map(int, input().split())) for _ in range(n)]

mod = 10**9 + 7

def matmul(A, B):
    C = [[0] * len(B[0]) for _ in range(len(A))]
    for i in range(len(A)):
        for k in range(len(B)):
            for j in range(len(B[0])):
                C[i][j] += A[i][k] * B[k][j]
                C[i][j] %= mod
    return C

def matpow(A, n):
    B = [[0] * len(A[0]) for _ in range(len(A))]
    for i in range(len(A)):
        B[i][i] = 1
    while n:
        if n & 1:
            B = matmul(B, A)
        A = matmul(A, A)
        n >>= 1
    return B

A = matpow(a, k)
ans = 0
for Ai in A:
    for Aij in Ai:
        ans += Aij
        ans %= mod

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
k = input()
d = int(input())
mod = 10**9 + 7

dp = [[[0] * d for i in range(2)] for j in range(len(k)+1)]
dp[0][0][0] = 1

for i in range(len(k)):
    for j in range(2):
        for m in range(d):
            if j == 1:
                for num in range(10):
                    dp[i+1][j][(m+num)%d] += dp[i][j][m]
                    dp[i+1][j][(m+num)%d] %= mod
            else:
                for num in range(int(k[i])+1):
                    if num != int(k[i]):
                        dp[i+1][1][(m+num)%d] += dp[i][j][m]
                        dp[i+1][1][(m+num)%d] %= mod
                    else:
                        dp[i+1][0][(m+num)%d] += dp[i][j][m]
                        dp[i + 1][0][(m + num) % d] %= mod

print((dp[len(k)][0][0] + dp[len(k)][1][0] - 1) % mod)


Fixed submission:
k = input()
d = int(input())
mod = 10**9 + 7

dp = [[[0] * d for i in range(2)] for j in range(len(k)+1)]
dp[0][0][0] = 1

for i in range(len(k)):
    for j in range(2):
        for m in range(d):
            if j == 1:
                for num in range(10):
                    dp[i+1][j][(m+num)%d] += dp[i][j][m]
                    dp[i+1][j][(m+num)%d] %= mod
            else:
                for num in range(int(k[i])+1):
                    if num != int(k[i]):
                        dp[i+1][1][(m+num)%d] += dp[i][j][m]
                        dp[i+1][1][(m+num)%d] %= mod
                    else:
                        dp[i+1][0][(m+num)%d] += dp[i][j][m]
                        dp[i + 1][0][(m + num) % d] %= mod

print((dp[len(k)][0][0] + dp[len(k)][1][0] - 1) % mod)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = input()

mod = 10**9 + 7

dp = [[0] * n for _ in range(n)]

for more in range(n):
    dp[0][more] = 1

for i in range(n-1):
    if s[i] == "<":
        cum = 0
        for more in reversed(range(n-1-i)):
            cum += dp[i][more+1]
            cum %= mod
            dp[i + 1][more] += cum
            dp[i + 1][more] %= mod
    else:
        cum = 0
        for more in range(n-1-i):
            cum += dp[i][more]
            cum %= mod
            dp[i+1][more] += cum
            dp[i+1][more] %= mod

print(dp[n-1][0])


Fixed submission:
n = int(input())
s = input()

mod = 10**9 + 7

dp = [[0] * n for _ in range(n)]

for more in range(n):
    dp[0][more] = 1

for i in range(n-1):
    if s[i] == "<":
        cum = 0
        for more in reversed(range(n-1-i)):
            cum += dp[i][more+1]
            cum %= mod
            dp[i + 1][more] += cum
            dp[i + 1][more] %= mod
    else:
        cum = 0
        for more in range(n-1-i):
            cum += dp[i][more]
            cum %= mod
            dp[i+1][more] += cum
            dp[i+1][more] %= mod

print(dp[n-1][0])
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = [list(map(int, input().split())) for _ in range(n)]

memo = [0] * (1 << n)
dp = [0] * (1 << n)

def f(s):
    if memo[s]:
        return dp[s]
    memo[s] = 1

    # 集合sを一つのグループとしたときに得られるスコア
    score = 0
    for i in range(n):
        for j in range(i+1, n):
            if ((s >> i) & 1) & ((s >> j) & 1):
                score += a[i][j]

    # sの部分集合でs自身と空集合を除いた集合を列挙(テクニックが存在)
    t = (s-1) & s   # s自身を除く (今回は関係ないがs自身を含む場合は t = s としてあげる)
    while t > 0:
        # 集合t と, 集合sから集合tを除いた集合に分けて、それぞれ再帰的にスコアを求める
        score = max(score, f(t) + f(s ^ t))
        t = (t-1) & s

    dp[s] = score
    return dp[s]

print(f((1 << n) - 1))

Fixed submission:
n = int(input())
a = [list(map(int, input().split())) for _ in range(n)]

memo = [0] * (1 << n)
dp = [0] * (1 << n)

def f(s):
    if memo[s]:
        return dp[s]
    memo[s] = 1

    # 集合sを一つのグループとしたときに得られるスコア
    score = 0
    for i in range(n):
        for j in range(i+1, n):
            if ((s >> i) & 1) & ((s >> j) & 1):
                score += a[i][j]

    # sの部分集合でs自身と空集合を除いた集合を列挙(テクニックが存在)
    t = (s-1) & s   # s自身を除く (今回は関係ないがs自身を含む場合は t = s としてあげる)
    while t > 0:
        # 集合t と, 集合sから集合tを除いた集合に分けて、それぞれ再帰的にスコアを求める
        score = max(score, f(t) + f(s ^ t))
        t = (t-1) & s

    dp[s] = score
    return dp[s]

print(f((1 << n) - 1))
Buggy python submission (verdict: Time Limit Exceeded):
h, w, n = map(int, input().split())
wall = [list(map(int, input().split())) for _ in range(n)]

wall.sort(key=lambda x: x[1])
wall.sort(key=lambda x: x[0])


# combination---

mod = 10**9 + 7
fac = [1, 1]
inv = [1, 1]
finv = [1, 1]
for i in range(2, h+w+1):
    fac.append(fac[i-1] * i % mod)
    inv.append(mod - inv[mod%i] * (mod//i) % mod)
    finv.append(finv[i-1] * inv[i] % mod)

def nck(n, k):
    if n < k:
        return 0
    if n < 0 or k < 0:
        return 0
    return fac[n] * (finv[k] * finv[n-k] % mod) % mod



# dp[i]:= i-1番目までの壁を通らず、i番目の壁にたどり着く経路の数
dp = [0] * n

for i in range(n):
    res = 0    # i-1までの壁を一回以上通って、i回目の壁にたどり着く経路数
    for j in range(i):
        # 最初にぶつかる壁がjで、iの壁に到達する経路数を求めていく
        res += dp[j] * nck(wall[i][0] - wall[j][0] + wall[i][1] - wall[j][1], wall[i][0] - wall[j][0])
        res %= mod
        
    # dp[i] = (i番目の壁までの経路数) - (i-1までの壁を一回以上通って、i回目の壁にたどり着く経路数)
    dp[i] = nck(wall[i][0] - 1 + wall[i][1] - 1, wall[i][0] - 1) - res
    dp[i] %= mod

# 余事象 ((h, w)までに少なくとも1つの壁にぶつかる経路数を数える)
ans = 0
for i in range(n):
    # 最初にぶつかる壁がiで、(h, w)に到達する経路数
    ans += dp[i] * nck(h - wall[i][0] + w - wall[i][1], h - wall[i][0])
    ans %= mod

print((nck(h-1 + w-1, h-1) - ans) % mod)

Fixed submission:
h, w, n = map(int, input().split())
wall = [list(map(int, input().split())) for _ in range(n)]

wall.sort(key=lambda x: x[1])
wall.sort(key=lambda x: x[0])


# combination---

mod = 10**9 + 7
fac = [1, 1]
inv = [1, 1]
finv = [1, 1]
for i in range(2, h+w+1):
    fac.append(fac[i-1] * i % mod)
    inv.append(mod - inv[mod%i] * (mod//i) % mod)
    finv.append(finv[i-1] * inv[i] % mod)

def nck(n, k):
    if n < k:
        return 0
    if n < 0 or k < 0:
        return 0
    return fac[n] * (finv[k] * finv[n-k] % mod) % mod



# dp[i]:= i-1番目までの壁を通らず、i番目の壁にたどり着く経路の数
dp = [0] * n

for i in range(n):
    res = 0    # i-1までの壁を一回以上通って、i回目の壁にたどり着く経路数
    for j in range(i):
        # 最初にぶつかる壁がjで、iの壁に到達する経路数を求めていく
        res += dp[j] * nck(wall[i][0] - wall[j][0] + wall[i][1] - wall[j][1], wall[i][0] - wall[j][0])
        res %= mod
        
    # dp[i] = (i番目の壁までの経路数) - (i-1までの壁を一回以上通って、i回目の壁にたどり着く経路数)
    dp[i] = nck(wall[i][0] - 1 + wall[i][1] - 1, wall[i][0] - 1) - res
    dp[i] %= mod

# 余事象 ((h, w)までに少なくとも1つの壁にぶつかる経路数を数える)
ans = 0
for i in range(n):
    # 最初にぶつかる壁がiで、(h, w)に到達する経路数
    ans += dp[i] * nck(h - wall[i][0] + w - wall[i][1], h - wall[i][0])
    ans %= mod

print((nck(h-1 + w-1, h-1) - ans) % mod)
Buggy python submission (verdict: Runtime Error):
from collections import Counter

n = int(input())
v = list(map(int, input().split()))

list0 = []
list1 = []
for i, a in enumerate(v):
    if i % 2 == 0:
        list0.append(a)
    else:
        list1.append(a)

c0 = Counter(list0)
c1 = Counter(list1)

c0_most_common = c0.most_common(2)
c1_most_common = c1.most_common(2)

if c0_most_common[0][0] != c1_most_common[0][0]:
    print(n - (c0_most_common[0][1] + c1_most_common[0][1]))
else:
    print(min(n - (c0_most_common[0][1] + c1_most_common[1][1]), n - (c0_most_common[1][1] + c1_most_common[0][1])))


Fixed submission:
from collections import Counter

n = int(input())
v = list(map(int, input().split()))

list0 = []
list1 = []
for i, a in enumerate(v):
    if i % 2 == 0:
        list0.append(a)
    else:
        list1.append(a)

c0 = Counter(list0)
c1 = Counter(list1)

c0_most_common = c0.most_common(2)
c1_most_common = c1.most_common(2)

if c0_most_common[0][0] != c1_most_common[0][0]:
    print(n - (c0_most_common[0][1] + c1_most_common[0][1]))
else:
    if len(c0_most_common) >= 2 and len(c1_most_common) >= 2:
        print(min(n - (c0_most_common[0][1] + c1_most_common[1][1]), n - (c0_most_common[1][1] + c1_most_common[0][1])))
    elif len(c0_most_common) == 1 and len(c1_most_common) >= 2:
        print(n - (c0_most_common[0][1]) + c1_most_common[1][1])
    elif len(c1_most_common) == 1 and len(c0_most_common) >= 2:
        print(n - (c1_most_common[0][1]) + c0_most_common[1][1])
    else:
        print(n - (c1_most_common[0][1]))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
x = []
y = []
s = []
for i in range(n):
    X, Y = map(int, input().split())
    x.append(X)
    y.append(Y)
    s.append(abs(X)+abs(Y))

num = (x[0] + y[0]) % 2
flag = 0

for i in range(1, n):
    if (x[i] + y[i]) % 2 != num:
        flag = 1


if flag:
    print(-1)
else:
    m = max(s)
    print(m)

    d = [1 for i in range(m)]
    print(*d)

    for i in range(n):
        dist = m - s[i]
        ans = ""
        while dist > 0:
            ans += "LR"
            dist -= 2
        if x[i] > 0:
            for j in range(x[i]):
                ans += "R"
        if x[i] < 0:
            for j in range(abs(x[i])):
                ans += "L"
        if y[i] > 0:
            for j in range(y[i]):
                ans += "U"
        if y[i] < 0:
            for j in range(abs(y[i])):
                ans += "D"
        print(ans)

Fixed submission:
n = int(input())
ps = [list(map(int, input().split())) for i in range(n)]

prev = None
for x, y in ps:
    mandist = abs(x) + abs(y)
    if prev is not None and mandist % 2 != prev:
        print(-1)
        exit()
    prev = mandist % 2

isodd = mandist % 2
ds = [2 ** i for i in range(31)]
ds = ds[::-1]
if isodd:
    m = 31
else:
    m = 32
    ds += [1]

print(m)
print(*ds)
for x, y in ps:
    px = py = 0
    ans = ""
    for d in ds:
        dx = x - px
        dy = y - py
        if abs(dx) >= abs(dy):
            if dx >= 0:
                ans += "R"
                px += d
            else:
                ans += "L"
                px -= d
        else:
            if dy >= 0:
                ans += "U"
                py += d
            else:
                ans += "D"
                py -= d
    print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N, X = map(int, input().split())
x = list(map(int, input().split()))

y = [x[0]]
for i in range(N-1):
    x[i+1] += x[i]
    y.append(x[i+1])

ans = 10**21
for k in range(1, N+1):
    num = N
    memo = k * X + X * N
    i = 0
    while num > k:
        memo += max(i+3, 5) * (y[num-1] - y[num-1-k])
        num -= k
        i += 2
    memo += max(i+3, 5) * (y[num-1])
    ans = min(ans, memo)

print(ans)

Fixed submission:
N, X = map(int, input().split())
x = list(map(int, input().split()))

y = [x[0]]
for i in range(N-1):
    x[i+1] += x[i]
    y.append(x[i+1])

ans = 10**21
for k in range(1, N+1):
    num = N
    memo = k * X + X * N
    i = 0
    while num > k:
        memo += max(i+3, 5) * (y[num-1] - y[num-1-k])
        num -= k
        i += 2
    memo += max(i+3, 5) * (y[num-1])
    ans = min(ans, memo)

print(ans)
Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())

num = n // k
num2 = n // (k//2) - num

if k % 2 == 0:
    print(num ** 3 + num2 ** 3)
else:
    print(num ** 3)

Fixed submission:
n, k = map(int, input().split())
num = n // k
if k == 1:
    print(num ** 3)
else:
    num2 = n // (k // 2) - num

    if k % 2 == 0:
        print(num ** 3 + num2 ** 3)
    else:
        print(num ** 3)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

ans = 10**10
for a in range(6):
    for b in range(3):
        for c in range(6):
            for d in range(6):
                for e in range(6):
                    for f in range(6):
                        for g in range(2):
                            for h in range(4):
                                for i in range(8):
                                    for k in range(9):
                                        for l in range(9):
                                            for m in range(2):
                                                if 1*a + 6*b + 36*c + 6**3*d + 6**4*e + 6**5*f + 6**6*g + 9*h + 9**2*i + 9**3*k + 9**4*l + 9**5*m == n:
                                                    ans = min(ans, a+b+c+d+e+f+g+h+i+k+l+m)
print(ans)

Fixed submission:
n = int(input())

dp = [10**7 for i in range(n+1)]
dp[0] = 0
for i in range(n+1):
    for j in range(7):
        if i >= 6**j:
            dp[i] = min(dp[i], dp[i-6**j]+1)
    for k in range(6):
        if i >= 9**k:
            dp[i] = min(dp[i], dp[i-9**k]+1)
print(dp[n])
Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(10**9)

n, a, b, k = map(int, input().split())

nmemo = [0 for i in range(n+1)]
def permutation(n):
    if nmemo[n] != 0:
        return nmemo[n]
    if n == 0:
        return 1
    nmemo[n] = n * permutation(n-1)
    return nmemo[n]


memo = []
ans = 0

for i in range(n + 1):
    knum = k - b * i
    if k < 0:
        break
    if knum % a == 0:
        if knum//a + i <= 2 * n:
            memo.append([knum // a, i])

for i in memo:
    nmin = min(i[0], i[1])
    jmin = 0
    if i[0] + i[1] > n:
        jmin = i[0] + i[1] - n
    for j in range(jmin, nmin+1):
        if (i[0] + i[1] - j) <= n:
            ans += permutation(n) // (permutation(i[0] - j) * permutation(i[1] - j)
                                      * permutation(j) * (permutation(n - (i[0] - j + i[1]))))

if k == 0:
    print(1)
else:
    print(ans % 998244353)

Fixed submission:
n = int(input())
ans = 0
for i in range(1, 6):
    if n == 10 ** i:
        ans = 1

if ans == 1:
    print(10)
else:
    num = 0
    for i in range(1, 6):
        num += n % 10
        n = n // 10
    print(num)
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))
b = []

for i in range(n):
    b.append(a[i])

i = 1
j = 0
c = b[0]
ans = n
num = 0

while i < n-1 or j < n-1:
    if b[j] ^ b[i] == b[j] | b[i]:
        c = b[j] | b[i]
        num += 1
        ans += num
        i += 1
    else:
        c -= b[j]
        j += 1

print(ans)


Fixed submission:
n = int(input())
a = list(map(int, input().split()))

i = 1
j = 0
c = a[0]
ans = n
num = 0

while i <= n-1:
    if c ^ a[i] == c + a[i]:
        c = c ^ a[i]
        num += 1
        ans += num
        i += 1
    else:
        c = c & ~a[j]
        j += 1
        num -= 1

print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())
s = [input() for _ in range(n)]

ans = 0
a = 0
for b in range(n):
    flag = 0
    for i in range(n):
        if flag == 1:
            break
        for j in range(n):
            if s[(i+a)%n][(j+b)%n] != s[(j+a)%n][(i+b)%n]:
                flag = 1
                break
    else:
        ans += n

print(ans)

Fixed submission:
n = int(input())
a = list(map(int, input().split()))

b = []
bn = 0
for i in range(n):
    bn += a[i]
    b.append(bn)
b.append(0)

b.sort()
num = []
i = 0
count = 0
for j in range(1, n+1):
    if b[i] == b[j]:
        count += 1
        if j == n:
            num.append(count)
    else:
        i = j
        num.append(count)
        count = 0

ans = 0
for i in num:
    ans += ((i+1) * i // 2)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = [input() for _ in range(n)]

ans = 0
a = 0
for b in range(n):
    flag = 0
    for i in range(n):
        if flag == 1:
            break
        for j in range(n):
            if s[(i+a)%n][(j+b)%n] != s[(j+a)%n][(i+b)%n]:
                flag = 1
                break
    else:
        ans += n

print(ans)

Fixed submission:
n = int(input())
s = [input() for _ in range(n)]

ans = 0
a = 0
for b in range(n):
    flag = 0
    for i in range(n):
        if flag == 1:
            break
        for j in range(n):
            if s[(i+a)%n][(j+b)%n] != s[(j+a)%n][(i+b)%n]:
                flag = 1
                break
    else:
        ans += n

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):

n = int(input())
x = list(map(int, input().split()))

for i in range(n):
    memo = x.pop(i)
    b = sorted(x)
    print(b[int(n/2) - 1])
    x.insert(i, memo)

Fixed submission:
n = int(input())
x = list(map(int, input().split()))
b = sorted(x)
m_left = b[int(n//2) -1]
m_right = b[int(n//2)]

for i in range(n):
    if x[i] <= m_left:
        print(m_right)
    elif x[i] >= m_right:
        print(m_left)

Buggy python submission (verdict: Time Limit Exceeded):

n = int(input())
x = list(map(int, input().split()))
a = []
for i, xi in enumerate(x):
    a.append([i, xi])

for i in range(n):
    memo = a.pop(i)
    b = sorted(a, key=lambda t: t[1])
    print(b[int(n/2) - 1][1])
    b.append(memo)
    a = sorted(b, key=lambda t: t[0])

Fixed submission:
n = int(input())
x = list(map(int, input().split()))
b = sorted(x)
m_left = b[int(n//2) -1]
m_right = b[int(n//2)]

for i in range(n):
    if x[i] <= m_left:
        print(m_right)
    elif x[i] >= m_right:
        print(m_left)
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))
a.sort(reverse=True)
m = a[0]
ans = a[0]
if a[0]%2 == 0:
    b = a[0]//2
    for i in range(n):
        if m >= abs(b-a[i]):
            m = abs(b-a[i])
            ans = a[i]
    print(a[0], ans)

else:
    b = a[0]//2 + 0.5
    for i in a:
        if m >= abs(b-a[i]):
            m = abs(b-a[i])
            ans = a[i]
    print(a[0], ans)


Fixed submission:
n = int(input())
a = list(map(int, input().split()))
a.sort(reverse=True)
m = a[0]
ans = a[0]
if a[0]%2 == 0:
    b = a[0]//2
    for i in range(n):
        if m >= abs(b-a[i]):
            m = abs(b-a[i])
            ans = a[i]
    print(a[0], ans)

else:
    b = a[0]//2 + 0.5
    for i in range(n):
        if m >= abs(b-a[i]):
            m = abs(b-a[i])
            ans = a[i]
    print(a[0], ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())

a = [-1 for i in range(n)]

a[0] = 1
a[1] = 3
a[2] = 2

if n <= 10000:
    for i in range(3, n):
        a[i] = (i-1) * 3
    print(*a)
else:
    if n<20000:
        for i in range(3, 10000):
            a[i] = (i - 1) * 3
        if n % 2 == 0:
            for i in range((n - 10000) // 2):
                a[10000 + 2 * i] = i * 6 + 4
                a[10000 + 2 * i + 1] = i * 6 + 8
        if n % 2 == 1:
            for i in range((n - 10000) // 2):
                a[10000 + 2 * i] = i * 6 + 4
                a[10000 + 2 * i + 1] = i * 6 + 8
            a[10000 + 2 * (((n - 10000) // 2) + 1)] = (((n - 10000) // 2) + 1) * 6 + 4
            a[3] = (((n - 10000) // 2) + 1) * 6 + 8
    else:
        for i in range(3, 10000):
            a[i] = (i - 1) * 3
        if n % 2 == 0:
            for i in range((n - 10000) // 2-1):
                a[10000 + 2 * i] = i * 6 + 4
                a[10000 + 2 * i + 1] = i * 6 + 8
            a[n-2] = 5
            a[n-1] = 7
    print(*a)

Fixed submission:
n = int(input())

if n == 3:
    print(2, 5, 63)
elif n == 4:
    print(2, 5, 20, 63)
elif n == 5:
    print(2, 5, 20, 30, 63)
else:
    a = []
    count = 0
    for i in range(2, 30001):
        if i % 2 == 0 or i % 3 == 0:
            a.append(i)
            count += 1
        if count == n:
            break
    sum_a = sum(a)
    if sum_a % 6 == 0:
        print(*a)
    elif sum_a % 6 == 2:
        a[4] = 30000
        print(*a)
    elif sum_a % 6 == 3:
        a[5] = 30000
        print(*a)
    else:
        a[5] = 29998
        print(*a)
Buggy python submission (verdict: Runtime Error):
a, b = list(map(int, input().split()))

count = 0
for i in range(10):
    for j in range(10):
        for k in range(1, 10):
            num = i * 100 + j * 1010 + k * 10001
            if num >= a and num <= b:
                count += 1

print(count)

Fixed submission:
c = []

for i in range(3):
    a = input()
    c.append(a[i])


print(c[0]+c[1]+c[2])
Buggy python submission (verdict: Runtime Error):
n = int(input())

s = input().split()
color = "Three"

for i in s:
    if i == "Y":
        color = "Four"
        break
print(color)

Fixed submission:
n = int(input())

count = 0

if n <= 2:
    print(count)
else:
    while n >= 3:
        n -= 3
        count += 1
    print(count)
Buggy python submission (verdict: Time Limit Exceeded):
h, w, d = input().split()
h = int(h)
w = int(w)
d = int(d)

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

q = int(input())
l = []
r = []
for j in range(q):
    L, R = list(map(int, input().split()))
    l.append(L)
    r.append(R)

magic = 0

def search(word):
    for i in range(w):
        for j in range(h):
            if a[j][i] == word:
                return j+1, i+1




for k in range(q):
    x = 0
    y = 0
    magic = 0
    while True:
        if l[k] == r[k]:
            break
        else:
            if x != 0:
                i, j = x, y
            else:
                i, j = search(l[k])
            l[k] += d
            x, y = search(l[k])

            magic += abs(x-i)+abs(y-j)
    print(magic)

Fixed submission:
h, w, d = map(int, input().split())
a = [list(map(int, input().split())) for i in range(h)]

memo = [[] for i in range(h*w)]
for i in range(h):
    for j in range(w):
        memo[a[i][j]-1].append((i, j))

cost = [0 for i in range(h*w)]
for t in range(d, h*w):
    i, j = memo[t-d][0]
    x, y = memo[t][0]
    cost[t] = abs(x-i) + abs(y-j)
for s in range(d):
    for i in range(s, h*w-d, d):
        cost[i+d] += cost[i]

q = int(input())
for i in range(q):
    l, r = map(int, input().split())
    print(cost[r-1]-cost[l-1])
Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque
n, m = map(int, input().split())
graph = [[] for i in range(n)]
for i in range(m):
    l, r, d = map(int, input().split())
    graph[l-1].append((r-1, d))
    graph[r-1].append((l-1, -d))

for i in range(n):
    x = [-1 for i in range(n)]
    if x[i] == -1:
        x[i] = 0
        q = deque([i])
        while q:
            s = q.popleft()
            for node, dist in graph[s]:
                if x[node] == -1:
                    q.append(node)
                    x[node] = x[s] + dist
                elif x[node] != x[s] + dist:
                    print("No")
                    exit()
print("Yes")

Fixed submission:
from collections import deque

n, m = map(int, input().split())
graph = [[] for i in range(n)]
for i in range(m):
    l, r, d = list(map(int, input().split()))
    graph[l-1].append([r-1, d])
    graph[r-1].append([l-1, -d])

x = [None for i in range(n)]

def f():
    for i in range(n):
        if x[i] == None:
            x[i] = 0
            q = deque([i])
            while len(q):
                j = q.popleft()
                for k, d in graph[j]:
                    if x[k] == None:
                        q.append(k)
                        x[k] = x[j] + d
                    elif x[k] != x[j] + d:
                        return False
    return True

if f():
    print("Yes")
else:
    print("No")