Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]


def make_divisor_list(num):
    if num < 1:
        return []
    elif num == 1:
        return [1]
    else:
        divisor_list = []
        divisor_list.append(1)
        for i in range(2, num // 2 + 1):
            if num % i == 0:
                divisor_list.append(i)
        divisor_list.append(num)

        return divisor_list


n,m = ai()
d = make_divisor_list(m)
d = d[::-1]
for k in d:
    if m/k == m//k and m//k >= n:
        print(k)
        exit()
print(1)

Fixed submission:
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]


def make_divisor_list(num):
    if num < 1:
        return []
    elif num == 1:
        return [1]
    else:
        divisor_list = []
        divisor_list.append(1)
        for i in range(1, 100):
            if num % i == 0:
                divisor_list.append(i)
                divisor_list.append(num//i)
        for i in range(2, num // 100 + 1):
            if num % i == 0:
                divisor_list.append(i)
        divisor_list.append(num)

        return sorted(divisor_list)


n,m = ai()
d = make_divisor_list(m)
d = d[::-1]
for k in d:
    if m/k == m//k and m//k >= n:
        print(k)
        exit()
print(1)

Buggy python submission (verdict: Time Limit Exceeded):
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]


n,m = ai()

for k in range(m,0,-1):
    if m/k == m//k and m//k >= n:
        print(k)
        exit()
print(1)

Fixed submission:
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]


def make_divisor_list(num):
    if num < 1:
        return []
    elif num == 1:
        return [1]
    else:
        divisor_list = []
        divisor_list.append(1)
        for i in range(1, 100):
            if num % i == 0:
                divisor_list.append(i)
                divisor_list.append(num//i)
        for i in range(2, num // 100 + 1):
            if num % i == 0:
                divisor_list.append(i)
        divisor_list.append(num)

        return sorted(divisor_list)


n,m = ai()
d = make_divisor_list(m)
d = d[::-1]
for k in d:
    if m/k == m//k and m//k >= n:
        print(k)
        exit()
print(1)
Buggy python submission (verdict: Runtime Error):
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]

n = int(input())
a = ai()
if all(i == a[0] for i in a):
    print(n//2)
    exit()

a1 = a[::2]
a2 = a[1::2]

from collections import Counter
c1 = Counter(a1)
c2 = Counter(a2)
m1 = c1.most_common(2)
m2 = c2.most_common(2)
if m1[0][0] == m2[0][0]:
    if len(c1) == 1:
        print(n-m1[0][1]-m2[1][1])
    elif len(c2) == 1:
        print(n - m1[0][1] - m2[1][1])
    else:
        print(min(n-m1[0][1]-m2[1][1], n-m1[1][1]-m2[0][1]))
else:
    print(n-m1[0

Fixed submission:
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]

n = int(input())
a = ai()
if all(i == a[0] for i in a):
    print(n//2)
    exit()

a1 = a[::2]
a2 = a[1::2]

from collections import Counter
c1 = Counter(a1)
c2 = Counter(a2)
m1 = c1.most_common(2)
m2 = c2.most_common(2)
if m1[0][0] == m2[0][0]:
    if len(c1) == 1:
        print(n-m1[0][1]-m2[1][1])
    elif len(c2) == 1:
        print(n - m1[0][1] - m2[1][1])
    else:
        print(min(n-m1[0][1]-m2[1][1], n-m1[1][1]-m2[0][1]))
else:
    print(n-m1[0][1] - m2[0][1])
Buggy python submission (verdict: Runtime Error):
f = lambda: map(int,input().split())
import math
n, X = f()
x = list(f())
ans = abs(x[0]-X)

for i in range(1,n):
    ans = math.gcd(ans,x[i]-X)
print(ans)

Fixed submission:
f = lambda: map(int,input().split())


def gcd(a, b):
    while b:
        a, b = b, a % b
    return a


n, X = f()
x = list(f())
ans = x[0]-X

for i in range(1,n):
    ans = gcd(ans,x[i]-X)
print(abs(ans))
Buggy python submission (verdict: Runtime Error):
f = lambda: map(int,input().split())
h,w = f()
a = [list(f()) for _ in range(h)]
for i in range(h):
    if i%2 == 0:
        a[i].reverse()

for i in range(h):
    for j in range(w):
        if i == w-1 and j == h-1:
            break
        if i&1:
            if a[i][j]&1:
                if j == w-1:
                    print(i+1,w,i+2,w)
                    a[i+1][0] += 1
                else:
                    print(i+1,j+1,i+1,j+2)
                    a[i][j+1] += 1
        else:
            if a[i][j] & 1:
                if j == w - 1:
                    print(i + 1, 1, i + 2, 1)
                    a[i+1][0] += 1
                else:
                    print(i+1, w-j, i+1, w-j-1)
                    a[i][j+1] += 1


Fixed submission:
f = lambda: map(int,input().split())
h,w = f()
a = [list(f()) for _ in range(h)]
for i in range(h):
    if i%2 == 0:
        a[i].reverse()

count = 0
ans = []

for i in range(h):
    for j in range(w):
        if i == h-1 and j == w-1:
            break
        if i&1:
            if a[i][j]&1:
                count += 1
                if j == w-1:
                    ans.append([i+1,w,i+2,w])
                    a[i+1][0] += 1
                else:
                    ans.append([i+1,j+1,i+1,j+2])
                    a[i][j+1] += 1
        else:
            if a[i][j] & 1:
                count += 1
                if j == w - 1:
                    ans.append([i + 1, 1, i + 2, 1])
                    a[i+1][0] += 1
                else:
                    ans.append([i+1, w-j, i+1, w-j-1])
                    a[i][j+1] += 1
print(count)
for i in range(count):
    print(*ans[i])
Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())
flag = 1
for i in range(min(k,len(s))):
    if s[i]!='1':
        flag = 0
        break
if flag:
    print(1)
else:
    print(s[1])


Fixed submission:
s = input()
k = int(input())
flag = 1
for i in range(min(k,len(s))):
    if s[i]!='1':
        flag = 0
        a = s[i]
        break
if flag:
    print(1)
else:
    print(a)

Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())
flag = 1
for i in range(min(k,s)):
    if s[i]!='1':
        flag = 0
        break
if flag:
    print(1)
else:
    print(s[1])


Fixed submission:
s = input()
k = int(input())
flag = 1
for i in range(min(k,len(s))):
    if s[i]!='1':
        flag = 0
        a = s[i]
        break
if flag:
    print(1)
else:
    print(a)

Buggy python submission (verdict: Runtime Error):
s = input()
k = int(input())
flag = 1
for i in range(k):
    if s[i]!='1':
        flag = 0
        break
if flag:
    print(1)
else:
    print(s[1])


Fixed submission:
s = input()
k = int(input())
flag = 1
for i in range(min(k,len(s))):
    if s[i]!='1':
        flag = 0
        a = s[i]
        break
if flag:
    print(1)
else:
    print(a)
Buggy python submission (verdict: Time Limit Exceeded):
f = lambda: list(map(int,input().split()))
def s(l,m):
    ans = 0
    for i in range(len(l)):
        ans += l[i]
        ans %= m
    return ans

n,m = f()
a = f()
a = [s(a[:i],m) for i in range(n+1)]
ans = 0
from collections import Counter
for v in Counter(a).values():
    ans += v*(v-1)//2
print(ans)

Fixed submission:
f = lambda: list(map(int,input().split()))

n,m = f()
a = f()
b = [0]
for i in range(n):
    b.append((b[-1]+a[i])%m)

ans = 0
from collections import Counter
for v in Counter(b).values():
    ans += v*(v-1)//2
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
f = lambda: list(map(int,input().split()))

n,m = f()
a = f()
a = [sum(a[:i])%m for i in range(n+1)]
ans = 0
from collections import Counter
for v in Counter(a).values():
    ans += v*(v-1)//2
print(ans)

Fixed submission:
f = lambda: list(map(int,input().split()))

n,m = f()
a = f()
b = [0]
for i in range(n):
    b.append((b[-1]+a[i])%m)

ans = 0
from collections import Counter
for v in Counter(b).values():
    ans += v*(v-1)//2
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
from functools import reduce


def gcd(a, b):
    while b:
        a, b = b, a % b
    return a


def lcm_base(x, y):
    return (x * y) // gcd(x, y)


def lcm(numbers):
    return reduce(lcm_base, numbers, 1)


N = int(input())
a = list(map(int, input().split()))

mod = []
for m in range(lcm(a)):
    k = [m % a[i] for i in range(N)]
    mod.append(sum(k))
print(max(mod))


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

f = sum(a)-N
print(f)

Buggy python submission (verdict: Runtime Error):
from math import gcd
from functools import reduce


def lcm_base(x, y):
    return (x * y) // gcd(x, y)
def lcm(numbers):
    return reduce(lcm_base, numbers, 1)


N = int(input())
a = list(map(int, input().split()))

mod = []
for m in range(lcm(a)):
    k = [m % a[i] for i in range(N)]
    mod.append(sum(k))
print(max(mod))



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

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

n = int(input())
print(int(2*n/math.gcd(2,n)))

Fixed submission:
n = int(input())
if n%2==0:
    print(n)
else:
    print(int(2 * n))
Buggy python submission (verdict: Time Limit Exceeded):
ai = lambda: list(map(int,input().split()))

n = int(input())
a = ai()

ans = 0
for i in range(n):
    s = 0
    for j in range(i,n):
        if s+a[j] == s^a[j]:
            ans += 1
            s += a[j]
        else:
            break
print(ans)

Fixed submission:
ai = lambda: list(map(int, input().split()))

n = int(input())
a = ai()

ans = 0
start = 0
s = 0
for i in range(n):
    for j in range(start, n):
        if s + a[j] == s ^ a[j]:
            s += a[j]
        else:
            s -= a[i]
            start = j
            ans += j-i
            break
        if j == n-1:
            for k in range(i,n):
                ans += n-k
            print(ans)
            import sys
            sys.exit()
print(ans)
Buggy python submission (verdict: Runtime Error):
import sys
h,w = ri()
C = [input() for _ in range(h)]

dd = [(0,1),(0,-1),(1,0),(-1,0)]
for i in range(h):
    for j in range(w):
        if C[i][j] == '#':
            b = []
            for di,dj in dd:
                if 0<=i+di<h and 0<=j+dj<w:
                    b.append(C[i+di][j+dj] == '.')
            if all(b):
                print('No')
                sys.exit()
print('Yes')

Fixed submission:
import sys

h,w = map(int,input().split())
C = [input() for _ in range(h)]

dd = [(0,1),(0,-1),(1,0),(-1,0)]
for i in range(h):
    for j in range(w):
        if C[i][j] == '#':
            b = []
            for di,dj in dd:
                if 0<=i+di<h and 0<=j+dj<w:
                    b.append(C[i+di][j+dj] == '.')
            if all(b):
                print('No')
                sys.exit()
print('Yes')
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int,input().split()))
b = [a[0]]
for i in range(n-1):
    b.append(a[i+1]-a[i])
b.append(-a[-1])
for i in range(n):
    k = 0
    for l in range(n+1):
        if l == i:
            k += abs(b[i]+b[i+1])
        elif l != i+1:
            k += abs(b[l])
    print(k)


Fixed submission:
n = int(input())
a = list(map(int,input().split()))
a.append(0)
a.insert(0,0)
s = 0
for i in range(n+1):
    s += abs(a[i]-a[i+1])
for i in range(1,n+1):
    print(s-abs(a[i]-a[i-1])-abs(a[i]-a[i+1])+abs(a[i-1]-a[i+1]))
Buggy python submission (verdict: Runtime Error):
import sys
n = int(input())
pt, px, py = 0, 0, 0
for _ in range(n):
    t, x, y = map(int,input().split())
    dt = abs(t-pt)
    dx = abs(x-px)
    dy = abs(y-py)
    if dt<dx+dy or dt%2!=(dx+dy)%2:
        print('No')
        sys.exit()    
    pt,px,py = t,x,y
print('Yes'

Fixed submission:
import sys
n = int(input())
pt, px, py = 0, 0, 0
for _ in range(n):
    t, x, y = map(int,input().split())
    dt = abs(t-pt)
    dx = abs(x-px)
    dy = abs(y-py)
    if dt<dx+dy or dt%2!=(dx+dy)%2:
        print('No')
        sys.exit()    
    pt,px,py = t,x,y
print('Yes')
Buggy python submission (verdict: Runtime Error):
s = input()
n = len(s)

t = []
for i in range(1, n):
    if s[i] != s[i-1]:
        t.append(max(i, n-i))
print(min(t))

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

t = [n]
for i in range(1, n):
    if s[i] != s[i-1]:
        t.append(max(i, n-i))
print(min(t))
Buggy python submission (verdict: Runtime Error):
ai = lambda: list(map(int,input().split()))
n, z, w = ai()
a = ai()
if n == a:
    print(abs(a[-1]-w))
else:
    print(max(abs(a[-1]-w), abs(a[-1]-a[-2])))


Fixed submission:
ai = lambda: list(map(int,input().split()))
n, z, w = ai()
a = ai()
if n == 1:
    print(abs(a[-1]-w))
else:
    print(max(abs(a[-1]-w), abs(a[-1]-a[-2])))
Buggy python submission (verdict: Time Limit Exceeded):
from itertools import permutations
N,M,R = map(int,input().split())
r = list(map(int,input().split()))

d = [[float('inf') for _ in range(N)] for _ in range(N)]
for _ in range(M):
    a,b,c = map(int,input().split())
    d[a-1][b-1] = c
    d[b-1][a-1] = c
for i in range(N):
    d[i][i]=0
for k in range(N):
    for i in range(N):
        for j in range(N):
            if d[i][j] > d[i][k]+d[k][j]:
                d[i][j] = d[i][k]+d[k][j]

ans = float('inf')
for seq in permutations(r):
    s = 0
    for j in range(R-1):
        s += d[seq[j]-1][seq[j+1]-1]
    ans = min(ans,s)
print(ans)


Fixed submission:
from itertools import permutations
N,M,R = map(int,input().split())
r = list(map(int,input().split()))

d = [[float('inf') for _ in range(N)] for _ in range(N)]
for _ in range(M):
    a,b,c = map(int,input().split())
    d[a-1][b-1] = c
    d[b-1][a-1] = c
for i in range(N):
    d[i][i]=0
from scipy.sparse import csgraph
d = csgraph.floyd_warshall(d)
ans = float('inf')
for seq in permutations(r):
    s = 0
    for j in range(R-1):
        s += d[seq[j]-1][seq[j+1]-1]
    ans = min(ans,s)
print(int(ans))
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = input()
b = input()

ans = 3
i = 0
if a[0] != b[0]:
    i += 1
    ans += 3

while i < n-1:
    if a[i]==b[i]:
        if a[i+1]==b[i+1]:
            ans *= 2
        else:
            ans *= 2
            i += 1
    else:
        if a[i+1]==b[i+1]:
            ans *= 1
        else:
            ans *= 3
            i += 1
    i += 1
    ans %= 1000000007
print(ans)


Fixed submission:
n = int(input())
a = list(map(int, input().split()))
a.sort()
f,s,i = 0,0,0
while i+1<n:
    if a[i]==a[i+1]:
        s = f
        f = a[i]
        i += 1
    i += 1
print(f*s)

Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))
u = list(set(a))
u = [i for i in u if a.count(i)>1]
print(u[-1]*u[-2])


Fixed submission:
n = int(input())
a = list(map(int, input().split()))
a.sort()
f,s,i = 0,0,0
while i+1<n:
    if a[i]==a[i+1]:
        s = f
        f = a[i]
        i += 1
    i += 1
print(f*s)
Buggy python submission (verdict: Runtime Error):
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]


n = int(input())
a = ai()
MOD = 10**9+7

from collections import Counter
dup = list(Counter(sorted(a)).values()).index(2)+1
ant = a.index(dup)
post = a[::-1].index(dup)


def nCb(n, r):
    fac = [1, 1] + [0] * n
    finv = [1, 1] + [0] * n
    inv = [0, 1] + [0] * n
    for i in range(2, n + 2):
        fac[i] = fac[i - 1] * i % MOD
        inv[i] = -inv[MOD % i] * (MOD // i) % MOD
        finv[i] = finv[i - 1] * inv[i] % MOD
        
    if n < r: return 0
    if n < 0 or r < 0: return 0
    return fac[n] * (finv[r] * finv[n - r] % MOD) % MOD


for k in range(1,n+2):
    if k == 1:
        print(n)
    else:
        ans = nCb(n+1,k)
        if ant+post+1 >= k:
            ans -= nCb(ant+post,k-1)
        print(ans)


Fixed submission:
f = lambda: list(map(int,input().split()))
n = int(input())
a = f()
if n&1:
    b = a[::-2]+a[1::2]
else:
    b = a[::-2]+a[::2]
print(*b)
Buggy python submission (verdict: Time Limit Exceeded):
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]


n = int(input())
a = ai()
MOD = 10**9+7

from collections import Counter
dup = list(Counter(sorted(a)).values()).index(2)+1
ant = a.index(dup)
post = a[::-1].index(dup)


def nCb(n, r):
    fac = [1, 1] + [0] * n
    finv = [1, 1] + [0] * n
    inv = [0, 1] + [0] * n
    for i in range(2, n + 2):
        fac[i] = fac[i - 1] * i % MOD
        inv[i] = -inv[MOD % i] * (MOD // i) % MOD
        finv[i] = finv[i - 1] * inv[i] % MOD
        
    if n < r: return 0
    if n < 0 or r < 0: return 0
    return fac[n] * (finv[r] * finv[n - r] % MOD) % MOD


for k in range(1,n+2):
    if k == 1:
        print(n)
    else:
        ans = nCb(n+1,k)
        if ant+post+1 >= k:
            ans -= nCb(ant+post,k-1)
        print(ans)


Fixed submission:
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]

n = int(input())
a = ai()

dup = sum(a)-n*(n+1)//2
ant = a.index(dup)
post = a[::-1].index(dup)

mod = 10**9+7
factorial = [1]
for i in range(1,n+2):
    factorial.append(factorial[i-1]*i %mod)

inverse = [0]*(n+2)
inverse[n+2-1] = pow(factorial[n+2-1], mod-2,mod)
for i in range(n+2-2, -1, -1):
    inverse[i] = inverse[i+1] * (i+1) % mod


def nCr(n,r):
    if n<r or n==0 or r==0:
        return 0
    return factorial[n] * inverse[r] * inverse[n-r] % mod


for k in range(1,n+2):
    if k == 1:
        print(n)
    else:
        ans = nCr(n+1,k) - nCr(ant+post,k-1)
        if ans < 0:
            ans += mod
        print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]


n = int(input())
a = ai()
mod = 10**9+7

from collections import Counter
dup = list(Counter(sorted(a)).values()).index(2)+1
ant = a.index(dup)
post = a[::-1].index(dup)


def nCb(n, b):
    if b > n - b:
        b = n - b
    r = 1
    for k in range(n, n-b, -1):
        r = r * k % mod
    d = 1
    for k in range(1, b+1):
        d = d * k % mod
    return r * inv(d) % mod


def inv(x):
    return pow(x, mod - 2, mod)


for k in range(1,n+2):
    if k == 1:
        print(n)
    else:
        ans = nCb(n+1,k)
        if ant+post+1 >= k:
            ans -= nCb(ant+post,k-1)
        print(ans)


Fixed submission:
ai = lambda: list(map(int,input().split()))
ai_ = lambda: [int(x)-1 for x in input().split()]

n = int(input())
a = ai()

dup = sum(a)-n*(n+1)//2
ant = a.index(dup)
post = a[::-1].index(dup)

mod = 10**9+7
factorial = [1]
for i in range(1,n+2):
    factorial.append(factorial[i-1]*i %mod)

inverse = [0]*(n+2)
inverse[n+2-1] = pow(factorial[n+2-1], mod-2,mod)
for i in range(n+2-2, -1, -1):
    inverse[i] = inverse[i+1] * (i+1) % mod


def nCr(n,r):
    if n<r or n==0 or r==0:
        return 0
    return factorial[n] * inverse[r] * inverse[n-r] % mod


for k in range(1,n+2):
    if k == 1:
        print(n)
    else:
        ans = nCr(n+1,k) - nCr(ant+post,k-1)
        if ans < 0:
            ans += mod
        print(ans)
Buggy python submission (verdict: Runtime Error):
from collections import Counter
s = input()
n = 0
ans = 10**10
while n<len(s) and Counter(s).most_common()[n][1]==Counter(s).most_common()[0][1]:
    k = Counter(s).most_common()[n][0]
    l = [i if i == k else 0 for i in s]
    a = 0
    while l.count(k)!=len(l):
        for i in range(len(l)-1):
            if l[i]==k or l[i+1]==k:
                l[i] = k
        a += 1
        l.pop(-1)
    ans = min(ans,a)
    n += 1
print(ans)

Fixed submission:
s = input()
n = 0
ans = 10**10
for k in 'qwertyuiopasdfghjklzxcvbnm':
    l = [i if i == k else 0 for i in s]
    a = 0
    while l.count(k)!=len(l):
        for i in range(len(l)-1):
            if l[i]==k or l[i+1]==k:
                l[i] = k
        a += 1
        l.pop(-1)
    ans = min(ans,a)
    n += 1
print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())
s = [int(input()) for i in range(n)]
if sum(s)%10:
    print(sum(s))
else:
    for i in sorted(s):
        if i%10:
            print(sum(s)-i)
            break
    else:
        print(0

Fixed submission:
n = int(input())
s = [int(input()) for i in range(n)]
if sum(s)%10:
    print(sum(s))
else:
    for i in sorted(s):
        if i%10:
            print(sum(s)-i)
            break
    else:
        print(0)
Buggy python submission (verdict: Time Limit Exceeded):
f = lambda: list(map(int,input().split()))
f_ = lambda: [int(x)-1 for x in input().split()]

n,k = f()
l = []
for _ in range(n):
    a,b = f()
    l += [a]*b
print(sorted(l)[k-1])

Fixed submission:
f = lambda: list(map(int,input().split()))
f_ = lambda: [int(x)-1 for x in input().split()]

n,k = f()
d = []
for _ in range(n):
    a,b = f()
    d.append((a,b))
d.sort(key=lambda x: x[0])
count = 0
for x,y in d:
    count += y
    if count >= k:
        break
print(x)
Buggy python submission (verdict: Runtime Error):
li = lambda: list(map(int,input().split()))

n,l,t = li()
a,ac,au = [],[],[]
for i in range(n):
    x,y = li()
    if i == 0: start = y
    a.append(x)
    if y == 1:
        ac.append(x)
    else:
        au.append(x)

tt = t%l

if start == 2:
    acc = [n-ac[-s] for s in range(1,len(ac)+1)]
    dist = au[0]+acc[0]
    j = 0
    for i in range(1, min(len(au), len(acc))):
        if dist > tt:
            j = i-1
            break
        if i&1:
            dist += au[i]-au[i-1]
        else:
            dist += acc[i]-acc[i-1]
    if j&1:
        pointofone = n - acc[j//2]
    else:
        pointofone = au[j//2]
else:
    acc = [-au[0]] + [n-ac[-s] for s in range(1, len(ac))]
    dist = acc[0] + au[0]
    j = 0
    for i in range(1, min(len(ac), len(acc)) ):
        if dist > tt:
            j = i-1
            break
        if i&1:
            dist += acc[i]-acc[i-1]
        else:
            dist += au[i]-au[i-1]
    if j == 0:
        pointofone = ac[0]
    elif j&1:
        pointofone = au[j//2]
    else:
        pointofone = n - acc[j//2]

ant = sorted([(s-t)%l for s in au] + [(s+t)%l for s in ac])
st = ant.index(pointofone)
ant = ant[st:]+ant[:st]
print(*ant, sep='\n')

Fixed submission:
n = int(input())
a = list(map(int,input().split()))
mode = 0
ans = 1
for i in range(1,n):
    d = a[i]-a[i-1]
    if mode == 0:
        mode = d
        continue
    if mode>0:
        if d<0:
            ans += 1
            mode = 0
    elif mode<0:
        if d>0:
            ans += 1
            mode = 0
print(ans)
Buggy python submission (verdict: Runtime Error):
ai = lambda: list(map(int, input().split()))

n,m = ai()
x = ai()
y = ai()
mod = 10**9+7
ans = 0

sx,ssx,sy,ssy = [x[0]], [x[-1]], [y[0]], [y[-1]]
for i in range(1, n):
    sx.append(sx[-1] + x[i])
    ssx.append(ssx[-1] + x[-i-1])
    sy.append(sy[-1] + y[i])
    ssy.append(ssy[-1] + y[-i-1])

a = sum(ssx[i] - sx[i] for i in range(n)) % mod
b = sum(ssy[i] - sy[i] for i in range(n)) % mod

ans = a*b % mod
print(ans)

Fixed submission:
ai = lambda: list(map(int, input().split()))

n,m = ai()
x = ai()
y = ai()
mod = 10**9+7
ans = 0

sx,ssx,sy,ssy = [x[0]], [x[-1]], [y[0]], [y[-1]]
for i in range(1, n):
    sx.append(sx[-1] + x[i])
    ssx.append(ssx[-1] + x[-i-1])
for i in range(1, m):
    sy.append(sy[-1] + y[i])
    ssy.append(ssy[-1] + y[-i-1])

a = sum(ssx[i] - sx[i] for i in range(n)) % mod
b = sum(ssy[i] - sy[i] for i in range(m)) % mod

ans = a*b % mod
print(ans)
Buggy python submission (verdict: Runtime Error):
mod = 10**9+7

n = int(input())
a = sorted(f())
if n&1:
    if all([a[i] == i+i%2 for i in range(n)]):
        print(1<<((n-1)//2)%mod)
    else:
        print(0)
else:
    if all([a[i] == i+(i+1)%2 for i in range(n)]):
        print(1<<(n//2)%mod)
    else:
        print(0)

Fixed submission:
f = lambda: list(map(int,input().split()))
mod = 10**9+7

n = int(input())
a = sorted(f())
if n&1:
    if all([a[i] == i+i%2 for i in range(n)]):
        print(2**(n//2)%mod)
    else:
        print(0)
else:
    if all([a[i] == i+(i+1)%2 for i in range(n)]):
        print(2**(n//2)%mod)
    else:
        print(0)