Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
x = int(input())

flag = False

for i in range(int(pow(x, 1/5))+1):
    a = x - i**5
    for j in range(a+1):
        if j**5 == a:
            flag = True
            break
    if flag:
        print(j, -i)
        break


Fixed submission:
x = int(input())

div = set()
for i in range(1, int(x**0.5)+1):
    if x % i == 0:
        div.add(i)
        div.add(x//i)

div = list(div)

for d in div:
    for a in range(int(pow(x, 1/2))+1):
        b = a - d
        if a**5 - b**5 == x:
            print(a, b)
            break
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int, input().split()))

ans = 0

for i in range(n):
    j = 0
    for a in A[i+A[i]:]:
        if a == j:
            ans += 1
        j += 1

print(ans)


Fixed submission:
import collections

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

L, R = [], []

for i in range(n):
    L.append(i+1+A[i])
    R.append(i+1-A[i])

cl = collections.Counter(L)
cr = collections.Counter(R)

ans = 0

for c in cl:
    ans += cl[c] * cr[c]

print(ans)
Buggy python submission (verdict: Runtime Error):
x, y, a, b, c = map(int, input().split())
P = sorted(list(map(int, input().split())), reverse=True)
Q = sorted(list(map(int, input().split())), reverse=True)
R = sorted(list(map(int, input().split())))

A = sorted(P[:x] + Q[:y])
ans = sum(A)

for i in range(c):
    if A[i] < R[-1]:
        ans = ans + R[-1] - A[i]
        R.pop(-1)

print(ans)


Fixed submission:
x, y, a, b, c = map(int, input().split())
P = sorted(list(map(int, input().split())), reverse=True)
Q = sorted(list(map(int, input().split())), reverse=True)
R = sorted(list(map(int, input().split())))

A = sorted(P[:x] + Q[:y])
ans = sum(A)

for i in range(min(c, len(A))):
    if A[i] < R[-1]:
        ans = ans + R[-1] - A[i]
        R.pop(-1)

print(ans)
Buggy python submission (verdict: Runtime Error):
for i in range(q):
    tfc = input()
    if len(tfc) == 1:
        if rev:
            rev = False
        else:
            rev = True
    else:
        t, f, c = tfc.split()
        if f == '1':
            if rev:
                back += c
            else:
                forward += c
        else:
            if rev:
                forward += c
            else:
                back += c

s = forward[::-1] + s + back
if rev:
    s = s[::-1]

print(s)


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

rev = False

forward = ''
back = ''

for i in range(q):
    tfc = input()
    if len(tfc) == 1:
        if rev:
            rev = False
        else:
            rev = True
    else:
        t, f, c = tfc.split()
        if f == '1':
            if rev:
                back += c
            else:
                forward += c
        else:
            if rev:
                forward += c
            else:
                back += c

s = forward[::-1] + s + back
if rev:
    s = s[::-1]

print(s)

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
q = int(input())

rev = False

for i in range(q):
    tfc = input()
    if len(tfc) == 1:
        if rev:
            rev = False
        else:
            rev = True
    else:
        t, f, c = tfc.split()
        if f == '1':
            if rev:
                s = s+c
            else:
                s = c+s
        else:
            if rev:
                s = c+s
            else:
                s = s+c

print(s if not rev else s[::-1])

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

rev = False

forward = ''
back = ''

for i in range(q):
    tfc = input()
    if len(tfc) == 1:
        if rev:
            rev = False
        else:
            rev = True
    else:
        t, f, c = tfc.split()
        if f == '1':
            if rev:
                back += c
            else:
                forward += c
        else:
            if rev:
                forward += c
            else:
                back += c

s = forward[::-1] + s + back
if rev:
    s = s[::-1]

print(s)

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
q = int(input())

for i in range(q):
    tfc = input()
    if len(tfc) == 1:
        s = s[::-1]
    else:
        t, f, c = tfc.split()
        if f == '1':
            s = c+s
        else:
            s = s+c

print(s)


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

rev = False

forward = ''
back = ''

for i in range(q):
    tfc = input()
    if len(tfc) == 1:
        if rev:
            rev = False
        else:
            rev = True
    else:
        t, f, c = tfc.split()
        if f == '1':
            if rev:
                back += c
            else:
                forward += c
        else:
            if rev:
                forward += c
            else:
                back += c

s = forward[::-1] + s + back
if rev:
    s = s[::-1]

print(s)
Buggy python submission (verdict: Time Limit Exceeded):
def cmb(n, r, mod):
    num = 1
    cnt = 1
    for i in range(1, r+1):
        num *= (n-i+1)
        cnt *= i
        if num % cnt == 0:
            num = num//cnt
            cnt = 1
    return (num//cnt) % mod


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

mod = 10**9+7

nCa = cmb(n, a, mod)
nCb = cmb(n, b, mod)


if n <= 10**7:
    nCr = 2**n % mod
else:
    sy = n // 10**7
    am = n % (10**7)
    t = 2**(10**7) % mod
    am = 2**am % mod
    nCr = 1
    for i in range(sy):
        nCr = nCr * t % mod
    nCr = nCr * am % mod

print((nCr-1-nCa-nCb) % mod)


Fixed submission:
def cmb(n, r, mod):
    r = min(n-r, r)
    if r == 0:
        return 1
    over, under = 1, 1
    for i in range(1, r+1):
        over = over * (n-i+1) % mod
        under = under * i % mod
    inv = pow(under, mod-2, mod)
    return over * inv % mod


n, a, b = map(int, input().split())
mod = 10**9 + 7

print((pow(2, n, mod) - cmb(n, a, mod) - cmb(n, b, mod) - 1) % mod)
Buggy python submission (verdict: Runtime Error):
INF = 1000000000

h, n = map(int, input().split())
AB = [list(map(int, input().split())) for i in range(n)]

maxA = max(AB[:][0])

dp = [INF for i in range(h+maxA)]
dp[0] = 0

for i in range(1, h+maxA):
    dp[i] = min(dp[i-a] + b for a, b in AB)

print(min(dp[h:]))


Fixed submission:
INF = 1000000000

h, n = map(int, input().split())
AB = [list(map(int, input().split())) for i in range(n)]

maxA = max(AB, key=lambda x: x[0])[0]

dp = [INF for i in range(h+maxA)]
dp[0] = 0

for i in range(1, h+maxA):
    dp[i] = min(dp[i-a] + b for a, b in AB)

print(min(dp[h:]))

Buggy python submission (verdict: Runtime Error):
INF = 10000000

h, n = map(int, input().split())
AB = [list(map(int, input().split())) for i in range(n)]

maxA = max(AB[:][0])

dp = [INF for i in range(h+maxA)]
dp[0] = 0

for i in range(1, h+maxA):
    for j in range(n):
        a, b = AB[j][0], AB[j][1]
        dp[i] = min(dp[i], dp[i-a] + b)

ans = min(dp[h:])

print(ans)


Fixed submission:
INF = 1000000000

h, n = map(int, input().split())
AB = [list(map(int, input().split())) for i in range(n)]

maxA = max(AB, key=lambda x: x[0])[0]

dp = [INF for i in range(h+maxA)]
dp[0] = 0

for i in range(1, h+maxA):
    dp[i] = min(dp[i-a] + b for a, b in AB)

print(min(dp[h:]))

Buggy python submission (verdict: Runtime Error):
INF = 10000000

h, n = map(int, input().split())
AB = [list(map(int, input().split())) for i in range(n)]

maxA = max(AB[:][0])

dp = [INF for i in range(h+maxA)]
dp[0] = 0

for i in range(1, h+maxA):
    for j in range(n):
        a, b = AB[j][0], AB[j][1]
        dp[i] = min(dp[i], dp[i-a] + b)

ans = min(dp[h:])

print(ans)


Fixed submission:
INF = 1000000000

h, n = map(int, input().split())
AB = [list(map(int, input().split())) for i in range(n)]

maxA = max(AB, key=lambda x: x[0])[0]

dp = [INF for i in range(h+maxA)]
dp[0] = 0

for i in range(1, h+maxA):
    dp[i] = min(dp[i-a] + b for a, b in AB)

print(min(dp[h:]))
Buggy python submission (verdict: Time Limit Exceeded):
import fractions
from functools import reduce


n, m = map(int, input().split())
A = list(set(map(int, input().split())))


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


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


hA = [a//2 for a in A]
lcm = lcm_list(hA)

for a in A:
    if lcm % a == 0 or lcm > m:
        print(0)
        break
else:
    if (m//lcm) % 2 == 0:
        print(m//lcm//2)
    else:
        print(m//lcm//2 + 1)


Fixed submission:
import fractions
from functools import reduce


n, m = map(int, input().split())
A = list(set(map(int, input().split())))

hA = [a//2 for a in A]
lcm = 1
for a in hA:
    lcm = (lcm * a) // fractions.gcd(lcm, a)
    if lcm > m:
        print(0)
        break
else:
    for a in A:
        if lcm % a == 0:
            print(0)
            break
    else:
        if (m//lcm) % 2 == 0:
            print(m//lcm//2)
        else:
            print(m//lcm//2 + 1)

Buggy python submission (verdict: Time Limit Exceeded):
import fractions
from functools import reduce


n, m = map(int, input().split())
A = list(set(map(int, input().split())))


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


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


hA = [a//2 for a in A]
lcm = lcm_list(hA)

for a in A:
    if lcm % a == 0:
        print(0)
        break
else:
    if (m//lcm) % 2 == 0:
        print(m//lcm//2)
    else:
        print(m//lcm//2 + 1)


Fixed submission:
import fractions
from functools import reduce


n, m = map(int, input().split())
A = list(set(map(int, input().split())))

hA = [a//2 for a in A]
lcm = 1
for a in hA:
    lcm = (lcm * a) // fractions.gcd(lcm, a)
    if lcm > m:
        print(0)
        break
else:
    for a in A:
        if lcm % a == 0:
            print(0)
            break
    else:
        if (m//lcm) % 2 == 0:
            print(m//lcm//2)
        else:
            print(m//lcm//2 + 1)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
S = input()

ans = 0
for i in range(1000):
    a = '{0:03d}'.format(i)
    f1, f2 = False, False
    for s in S:
        if not f1 and s == a[0]:
            f1 = True
            continue
        if f1 and not f2 and s == a[1]:
            f2 = True
            continue
        if f1 and f2 and s == a[2]:
            ans += 1
            break

print(ans)


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

ans = 0
for i in range(1000):
    a = '{0:03d}'.format(i)
    if a[0] in S:
        idx1 = S.index(a[0])
        S1 = S[idx1+1:]
        if a[1] in S1:
            idx2 = S1.index(a[1])
            S2 = S1[idx2+1:]
            if a[2] in S2:
                ans += 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
S = input()

S = list(S)

ans = 0
S12 = []
for i in range(n-2):
    for j in range(i+1, n-1):
        if len(S12) == 100:
            break
        if S[i]+S[j] not in S12:
            S12.append(S[i]+S[j])
            ans += len(set(S[j+1:]))

print(ans)


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

ans = 0
for i in range(1000):
    a = '{0:03d}'.format(i)
    if a[0] in S:
        idx1 = S.index(a[0])
        S1 = S[idx1+1:]
        if a[1] in S1:
            idx2 = S1.index(a[1])
            S2 = S1[idx2+1:]
            if a[2] in S2:
                ans += 1

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

rgb = [0, 0, 0]
ans = 1
for a in A:
    ans = (ans * rgb.count(a)) % 1000000007
    idx = rgb.index(a)
    rgb[idx] += 1

print(ans)


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

rgb = [0, 0, 0]
ans = 1
for a in A:
    if a not in rgb:
        print(0)
        break
    ans = (ans * rgb.count(a)) % 1000000007
    idx = rgb.index(a)
    rgb[idx] += 1
else:
    print(ans)

Buggy python submission (verdict: Runtime Error):
n = int(input())
A = list(map(int, input().split()))

rgb = [0, 0, 0]
ans = 1
for a in A:
    ans = ans * rgb.count(a) % 1000000007
    idx = rgb.index(a)
    rgb[idx] += 1

print(ans)


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

rgb = [0, 0, 0]
ans = 1
for a in A:
    if a not in rgb:
        print(0)
        break
    ans = (ans * rgb.count(a)) % 1000000007
    idx = rgb.index(a)
    rgb[idx] += 1
else:
    print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())
D = list(map(int, input().split()))


if D[0] != 0 or 0 in D[1:]:
    ans = 0
else:
    num = [0 for i in range(max(D)+1)]
    ans = 1
    cnt = 1
    for i in range(n):
        num[D[i]] += 1
    for i in range(len(num)):
        ans = ans * (cnt ** num[i]) % 998244353
        cnt = num[i]

print(num)
print(ans)


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


if D[0] != 0 or 0 in D[1:]:
    ans = 0
else:
    num = [0 for i in range(max(D)+1)]
    ans = 1
    cnt = 1
    for i in range(n):
        num[D[i]] += 1
    for i in range(len(num)):
        ans = ans * (cnt ** num[i]) % 998244353
        cnt = num[i]

print(ans)

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


if D[0] != 0:
    ans = 0
else:
    ans = 1
    cnt = 1
    for i in range(max(D)+1):
        ans = ans * (cnt ** D.count(i)) % 998244353
        cnt = D.count(i)

print(ans)


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


if D[0] != 0 or 0 in D[1:]:
    ans = 0
else:
    num = [0 for i in range(max(D)+1)]
    ans = 1
    cnt = 1
    for i in range(n):
        num[D[i]] += 1
    for i in range(len(num)):
        ans = ans * (cnt ** num[i]) % 998244353
        cnt = num[i]

print(ans)

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

ans = 1
cnt = 1
for i in range(max(D)+1):
    if D[0] != 0 or i not in D:
        ans = 0
        break
    else:
        ans = ans * (cnt ** D.count(i)) % 998244353
        cnt = D.count(i)

print(ans)


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


if D[0] != 0 or 0 in D[1:]:
    ans = 0
else:
    num = [0 for i in range(max(D)+1)]
    ans = 1
    cnt = 1
    for i in range(n):
        num[D[i]] += 1
    for i in range(len(num)):
        ans = ans * (cnt ** num[i]) % 998244353
        cnt = num[i]

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import numpy as np

n, k, q = map(int, input().split())
A = [int(input())-1 for i in range(q)]
P = np.ones(n) * k

for a in A:
    P[:a] -= 1
    P[a+1:] -= 1

P = np.where(P > 0, 'Yes', 'No')
for p in P:
    print(p)


Fixed submission:
import numpy as np

n, k, q = map(int, input().split())
A = [int(input())-1 for i in range(q)]
P = np.ones(n) * k - q
for a in A:
    P[a] += 1
P = np.where(P > 0, 'Yes', 'No')
for p in P:
    print(p)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

ans = 0
for i in range(1, n):
    ans += i % (i+1)

print(ans)

Fixed submission:
n = int(input())

if n % 2 == 0:
    print((n-1)*int(n/2))
else:
    print(n*int((n-1)/2))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

A = [i for i in range(1, n+1)]
B = [i for i in range(2, n+1)]
B.append(1)

ans = 0
for a, b in zip(A, B):
    ans += a % b

print(ans)


Fixed submission:
n = int(input())

if n % 2 == 0:
    print((n-1)*int(n/2))
else:
    print(n*int((n-1)/2))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

S = []
for i in range(n):
    s = input()
    s = sorted(list(s))
    s = str(s)
    S.append(s)

T = set(S)

ans = 0
cnt = [S.count(T.pop()) - 1 for i in range(len(T))]
for c in cnt:
    ans += c * (c+1) // 2

print(ans)

Fixed submission:
n = int(input())

cnt = {}
for i in range(n):
    s = input()
    s = sorted(list(s))
    s = str(s)
    if s not in cnt:
        cnt[s] = 0
    else:
        cnt[s] += 1

ans = 0
for c in cnt.values():
    ans += c * (c+1) // 2

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

S = []
cnt = {}
for i in range(n):
    s = input()
    s = sorted(list(s))
    s = str(s)
    if s not in S:
        S.append(s)
        cnt[s] = 0
    else:
        cnt[s] += 1

ans = 0
for s in S:
    c = cnt[s]
    ans += c * (c+1) // 2

print(ans)

Fixed submission:
n = int(input())

cnt = {}
for i in range(n):
    s = input()
    s = sorted(list(s))
    s = str(s)
    if s not in cnt:
        cnt[s] = 0
    else:
        cnt[s] += 1

ans = 0
for c in cnt.values():
    ans += c * (c+1) // 2

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

S = []
cnt = {}
for i in range(n):
    s = input()
    s = sorted(list(s))
    s = str(s)
    if s not in S:
        S.append(s)
        cnt[s] = 1
    else:
        cnt[s] += 1

ans = 0
for s in S:
    c = cnt[s]
    for i in range(c):
        ans += i
print(ans)


Fixed submission:
n = int(input())

cnt = {}
for i in range(n):
    s = input()
    s = sorted(list(s))
    s = str(s)
    if s not in cnt:
        cnt[s] = 0
    else:
        cnt[s] += 1

ans = 0
for c in cnt.values():
    ans += c * (c+1) // 2

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

S = []
for i in range(n):
    s = input()
    s = sorted(list(s))
    s = str(s)
    S.append(s)

T = set(S)

ans = 0
cnt = [S.count(T.pop()) for i in range(len(T))]
for c in cnt:
    for i in range(c):
        ans += i

print(ans)

Fixed submission:
n = int(input())

cnt = {}
for i in range(n):
    s = input()
    s = sorted(list(s))
    s = str(s)
    if s not in cnt:
        cnt[s] = 0
    else:
        cnt[s] += 1

ans = 0
for c in cnt.values():
    ans += c * (c+1) // 2

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

S = []
for i in range(n):
    s = input()
    s = sorted(list(s))
    S.append(s)

ans = [0 for i in range(n)]
for i in range(n-1):
    for j in range(i+1, n):
        if S[i] == S[j]:
            ans[i] += 1

print(sum(ans))

Fixed submission:
n = int(input())

cnt = {}
for i in range(n):
    s = input()
    s = sorted(list(s))
    s = str(s)
    if s not in cnt:
        cnt[s] = 0
    else:
        cnt[s] += 1

ans = 0
for c in cnt.values():
    ans += c * (c+1) // 2

print(ans)
Buggy python submission (verdict: Runtime Error):
s = input()
s = list(s)
s_rev = list(reversed(s))
n = len(s)


r = 0
for i in range(n):
    if s[i] == "R":
        r += 1
        continue
    if s[i] == "L":
        if r % 2 == 0:
            r_point[i] = r//2
            r_point[i+1] = r//2
        else:
            r_point[i] = r//2 + 1
            r_point[i+1] = r//2
        r = 0

el = 0
for i in range(n):
    if s_rev[i] == "L":
        el += 1
        continue
    if s_rev[i] == "R":
        if el % 2 == 0:
            l_point[i] = el//2
            l_point[i+1] = el//2
        else:
            l_point[i] = el//2 + 1
            l_point[i+1] = el//2
        el = 0

l_point = list(reversed(l_point))

print(r_point)
print(l_point)

for lp, rp in zip(l_point[1:], r_point[:-1]):
    print(str(lp+rp), end=" ")


Fixed submission:
S = input()

ans = []
cnt = 0
rl = S[0]

if S[-1] == 'R':
    S += 'L'
else:
    S += 'R'

for s in S:
    if s == rl:
        cnt += 1
    elif rl == 'R' and s == 'L':
        for i in range(cnt-1):
            ans.append(0)
        ans.append(cnt)
        cnt = 1
        rl = 'L'
    else:
        r = ans.pop(-1)
        l = cnt
        ans.append((r+l)//2)
        ans.append((r+l)//2)
        if (r+l) % 2 == 1 and r % 2 == 0:
            ans[-1] += 1
        elif (r+l) % 2 == 1 and r % 2 == 1:
            ans[-2] += 1
        for i in range(l-1):
            ans.append(0)
        cnt = 1
        rl = 'R'

print(*ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

A = [int(input()) for i in range(n)]

m = max(A)

print(max(A[1:]))

for i in range(1, n-1):
    if A[i] < m:
        print(m)
    else:
        print(max(max(A[:i]), max(A[i+1:])))

print(max(A[:n-1]))

Fixed submission:
n = int(input())

A = [int(input()) for i in range(n)]

S = sorted(A)

m1 = max(A)
m2 = S[-2]

for a in A:
    if a != m1:
        print(m1)
    else:
        print(m2)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

A = [int(input()) for i in range(n)]

for i in range(n):
    a = A[0]
    A = A[1:]
    print(max(A))
    A.append(a)


Fixed submission:
n = int(input())

A = [int(input()) for i in range(n)]

S = sorted(A)

m1 = max(A)
m2 = S[-2]

for a in A:
    if a != m1:
        print(m1)
    else:
        print(m2)
Buggy python submission (verdict: Runtime Error):
n = int(input())
A = list(map(int, input().split()))
setA = set(A)
listSetA = list(setA)

if A == [0 for i in range(n)]:
    print("Yes")
elif len(setA) == 2 and listSetA[0] == 0 and 2*A.count(0) == A.count(listSetA[1])
elif len(setA) == 3 and listSetA[0] ^ listSetA[1] == listSetA[2] and A.count(listSetA[0]) == A.count(listSetA[1]) == A.count(listSetA[2]):
    print("Yes")
else:
    print("No")


Fixed submission:
n = int(input())
A = list(map(int, input().split()))
setA = set(A)
listSetA = list(setA)

if A == [0 for i in range(n)]:
    print("Yes")
elif len(setA) == 2 and listSetA[0] == 0 and 2*A.count(0) == A.count(listSetA[1]):
    print("Yes")
elif len(setA) == 3 and listSetA[0] ^ listSetA[1] == listSetA[2] and A.count(listSetA[0]) == A.count(listSetA[1]) == A.count(listSetA[2]):
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
l, r = map(int, input().split())

if r-l+1 >= 2019:
    print(0)
else:
    ans = 2019
    for i in range(l, r):
        for j in range(i+1, r+1):
            ans = min(ans, (i*j) % 2019)
            if ans == 0:
                break
        if ans == 0:
            break

print(ans)


Fixed submission:
l, r = map(int, input().split())

if r-l+1 >= 2019:
    print(0)
else:
    ans = 2019
    for i in range(l, r):
        for j in range(i+1, r+1):
            ans = min(ans, (i*j) % 2019)
            if ans == 0:
                break
        if ans == 0:
            break
    print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
A = [int(input()) for i in range(m)]

dp = [0 for i in range(n+1)]
dp[0] = 1

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

print(dp[-1])


Fixed submission:
n, m = map(int, input().split())
A = [False for i in range(n+1)]
for i in range(m):
    a = int(input())
    A[a] = True

dp = [0 for i in range(n+1)]
dp[0] = 1

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

print(dp[-1])