Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
def dfs(v, indirectly_connected, matrix, n, depth):
    if 2 <= depth:
        indirectly_connected[v] = True
    for i in range(n):
        if indirectly_connected[i]:
            continue
        if matrix[v][i] or matrix[i][v]:
            dfs(i, indirectly_connected, matrix, n, (depth + 1))


n, m, k = map(int, input().split())
ab = [tuple(map(lambda x: int(x) - 1, input().split())) for _ in range(m)]
cd = [tuple(map(lambda x: int(x) - 1, input().split())) for _ in range(k)]
f_mat = [[False] * n for _ in range(n)]
b_mat = [[False] * n for _ in range(n)]
ans = []

for a, b in ab:
    for i in range(n):
        for j in range(n):
            f_mat[a][b] = True
            f_mat[b][a] = True
for c, d in cd:
    for i in range(n):
        for j in range(n):
            b_mat[c][d] = True
            b_mat[d][c] = True
for i in range(n):
    indirectly_connected = [False] * n
    dfs(i, indirectly_connected, f_mat, n, 0)
    tmp = 0
    for j in range(n):
        if (i != j) and \
          ((not f_mat[i][j]) and (not f_mat[j][i])) and \
          ((not b_mat[i][j]) and (not b_mat[j][i])) and \
          indirectly_connected[j]:
            tmp += 1
    ans.append(tmp)
print(" ".join(map(str, ans)))


Fixed submission:
class UnionFindTrees:
    def __init__(self, n):
        self.parent = [-1] * n

    def find_root(self, x):
        p = self.parent
        while (0 <= p[x]):
            x, p[x] = p[x], p[p[x]]
        return x

    def unite(self, x, y):
        x_root = self.find_root(x)
        y_root = self.find_root(y)
        p = self.parent
        if (x_root == y_root):
            return
        if p[x_root] > p[y_root]:
            x_root, y_root = y_root, x_root
        # root の parent は -size になるようにする
        p[x_root], p[y_root] = (p[x_root] + p[y_root]), x_root

    def size(self, x):
        return -self.parent[self.find_root(x)]

    def is_same_set(self, x, y):
        return self.find_root(x) == self.find_root(y)


n, m, k = map(int, input().split())
ab = [tuple(map(lambda x: int(x) - 1, input().split())) for _ in range(m)]
cd = [tuple(map(lambda x: int(x) - 1, input().split())) for _ in range(k)]
friend_trees = UnionFindTrees(n)
friend_or_block_cnts = [0] * n

for a, b in ab:
    friend_trees.unite(a, b)
    friend_or_block_cnts[a] += 1
    friend_or_block_cnts[b] += 1
for c, d in cd:
    if friend_trees.is_same_set(c, d):
        friend_or_block_cnts[c] += 1
        friend_or_block_cnts[d] += 1

print(*[(friend_trees.size(i) - friend_or_block_cnts[i] - 1) for i in range(n)])
Buggy python submission (verdict: Runtime Error):
print("".join(map(lambda x: "x", list(input().strip()))


Fixed submission:
print("".join(map(lambda x: "x", list(input().strip()))))
Buggy python submission (verdict: Runtime Error):
n, m = list(map(int, input().split()))
ps = []
for i in range(m):
    tmp = input().split()
    ps.append([int(tmp[0]), tmp[1]])

ac = [False] * n
wa = [0] * n
for i in range(m):
    if not ac[ps[i][0]]:
        if ps[i][1] == "WA":
            wa[ps[i][0]] += 1
        elif ps[i][1] == "AC":
            ac[ps[i][0]] = True

print(str(ac.count(True)) + " " + str(sum(wa)))


Fixed submission:
n, m = list(map(int, input().split()))
ps = []
for i in range(m):
    tmp = input().split()
    ps.append([int(tmp[0]), tmp[1]])

ac = [False] * (n + 1)
wa = [0] * (n + 1)
for i in range(m):
    if not ac[ps[i][0]]:
        if ps[i][1] == "WA":
            wa[ps[i][0]] += 1
        elif ps[i][1] == "AC":
            ac[ps[i][0]] = True
wa_sum = 0
for i in range(n + 1):
    if ac[i]:
        wa_sum += wa[i]
print(str(ac.count(True)) + " " + str(wa_sum))
Buggy python submission (verdict: Runtime Error):
import bisect as b
import math

n, m = list(map(int, input().split()))
a = sorted(list(map(int, input().split())))

for _ in range(m):
    half = a.pop(-1) / 2
    a.insert(b.bisect_left(a, half), half)

print(sum(list(map(lambda x: math.floor(x), a))))


Fixed submission:
s = input().strip()

if (s == 'Sunny'):
    print('Cloudy')
elif (s == 'Cloudy'):
    print('Rainy')
else:
    print('Sunny')
Buggy python submission (verdict: Time Limit Exceeded):
import bisect as b
import math

n, m = list(map(int, input().split()))
a = sorted(list(map(int, input().split())))

for _ in range(m):
    half = a.pop(-1) / 2
    a.insert(b.bisect_left(a, half), half)

print(sum(list(map(lambda x: math.floor(x), a))))


Fixed submission:
import heapq
import math

n, m = list(map(int, input().split()))
a = list(map(lambda x: int(x) * (-1), input().split()))
heapq.heapify(a)

for _ in range(m):
    heapq.heappush(a, math.ceil(heapq.heappop(a) / 2))

print(-sum(a))

Buggy python submission (verdict: Time Limit Exceeded):
import bisect as b
import math

n, m = list(map(int, input().split()))
a = sorted(list(map(int, input().split())))

for _ in range(m):
    half = a.pop(-1) / 2
    a.insert(b.bisect_left(a, half), half)

print(sum(list(map(lambda x: math.floor(x), a))))


Fixed submission:
import heapq
import math

n, m = list(map(int, input().split()))
a = list(map(lambda x: int(x) * (-1), input().split()))
heapq.heapify(a)

for _ in range(m):
    heapq.heappush(a, math.ceil(heapq.heappop(a) / 2))

print(-sum(a))
Buggy python submission (verdict: Runtime Error):
import math

a, b, c, d = list(map(int, input().split()))
lcm = math.floor((c * d) / math.gcd(c, d))

b_c_cnt = math.floor(b / c)
b_d_cnt = math.floor(b / d)
b_lcm_cnt = math.floor(b / lcm)

b_cnt = b - (b_c_cnt + b_d_cnt) + b_lcm_cnt

a_c_cnt = math.floor(a / c)
a_d_cnt = math.floor(a / d)
a_lcm_cnt = math.floor(a / lcm)

a_cnt = a - (a_c_cnt + a_d_cnt) + a_lcm_cnt

if (a % c != 0 and a % d != 0):
    print(b_cnt - a_cnt + 1)
else:
    print(b_cnt - a_cnt)


Fixed submission:
def gcd(a, b):
    if (a == 0):
        return b
    elif (b == 0):
        return a
    elif (a == b):
        return a
    elif (a < b):
        return gcd(a, (b % a))
    else:
        return gcd(b, (a % b))


a, b, c, d = list(map(int, input().split()))
lcm = (c * d) // gcd(c, d)

b_c_cnt = b // c
b_d_cnt = b // d
b_lcm_cnt = b // lcm

b_cnt = b - (b_c_cnt + b_d_cnt) + b_lcm_cnt

a_c_cnt = a // c
a_d_cnt = a // d
a_lcm_cnt = a // lcm

a_cnt = a - (a_c_cnt + a_d_cnt) + a_lcm_cnt

if (a % c != 0 and a % d != 0):
    print(b_cnt - a_cnt + 1)
else:
    print(b_cnt - a_cnt)

Buggy python submission (verdict: Runtime Error):
import math

a, b, c, d = list(map(int, input().split()))
lcm = (c * d) // math.gcd(c, d)

b_c_cnt = b // c
b_d_cnt = b // d
b_lcm_cnt = b // lcm

b_cnt = b - (b_c_cnt + b_d_cnt) + b_lcm_cnt

a_c_cnt = a // c
a_d_cnt = a // d
a_lcm_cnt = a // lcm

a_cnt = a - (a_c_cnt + a_d_cnt) + a_lcm_cnt

if (a % c != 0 and a % d != 0):
    print(b_cnt - a_cnt + 1)
else:
    print(b_cnt - a_cnt)


Fixed submission:
def gcd(a, b):
    if (a == 0):
        return b
    elif (b == 0):
        return a
    elif (a == b):
        return a
    elif (a < b):
        return gcd(a, (b % a))
    else:
        return gcd(b, (a % b))


a, b, c, d = list(map(int, input().split()))
lcm = (c * d) // gcd(c, d)

b_c_cnt = b // c
b_d_cnt = b // d
b_lcm_cnt = b // lcm

b_cnt = b - (b_c_cnt + b_d_cnt) + b_lcm_cnt

a_c_cnt = a // c
a_d_cnt = a // d
a_lcm_cnt = a // lcm

a_cnt = a - (a_c_cnt + a_d_cnt) + a_lcm_cnt

if (a % c != 0 and a % d != 0):
    print(b_cnt - a_cnt + 1)
else:
    print(b_cnt - a_cnt)

Buggy python submission (verdict: Runtime Error):
import math

a, b, c, d = list(map(int, input().split()))
lcm = (c * d) // math.gcd(c, d)

b_c_cnt = b // c
b_d_cnt = b // d
b_lcm_cnt = b // lcm

b_cnt = b - (b_c_cnt + b_d_cnt) + b_lcm_cnt

a_c_cnt = a // c
a_d_cnt = a // d
a_lcm_cnt = a // lcm

a_cnt = a - (a_c_cnt + a_d_cnt) + a_lcm_cnt

if (a % c != 0 and a % d != 0):
    print(b_cnt - a_cnt + 1)
else:
    print(b_cnt - a_cnt)


Fixed submission:
def gcd(a, b):
    if (a == 0):
        return b
    elif (b == 0):
        return a
    elif (a == b):
        return a
    elif (a < b):
        return gcd(a, (b % a))
    else:
        return gcd(b, (a % b))


a, b, c, d = list(map(int, input().split()))
lcm = (c * d) // gcd(c, d)

b_c_cnt = b // c
b_d_cnt = b // d
b_lcm_cnt = b // lcm

b_cnt = b - (b_c_cnt + b_d_cnt) + b_lcm_cnt

a_c_cnt = a // c
a_d_cnt = a // d
a_lcm_cnt = a // lcm

a_cnt = a - (a_c_cnt + a_d_cnt) + a_lcm_cnt

if (a % c != 0 and a % d != 0):
    print(b_cnt - a_cnt + 1)
else:
    print(b_cnt - a_cnt)
Buggy python submission (verdict: Runtime Error):
n, m = list(map(int, input().split()))
a = []

for i in range(m):
    a.append(int(input().strip()))

broken = [False] * (n + 1)

for i in range(m):
    broken[a[i]] = True

dp = []
dp.append(1)

if (broken[1]):
    dp.append(0)
else:
    dp.append(1)

for i in range(2, n + 1, 1):
    if (broken[i]):
        dp.append(0)
    else:
        dp.append((dp[i - 1] + dp[i - 2]) % 1_000_000_007)

print(dp[n])


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

for i in range(m):
    a.append(int(input().strip()))

broken = [False] * (n + 1)

for i in range(m):
    broken[a[i]] = True

dp = []
dp.append(1)

if (broken[1]):
    dp.append(0)
else:
    dp.append(1)

for i in range(2, n + 1, 1):
    if (broken[i]):
        dp.append(0)
    else:
        dp.append((dp[i - 1] + dp[i - 2]) % 1000000007)

print(dp[n])
Buggy python submission (verdict: Runtime Error):
rom itertools import product
 
n, m = map(int, input().split())
k = []
s = []
for i in range(m):
    tmp = list(map(int, input().split()))
    k.append(tmp[0])
    s.append(tmp[1:])
p = list(map(int, input().split()))
 
ans = 2 ** n
for prod in (product([0, 1], repeat=n)):
    for i in range(m):
        tmp = 0
        for j in s[i]:
            tmp += prod[j - 1]
        if (tmp % 2 != p[i]):
            ans -= 1
            break
print(ans)

Fixed submission:
from itertools import product
 
n, m = map(int, input().split())
k = []
s = []
for i in range(m):
    tmp = list(map(int, input().split()))
    k.append(tmp[0])
    s.append(tmp[1:])
p = list(map(int, input().split()))
 
ans = 2 ** n
for prod in (product([0, 1], repeat=n)):
    for i in range(m):
        tmp = 0
        for j in s[i]:
            tmp += prod[j - 1]
        if (tmp % 2 != p[i]):
            ans -= 1
            break
print(ans)
Buggy python submission (verdict: Runtime Error):
import copy
import fractions as f


n = int(input())
a = list(map(int, input().split()))
a = list(set(a))
b = copy.deepcopy(a)
ans = 1
min_a = min(a)

if (2 <= b.count(min_a):
    a.append(min_a)

for e in b:
    if (len(a) == 1):
        ans = a[0]
    elif (len(a) == 2):
        ans = max(a[0], a[1])
    else:
        a.remove(e)
        rep = a[0]

        for elem in a:
            rep = f.gcd(rep, elem)

        if (ans < rep):
            ans = rep

        a.append(e)

print(ans)


Fixed submission:
a, b, t = list(map(int, input().split()))
print(int(((t + 0.5) // a) * b))
Buggy python submission (verdict: Time Limit Exceeded):
import copy
import fractions as f


n = int(input())
a = list(map(int, input().split()))
b = copy.deepcopy(a)
ans = 1

for e in b:
    if (len(a) == 1):
        ans = a[0]
    elif (len(a) == 2):
        ans = max(a[0], a[1])
    else:
        a.remove(e)
        rep = a[0]

        for elem in a:
            rep = f.gcd(rep, elem)

        if (ans < rep):
            ans = rep

        a.append(e)

print(ans)


Fixed submission:
from fractions import gcd

n = int(input())
a = list(map(int, input().split()))
left = [0] * (n + 1)
right = [0] * (n + 1)
middle = [0] * (n + 1)

for i in range(0, n - 1):
    left[i + 1] = gcd(left[i], a[i])

for i in range(n - 1, 0, -1):
    right[i] = gcd(right[i + 1], a[i])

for i in range(n):
    middle[i] = gcd(left[i], right[i + 1])

print(max(middle))

Buggy python submission (verdict: Runtime Error):
def gcd(a, b):
    if (a == b):
        return a
    elif (a == 0):
        return b
    elif (b == 0):
        return a
    elif (a < b):
        return gcd(a, b - a)
    elif (b < a):
        return gcd(b, a - b)


n = int(input())
a = list(map(int, input().split()))
a = list(set(a))
ans = 0

for e in a:
    if (len(a) <= 2):
        ans = a[0]
    else:
        a.remove(e)
        rep = a[0]

        for elem in a:
            rep = gcd(rep, elem)

        if (ans < rep):
            ans = rep

        a.append(e)

print(ans)


Fixed submission:
from fractions import gcd

n = int(input())
a = list(map(int, input().split()))
left = [0] * (n + 1)
right = [0] * (n + 1)
middle = [0] * (n + 1)

for i in range(0, n - 1):
    left[i + 1] = gcd(left[i], a[i])

for i in range(n - 1, 0, -1):
    right[i] = gcd(right[i + 1], a[i])

for i in range(n):
    middle[i] = gcd(left[i], right[i + 1])

print(max(middle))

Buggy python submission (verdict: Runtime Error):
def gcd(a, b):
    if (a == b):
        return a
    elif (a == 0):
        return b
    elif (b == 0):
        return a
    elif (a < b):
        return gcd(a, b - a)
    elif (b < a):
        return gcd(b, a - b)


n = int(input())
a = list(map(int, input().split()))
a = list(set(a))
ans = 0

for e in a:
    if (len(a) <= 2):
        ans = a[0]
    else:
        rep = 0
        a.remove(e)

        for i in range((len(a) - 1)):
            rep = gcd(a[i + 1], a[i])
            if (rep <= ans):
                break
            else:
                ans = rep

        a.append(e)

print(ans)


Fixed submission:
from fractions import gcd

n = int(input())
a = list(map(int, input().split()))
left = [0] * (n + 1)
right = [0] * (n + 1)
middle = [0] * (n + 1)

for i in range(0, n - 1):
    left[i + 1] = gcd(left[i], a[i])

for i in range(n - 1, 0, -1):
    right[i] = gcd(right[i + 1], a[i])

for i in range(n):
    middle[i] = gcd(left[i], right[i + 1])

print(max(middle))
Buggy python submission (verdict: Runtime Error):
import math

a = int(input())
b = int(input())
c = int(input())
d = int(input())
e = int(input())

li = [a, b, c, d, e]
idx = sorted([*map(lambda x: [x, x[1] + 10] if x[1] == 0 else x, [[0, (a % 10)], [1, (b % 10)], [2, (c % 10)], [3, (d % 10)], [4, (\
e % 10)]])], key=lambda x: x[1])[0][0]
print(sum(map(lambda x: li[x] if x == idx else math.ceil(li[x] * 0.1) * 10, [0, 1, 2, 3, 4])))


Fixed submission:
import math

a = int(input())
b = int(input())
c = int(input())
d = int(input())
e = int(input())

li = [a, b, c, d, e]

idx = sorted(list(map(lambda x: [x, x[1] + 10] if x[1] == 0 else x, [[0, (a % 10)], [1, (b % 10)], [2, (c % 10)], [3, (d % 10)], [4, (e % 10)]])), key=lambda x: x[1])[0][0]
print(sum(map(lambda x: li[x] if x == idx else math.ceil(li[x] * 0.1) * 10, [0, 1, 2, 3, 4])))
Buggy python submission (verdict: Runtime Error):
n = int(input().strip())
a = list(map(int, input().split()))
b = [(a[i] - (i + 1)) for i in range(n)]
b.sort()
mid = 0
if n % 2 == 1:
    mid = b[(n - 1) // 2 + 1]
else:
    mid = (b[(n - 1) // 2] + b[(n - 1) // 2]) // 2

ans = 0
for i in range(n):
    ans += abs(b[i] - mid)
print(ans)


Fixed submission:
n = int(input().strip())
a = list(map(int, input().split()))
b = [(a[i] - (i + 1)) for i in range(n)]
b.sort()
mid = b[n // 2]
ans = 0
for i in range(n):
    ans += abs(b[i] - mid)
print(ans)

Buggy python submission (verdict: Runtime Error):
n = int(input().strip())
a = list(map(int, input().split()))
b = [a[i] - (i + 1) for i in range(n)]
b.sort()
mid = b[n // 2]
ans = 0
for i in range(n):
    ans += abs(b - mid)
print(ans)


Fixed submission:
n = int(input().strip())
a = list(map(int, input().split()))
b = [(a[i] - (i + 1)) for i in range(n)]
b.sort()
mid = b[n // 2]
ans = 0
for i in range(n):
    ans += abs(b[i] - mid)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
from itertools import combinations

n, m = map(int, input().split())
xyz = [list(map(int, input().split())) for _ in range(n)]
ans = 0

for elem in combinations(xyz, m):
    x = abs(sum([e[0] for e in elem]))
    y = abs(sum([e[1] for e in elem]))
    z = abs(sum([e[2] for e in elem]))
    ans = max(ans, x + y + z)
print(ans)


Fixed submission:
from itertools import product

n, m = map(int, input().split())
xyz = [list(map(int, input().split())) for _ in range(n)]
ans = 0

for e in product([1, -1], [1, -1], [1, -1]):
    xyz.sort(key=lambda v: (v[0] * e[0]) + (v[1] * e[1]) + (v[2] * e[2]))
    tmp = xyz[:m]
    ans = max(ans, abs(sum([e[0] for e in tmp])) + abs(sum([e[1] for e in tmp])) + abs(sum([e[2] for e in tmp])))
print(ans)

Buggy python submission (verdict: Runtime Error):
n, m = map(int, input().split())
xyz = [list(map(int, input().split())) for _ in range(n)]
ans = 0

for elem in combinations(xyz, m):
    x = abs(sum([e[0] for e in elem]))
    y = abs(sum([e[1] for e in elem]))
    z = abs(sum([e[2] for e in elem]))
    ans = max(ans, x + y + z)
print(ans)


Fixed submission:
from itertools import product

n, m = map(int, input().split())
xyz = [list(map(int, input().split())) for _ in range(n)]
ans = 0

for e in product([1, -1], [1, -1], [1, -1]):
    xyz.sort(key=lambda v: (v[0] * e[0]) + (v[1] * e[1]) + (v[2] * e[2]))
    tmp = xyz[:m]
    ans = max(ans, abs(sum([e[0] for e in tmp])) + abs(sum([e[1] for e in tmp])) + abs(sum([e[2] for e in tmp])))
print(ans)
Buggy python submission (verdict: Runtime Error):
if boundary_value <= (min_value + max_value):
    if boundary_value <= min_value:
        print(boundary_value * max(x, y))
    elif (a == max_value and y <= x) or (b == max_value and x <= y):
        print(boundary_value * max(x, y))
    else:
        print(boundary_value * (max(x, y) - abs(x - y)) +
              min_value * abs(x - y))
elif (min_value + max_value) < boundary_value:
    print(a * x + b * y)


Fixed submission:
INF = 10 ** 9
a, b, c, x, y = map(int, input().split())

ans = INF
for i in range(10 ** 5 + 1):
    ans = min(ans, i * 2 * c + max((x - i), 0) * a + max((y - i), 0) * b)
print(ans)

Buggy python submission (verdict: Runtime Error):
a, b, c, x, y = map(int, input().split())
big = max(a, b)
small = min(a, b)
small_many = False
if (small == a and y <= x) or (small == b and x <= y):
    small_many = True
if big <= c:
    print(x * a + y * b)
elif small <= c < big:
    if ((big + small) <= 2 * c):
        print(x * a + y * b)
    else:
        if small_many:
            print(2 * c * min(x, y) + small * (max(x, y) - (min(x, y))))
        else:
            print(2 * c * max(x, y))
else:
    if small_many:
        print(2 * c * min(x, y) + small * (max(x, y) - (min(x, y))))
    else:
        print(min(2 * c * max(x, y)))


Fixed submission:
INF = 10 ** 9
a, b, c, x, y = map(int, input().split())

ans = INF
for i in range(10 ** 5 + 1):
    ans = min(ans, i * 2 * c + max((x - i), 0) * a + max((y - i), 0) * b)
print(ans)
Buggy python submission (verdict: Runtime Error):
from itertools import permutations as perm

n, m, r = map(int, input().split())
r = list(map(lambda x: int(x) - 1, input().split()))
d = [[10 ** 5] * m for _ in range(m)]
for i in range(m):
    abc = tuple(map(int, input().split()))
    a = abc[0] - 1
    b = abc[1] - 1
    c = abc[2]
    d[a][b] = c
    d[b][a] = c
for k in range(m):
    for i in range(m):
        for j in range(m):
            d[i][j] = min(d[i][j], d[i][k] + d[k][j])
            d[j][i] = min(d[j][i], d[i][k] + d[k][j])

ans = 8 * (10 ** 5)
for arr in perm(r, len(r)):
    rep = 0
    for i in range(len(arr) - 1):
        rep += d[arr[i]][arr[i + 1]]
    ans = min(ans, rep)
print(ans)


Fixed submission:
from itertools import permutations as perm

n, m, r = map(int, input().split())
r = list(map(lambda x: int(x) - 1, input().split()))
d = [[10 ** 9] * n for _ in range(n)]
for i in range(m):
    abc = tuple(map(int, input().split()))
    a = abc[0] - 1
    b = abc[1] - 1
    c = abc[2]
    d[a][b] = c
    d[b][a] = c
for k in range(n):
    for i in range(n):
        for j in range(n):
            d[i][j] = min(d[i][j], d[i][k] + d[k][j])
            d[j][i] = d[i][j]

ans = 10 ** 9
for arr in perm(r):
    rep = 0
    for i in range(len(arr) - 1):
        rep += d[arr[i]][arr[i + 1]]
    ans = min(ans, rep)
print(ans)
Buggy python submission (verdict: Runtime Error):
s = input().strip()
chars = list(set(s))
chars.sort()
dic = {"a": 0,
       "b": 1,
       "c": 2,
       "d": 3,
       "e": 4,
       "f": 5,
       "g": 6,
       "h": 7,
       "i": 8,
       "j": 9,
       "k": 10,
       "l": 11,
       "m": 12,
       "n": 13,
       "o": 14,
       "p": 15,
       "q": 16,
       "r": 17,
       "s": 18,
       "t": 19,
       "u": 20,
       "v": 21,
       "w": 22,
       "x": 23,
       "y": 24,
       "z": 25
       }
swap = {v: k for k, v in dic.items()}
ans = "None"
count = 0
for c in chars:
    if dic[c] != count:
        ans = swap[count]
        break
    count += 1
if count != 25:
    print(swap[count])
else:
    print(ans)


Fixed submission:
s = input().strip()
chars = list(set(s))
chars.sort()
dic = {"a": 0,
       "b": 1,
       "c": 2,
       "d": 3,
       "e": 4,
       "f": 5,
       "g": 6,
       "h": 7,
       "i": 8,
       "j": 9,
       "k": 10,
       "l": 11,
       "m": 12,
       "n": 13,
       "o": 14,
       "p": 15,
       "q": 16,
       "r": 17,
       "s": 18,
       "t": 19,
       "u": 20,
       "v": 21,
       "w": 22,
       "x": 23,
       "y": 24,
       "z": 25
       }
swap = {v: k for k, v in dic.items()}
ans = "None"
count = 0
for c in chars:
    if dic[c] != count:
        ans = swap[count]
        break
    count += 1
if count <= 25:
    print(swap[count])
else:
    print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input().strip())
a = [int(input().strip()) for _ in range(n)]
visited = [False] * n
visited[0] = True
now = 0
ans = 0
while True:
    now = a[now] - 1
    ans += 1
    if now == 1:
        print(ans)
        exit()
    elif visited[now]:
        print(-1)
        exit()


Fixed submission:
n = int(input().strip())
a = [int(input().strip()) for _ in range(n)]
visited = [False] * n
visited[0] = True
now = 0
ans = 0
while True:
    now = a[now] - 1
    ans += 1
    if now == 1:
        print(ans)
        exit()
    elif visited[now]:
        print(-1)
        exit()
    visited[now] = True
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = [*map(int, input().split())]
a.sort()
ans = 0
for i in range(n - 1):
    ans += a[i + 1] - a[i]
print(ans)


Fixed submission:
n = int(input())
a = list(map(int, input().split()))
a.sort()
ans = 0
for i in range(n - 1):
    ans += a[i + 1] - a[i]
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
from itertools import product as prod

n = int(input().strip())
s = [int(input()) for _ in range(n)]
ans = 0
for elem in (prod([0, 1], repeat=n)):
    rep = 0
    for i in range(n):
        if elem[i]:
            rep += s[i]
    if rep % 10 == 0:
        rep = 0
    ans = max(ans, rep)
print(ans)


Fixed submission:
n = int(input().strip())
s = [int(input()) for _ in range(n)]
s.sort()
su = sum(s)
if su % 10 == 0:
    for elem in s:
        if (su - elem) % 10 != 0:
            print(su - elem)
            exit()
    print(0)
else:
    print(su)

Buggy python submission (verdict: Runtime Error):
from itertools import product as prod

n = int(input().strip())
s = [int(input()) for _ in range(n)]
ans = 0
for elem in (prod([0, 1], repeat=10)):
    rep = 0
    for i in range(n):
        if elem[i]:
            rep += s[i]
    if rep % 10 == 0:
        rep = 0
    ans = max(ans, rep)
print(ans)


Fixed submission:
n = int(input().strip())
s = [int(input()) for _ in range(n)]
s.sort()
su = sum(s)
if su % 10 == 0:
    for elem in s:
        if (su - elem) % 10 != 0:
            print(su - elem)
            exit()
    print(0)
else:
    print(su)