Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
a = list(map(int, input().split()))
a.sort()
if a[-1] < k:
    print("IMPOSSIBLE")
    exit()
if n > 1:
    m = 10**9
    for i in range(n-1):
        m = min(m, abs(a[i+1]-a[i]))
    for i in range(n):
        if abs(a[i]-k) % m == 0:
            print("POSSIBLE")
            exit()
else:
    if a[0] == k:
        print("POSSIBLE")
        exit()
print("IMPOSSIBLE")


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

a = sorted(list(set(a)))

if a[-1] < k:
    print("IMPOSSIBLE")
    exit()

n = len(a)

if n > 1:
    m = 10**9
    for i in range(n-1):
        if a[i] != a[i+1]:
            m = min(m, abs(a[i+1]-a[i]))
    for i in range(n):
        if abs(a[i]-k) % m == 0:
            print("POSSIBLE")
            exit()
else:
    if a[0] == k:
        print("POSSIBLE")
        exit()
print("IMPOSSIBLE")

Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
a = list(map(int, input().split()))
a.sort()
if max(a) < k:
    print("IMPOSSIBLE")
    exit()
m = 10**9
for i in range(n-1):
    m = min(m, abs(a[i+1]-a[i]))
for i in range(n):
    if abs(a[i]-k) % m == 0:
        print("POSSIBLE")
        exit()
print("IMPOSSIBLE")


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

a = sorted(list(set(a)))

if a[-1] < k:
    print("IMPOSSIBLE")
    exit()

n = len(a)

if n > 1:
    m = 10**9
    for i in range(n-1):
        if a[i] != a[i+1]:
            m = min(m, abs(a[i+1]-a[i]))
    for i in range(n):
        if abs(a[i]-k) % m == 0:
            print("POSSIBLE")
            exit()
else:
    if a[0] == k:
        print("POSSIBLE")
        exit()
print("IMPOSSIBLE")

Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
a = list(map(int, input().split()))
a.sort()
if max(a) < k:
    print("IMPOSSIBLE")
    exit()
m = 10**9
for i in range(n-1):
    m = min(m, abs(a[i+1]-a[0]))
for i in range(n):
    if abs((a[i]-k)) % m == 0:
        print("POSSIBLE")
        exit()
print("IMPOSSIBLE")


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

a = sorted(list(set(a)))

if a[-1] < k:
    print("IMPOSSIBLE")
    exit()

n = len(a)

if n > 1:
    m = 10**9
    for i in range(n-1):
        if a[i] != a[i+1]:
            m = min(m, abs(a[i+1]-a[i]))
    for i in range(n):
        if abs(a[i]-k) % m == 0:
            print("POSSIBLE")
            exit()
else:
    if a[0] == k:
        print("POSSIBLE")
        exit()
print("IMPOSSIBLE")
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))

s = sum(a)

ans = float('inf')
for i in range(n-1):
    x = sum(a[:i+1])
    ans = min(ans, abs(s-2*x))

print(ans)


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

s = sum(a)

ans = float('inf')
x = 0
for i in range(n-1):
    x += a[i]
    ans = min(ans, abs(s-2*x))

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))
b = []
for p in a:
    b.append(p)
    b.reverse()
for p in b:
    print(str(p) + " ", end="")
print()


Fixed submission:
n = int(input())
a = list(map(int, input().split()))
if n%2:
    for i in range(n//2+1):
        print(str(a[n-1-2*i])+" ", end="")
    for i in range(n//2):
        print(str(a[1+2*i])+" ", end="")
    print()
else:
    for i in range(n//2):
        print(str(a[n-1-2*i])+" ", end="")
    for i in range(n//2):
        print(str(a[2*i])+" ", end="")
    print()
Buggy python submission (verdict: Runtime Error):
r, g, b = input().split()
int(r+g+b)
if n % 4:
  print("NO")
else:
  print("YES")

Fixed submission:
r, g, b = input().split()
n = int(r+g+b)
if n % 4:
  print("NO")
else:
  print("YES")
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))

s = set()
c = 0

for i in range(n):
    if 1 <= a[i] <= 399:
        s.add(1)

    elif 400 <= a[i] <= 799:
        s.add(2)

    elif 800 <= a[i] <= 1199:
        s.add(3)

    elif 1200 <= a[i] <= 1599:
        s.add(4)

    elif 1600 <= a[i] <= 1999:
        s.add(5)

    elif 2000 <= a[i] <= 2399:
        s.add(6)

    elif 2400 <= a[i] <= 2799:
        s.add(7)

    elif 2800 <= a[i] <= 3199:
        s.add(8)

    else:
        c += 1

if len(s):
    print(len(s), len(s)+c)
elif:
    print(1, c)


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

s = set()
c = 0

for i in range(n):
    if 1 <= a[i] <= 399:
        s.add(1)

    elif 400 <= a[i] <= 799:
        s.add(2)

    elif 800 <= a[i] <= 1199:
        s.add(3)

    elif 1200 <= a[i] <= 1599:
        s.add(4)

    elif 1600 <= a[i] <= 1999:
        s.add(5)

    elif 2000 <= a[i] <= 2399:
        s.add(6)

    elif 2400 <= a[i] <= 2799:
        s.add(7)

    elif 2800 <= a[i] <= 3199:
        s.add(8)

    else:
        c += 1

if len(s):
    print(len(s), len(s)+c)
else:
    print(1, c)
Buggy python submission (verdict: Runtime Error):
from itertools import combinations_with_replacement as h_func
n, a, b = map(int, input().split())
if a > b:
    print(0)
    exit()
if n == 1:
    if a == b:
        print(1)
    else:
        print(0)
    exit()
x = [i for i in range(a, b+1)]
ans = set()
y = h_func(x, n-2)
for p in y:
    ans.add(sum(p))
print(len(ans))


Fixed submission:
n, a, b = map(int, input().split())
if a > b:
    print(0)
    exit()
if n == 1:
    if a == b:
        print(1)
    else:
        print(0)
    exit()
print((n-1)*b+a-(n-1)*a-b+1)

Buggy python submission (verdict: Runtime Error):
from itertools import combinations_with_replacement as h_func
n, a, b = map(int, input().split())
if a > b:
    print(0)
    exit()
if n == 1:
    if a == b:
        print(1)
    else:
        print(0)
    exit()
x = [i for i in range(a, b+1)]
ans = set()
for p in h_func(x, n-2):
    ans.add(sum(p))
print(len(ans))


Fixed submission:
n, a, b = map(int, input().split())
if a > b:
    print(0)
    exit()
if n == 1:
    if a == b:
        print(1)
    else:
        print(0)
    exit()
print((n-1)*b+a-(n-1)*a-b+1)
Buggy python submission (verdict: Runtime Error):
a = [[1,3,5,7,8,10,12],[4,6,9,11],[2]]
x,y = input().split()
for i in range(3):
	if (x and y) in a[i]:
    	print('Yes')
        exit()
print('No')

Fixed submission:
a = [[1,3,5,7,8,10,12],[4,6,9,11],[2]]
x,y = map(int, input().split())
for i in range(3):
    if (x in a[i]) and (y in a[i]):
        print('Yes')
        exit()
print('No')
Buggy python submission (verdict: Runtime Error):
n, m = map(int, input().split())
a = [list(map(int, input().split())) for _ in range(m)]
b = [0]*n
for i in range(m):
  b.index(a[i][0]-1) += 1
  b.index(a[i][1]-1) += 1
for i in range(n):
  print(b[i])


Fixed submission:
n, m = map(int, input().split())
a = [list(map(int, input().split())) for _ in range(m)]
b = [0]*n
for i in range(m):
  b[a[i][0]-1] += 1
  b[a[i][1]-1] += 1
for i in range(n):
  print(b[i])
Buggy python submission (verdict: Runtime Error):
from scipy.sparse.csgraph import bellman_ford
from scipy.sparse.csgraph import NegativeCycleError
from scipy.sparse import csr_matrix

n, m = map(int, input().split())
start = []
goal = []
score = []
for i in range(m):
    a, b, c = map(int, input().split())
    start.append(a-1)
    goal.append(b-1)
    score.append(-c)

path1 = csr_matrix((score, (start, goal)), shape=(n, n), dtype=int)
try:
    score = bellman_ford(path1, indices=0)
    print(-int(score[-1]))
except NegativeCycleError:
    print("inf")


Fixed submission:
def BellmanFord(edges, num_v, source):
    #グラフの初期化
    inf = float("inf")
    dist = [inf for i in range(num_v)]
    dist[source-1] = 0

    #変の和
    for i in range(num_v):
        for edge in edges:
            if dist[edge[0]-1] != inf and dist[edge[1]-1] > dist[edge[0]-1] + edge[2]:
                dist[edge[1]-1] = dist[edge[0]-1] + edge[2]
                if i == num_v - 1 and edge[1] == num_v:
                    return -1

    return dist

num_v, num_e = map(int, input().split())
edges = []
for _ in range(num_e):
    a, b, c = map(int, input().split())
    edges.append((a, b, -c))

dist = BellmanFord(edges, num_v, 1)
if dist == -1:
    print("inf")
else:
    print(-dist[-1])
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))

not_0 = n
for i in range(n):
    if a[i]:
        not_0 = i
        break

if not_0 == n:
    print(1+2*(n-1))
    exit()

ans = 0
if not_0 == 0:
    b = [a[0]]
else:
    if abs(a[not_0]) == 1:
        a[not_0] *= 2
        ans = 2*not_0
    else:
        ans = 1 + 2*(not_0-1)

    if a[not_0] > 0:
        b = [a[not_0] - 1]

    else:
        b = [a[not_0] + 1]

tmp = b[0]
for i in range(not_0+1, n):
    tmp += a[i]
    b.append(tmp)

for i in range(not_0+1, n):
    if b[i-1]*b[i] < 0:
        continue
    else:
        if b[i-1] > 0:
            d = b[i] + 1
            ans += d
            for j in range(i, n):
                b[j] -= d
        else:
            d = -b[i] + 1
            ans += d
            for j in range(i, n):
                b[j] += d
print(ans)


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

m = 0
c = 0

for i in range(n):
    m += a[i]

    if i % 2 == 0:
        if m <= 0:
            c += abs(m) + 1
            m += abs(m) + 1
    else:
        if m >= 0:
            c += m + 1
            m -= m + 1

m = 0
d = 0

for i in range(n):
    m += a[i]

    if i % 2 == 1:
        if m <= 0:
            d += abs(m) + 1
            m += abs(m) + 1
    else:
        if m >= 0:
            d += m + 1
            m -= m + 1

print(min(c, d))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = sorted(list(map(int, input().split())))
ans = 0
for i in range(n):
    a = a[1:]
    ans += a[-2]
    a = a[:-2]
print(ans)


Fixed submission:
n = int(input())
a = sorted(list(map(int, input().split())))
ans = 0
for i in range(n):
    ans += a[3*n-2-2*i]
print(ans)
Buggy python submission (verdict: Runtime Error):
a, b = map(int, input())
print((a+b)%24)

Fixed submission:
a, b = map(int, input().split())
print((a+b)%24)
Buggy python submission (verdict: Time Limit Exceeded):
import bisect
x = int(input())
a = [1]
s = 1
for i in range(2, x+1):
    s += i
    a.append(s)

if x in a:
    print(a.index(x) + 1)
    exit()

print(bisect.bisect_right(a, x)+1)



Fixed submission:
import bisect
from math import sqrt
x = int(input())
a = [1]
s = 1
for i in range(2, 2*int(sqrt(x))):
    s += i
    a.append(s)

if x in a:
    print(a.index(x) + 1)
    exit()

print(bisect.bisect_right(a, x)+1)

Buggy python submission (verdict: Time Limit Exceeded):
x = int(input())
a = [1]
s = 1
for i in range(2, x+1):
    s += i
    a.append(s)

if x in a:
    print(a.index(x) + 1)
    exit()

for i in a:
    if x < i:
        print(a.index(i)+1)
        break


Fixed submission:
import bisect
from math import sqrt
x = int(input())
a = [1]
s = 1
for i in range(2, 2*int(sqrt(x))):
    s += i
    a.append(s)

if x in a:
    print(a.index(x) + 1)
    exit()

print(bisect.bisect_right(a, x)+1)
Buggy python submission (verdict: Runtime Error):
from collections import defaultdict
from heapq import heappop, heappush
N = int(input())
A = list(map(int, input().split()))

d = defaultdict(int)
for a in A:
    d[a] += 1

T = []
for a in list(set(A)):
    T.append([a, d[a]])

M = len(T)
T = sorted(T)
i = 1
flag = True
while T[0][1] - 1 > 0:
    if T[i][1] > 1:
        T[i][1] -= 1
        flag = False
        T[0][1] -= 1
    i += 1
    if i == M:
        if flag:
            break
        i = 1
        flag = True

if T[0][1] > 1:
    if T[0][1]%2:
        print(M)
    else:
        print(M-1)
else:
    for i in range(M):
        if T[i][1] > 2:
            if T[i][1]%2:
                T[i][1] = 1
            else:
                T[i][1] = 2
    cnt = 0
    for i in range(M):
        if T[0][1] == 2:
            cnt += 1
    if cnt%2:
        print(M-1)
    else:
        print(M)


Fixed submission:
N = int(input())
A = set(list(map(int, input().split())))
if len(A)%2:
    print(len(A))
else:
    print(len(A)-1)
Buggy python submission (verdict: Time Limit Exceeded):
k,s = map(int, input().split())
a = b = c = d = 0
for x in range(k+1):
    if 3*x == s:
        a += 1
        break

for x in range(k+1):
    for z in range(x):
        if 2*x + z == s:
            b += 1
b *= 3
for x in range(k+1):
    for y in range(x):
        if x + 2*y == s:
            c += 1
c *= 3

for x in range(k+1):
    for y in range(x):
        for z in range(y):
            if x+y+z == s:
                d += 1
d *= 6

print(a+b+c+d)



Fixed submission:
k,s = map(int, input().split())
ans = 0
for p in range(min(k+1,s+1)):
    for q in range(p, s+1):
        if q-p > k or s - q > k:
            continue
        else:
            ans += 1
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
k,s = map(int, input().split())
ans = 0
for x in range(k+1):
    for y in range(k+1):
        for z in range(k+1):
            if x+y+z == s:
                ans += 1
print(ans)


Fixed submission:
k,s = map(int, input().split())
ans = 0
for p in range(min(k+1,s+1)):
    for q in range(p, s+1):
        if q-p > k or s - q > k:
            continue
        else:
            ans += 1
print(ans)
Buggy python submission (verdict: Runtime Error):
x, y = map(int, input().split())
if x >= y:
    if 0 > x:
        ans = x-y+2
    else:
        if 0 >= y:
            ans = abs(abs(y)-x) + 1 
        else:
            ans(x+y)+1
else:
    if 0 > y:
        ans = y-x
    else:
        if 0 >= x:
            ans = abs(y-abs(x)) + 1
        else:
            ans = y-x
print(ans)


Fixed submission:
x, y = map(int, input().split())
if x > y:
    if 0 > x:
        ans = x-y+2
    elif x == 0:
        ans = abs(y) + 1
    else:
        if 0 > y:
            ans = abs(abs(y)-x) + 1 
        elif y == 0:
            ans = x + 1
        else:
            ans = abs(x-y) + 2
elif x == y:
    ans = 0
else:
    if 0 > y:
        ans = y-x
    elif y == 0:
        ans = abs(x)
    else:
        if 0 > x:
            ans = abs(y-abs(x)) + 1
        elif x == 0:
            ans = y
        else:
            ans = y-x
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))

if n % 2:
    if a.count(0) != 1:
        print(0)
        exit()
    for i in range(1, n//2+1):
        if a.count(2*i) != 2:
            print(0)
            exit()

else:
    for i in range(1, n//2+1):
        if a.count(2*i-1) != 2:
            print(0)
            exit()

print(2**(n//2))


Fixed submission:
n = int(input())
a = sorted(list(map(int, input().split())))
p = 10**9 + 7

if n % 2:
    if a[0] != 0:
        print(0)
        exit()
    for i in range(1, n//2+1):
        if a[2*i-1] == a[2*i] and a[2*i-1] == 2*i:
            continue
        else:
            print(0)
            exit()

else:
    for i in range(1, n//2+1):
        if a[2*i-2] == a[2*i-1] and a[2*i-2] == 2*i-1:
            continue
        else:
            print(0)
            exit()

print((2**(n//2))%p)
Buggy python submission (verdict: Runtime Error):
ch = input()
if ch == 'a' | ch == 'i' | ch == 'u' | ch == 'e' | ch == 'o':
	print('vowel')
else:
	print('consonant')

Fixed submission:
ch = input()
if (ch == 'a') | (ch == 'i') | (ch == 'u') | (ch == 'e') | (ch == 'o'):
    print('vowel')
else:
    print('consonant')
Buggy python submission (verdict: Time Limit Exceeded):
s = input()
s_list = list(s)
while True:
    l5 = s_list[-5:]
    l6 = s_list[-6:]
    l7 = s_list[-7:]
    s5 = s6 = s7 = ''

    for ch in l5:
        s5 += ch
#    print("s5 :", s5)
    for ch in l6:
        s6 += ch
#    print("s6 :", s6)
    for ch in l7:
        s7 += ch
#    print("s7 :", s7)

    if (s5 == 'erase') | (s5 == 'dream'): 
        s_list = s_list[:-5]
#       print("s_list:", s_list)
    elif s6 == 'eraser':
        s_list = s_list[:-6]
#       print("s_list:", s_list)
    elif s7 == 'dreamer':
        s_list = s_list[:-7]
#       print("s_list:", s_list)
    else:
        print('NO')
#       print("s_list:", s_list)
        exit()

    if  s_list == []:
        print('YES')
        exit()



Fixed submission:
s = input()
while True:
    temp = s
    s5 = temp[-5:]
    s6 = temp[-6:]
    s7 = temp[-7:]

    if (s5 == 'erase') | (s5 == 'dream'): 
        s = temp[:-5]
    elif s6 == 'eraser':
        s = temp[:-6]
    elif s7 == 'dreamer':
        s = temp[:-7]
    else:
        print('NO')
        exit()

    if s == '':
        print('YES')
        exit()

Buggy python submission (verdict: Runtime Error):
s = input()
s_list = list(s)
while True:
    l5 = s_list[-5:]
    l6 = s_list[-6:]
    l7 = s_list[-7:]
    s5 = s6 = s7 = ''

    for ch in l5:
        s5 += ch
    print("s5 :", s5)
    for ch in l6:
        s6 += ch
    print("s6 :", s6)
    for ch in l7:
        s7 += ch
    print("s7 :", s7)

    if (s5 == 'erase') | (s5 == 'dream'): 
        s_list = s_list[:-5]
        print("s_list:", s_list)
    elif s6 == 'eraser':
        s_list = s_list[:-6]
        print("s_list:", s_list)
    elif s7 == 'dreamer':
        s_list = s_list[:-7]
        print("s_list:", s_list)
    else:
        print('NO')
        print("s_list:", s_list)
        exit()

    if  s_list == []:
        print('YES')
        exit()



Fixed submission:
s = input()
while True:
    temp = s
    s5 = temp[-5:]
    s6 = temp[-6:]
    s7 = temp[-7:]

    if (s5 == 'erase') | (s5 == 'dream'): 
        s = temp[:-5]
    elif s6 == 'eraser':
        s = temp[:-6]
    elif s7 == 'dreamer':
        s = temp[:-7]
    else:
        print('NO')
        exit()

    if s == '':
        print('YES')
        exit()
Buggy python submission (verdict: Runtime Error):
a,b,x = map(int, input().split())
if x == 1:
    ans = b-a+1
else:
    if a < b:
        if a % x == 0 and b % x == 0:
            ans = (b-a)//x + 1
        elif a % x == 0 or b % x == 0:
            ans = (b-a+1)//x + 1
        else:
            ans = (b-a+1)//x
    else:
        if a % x:
            ans = 0
        else:
            ans = 1

print(ans)



Fixed submission:
a = input().split()
s = a[1][0].upper()
print('A'+s+'C')
Buggy python submission (verdict: Runtime Error):
a = map(int, input().split())
b = max(a)
a.remove(b)
if sum(a) == b:
  print("Yes")
else:
  print("No")


Fixed submission:
a = list(map(int, input().split()))
b = max(a)
a.remove(b)
if sum(a) == b:
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Time Limit Exceeded):
s = input()
ans = 0
while len(set(s)) == 2:
    c = s[0]
    for i in range(len(s)):
        if s[i] != c:
            idx = i
            break
    s = s[i:]
    ans += 1
print(ans)


Fixed submission:
s = input()
ans = 0
while len(s):
    c = s[0]
    for i in range(len(s)):
        if s[i] != c:
            idx = i
            break
        idx2 = i
    if idx2 == len(s)-1:
        break
    s = s[idx:]
    ans += 1

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = [tuple(map(int, input().split())) for _ in range(n)]

s, t = a[0][0], a[0][1]

for i in range(1, n):
    if a[i][0] < a[i][1]:
        j = 1
        while True:
            if a[i][0]*j < s or a[i][1]*j < t:
                pass
            else:
                s = a[i][0]*j
                break
            j += 1

        t = j*a[i][1]

    elif a[i][0] > a[i][1]:
        j = 1
        while True:
            if a[i][1]*j < t or a[i][0]*j < s:
                pass
            else:
                t = a[i][1]*j
                break
            j += 1

        s = j*a[i][0]

    else:
        s, t = max(s, t), max(s,t)

print(s+t)



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

s, t = 1, 1
for i in range(0, n):

    j = max((s+a[i][0]-1)//a[i][0], (t+a[i][1]-1)//a[i][1])
    s, t = a[i][0]*j, a[i][1]*j

print(s+t)
Buggy python submission (verdict: Time Limit Exceeded):
x = input()
while True:
    if "ST" in x:
        i = x.index("ST")
        x = x[:i] + x[i+2:]
    else:
        print(len(x))
        exit()


Fixed submission:
x = input()
stack = []
for s in x:
    if s == "S":
        stack.append(s)
    elif s == "T" and len(stack) == 0 or stack[-1] == "T":
        stack.append(s)
    elif s == "T" and stack[-1] == "S":
        stack.pop()
print(len(stack))
Buggy python submission (verdict: Time Limit Exceeded):
n, a = map(int, input().split())
x = list(map(int, input().split()))
M = max(x)
M = max(M, a)
dp = [[[0]*(n*M+1) for _ in range(n+1)] for _ in range(n+1)]

for j in range(n+1):
    for k in range(n+1):
        for s in range(n*M+1):
            if j == 0 and k == 0 and s == 0:
                dp[j][k][s] = 1
            elif j >= 1 and s < x[j-1]:
                dp[j][k][s] = dp[j-1][k][s]
            elif j >= 1 and k >= 1 and s>= x[j-1]:
                dp[j][k][s] = dp[j-1][k][s] + dp[j-1][k-1][s-x[j-1]]
ans = 0
for k in range(1, n+1):
    ans += dp[n][k][k*a]
print(ans)


Fixed submission:
n, a = map(int, input().split())
x = list(map(int, input().split()))
M = max(x)
M = max(M, a)
dp = [[[0]*(n*M+1) for _ in range(n+1)] for _ in range(n+1)]
dp[0][0][0] = 1
for j in range(n):
    for k in range(n+1):
        for s in range(n*M+1):
            if dp[j][k][s]:
                dp[j+1][k][s] += dp[j][k][s]
                dp[j+1][k+1][s + x[j]] += dp[j][k][s]

ans = 0
for k in range(1, n+1):
    ans += dp[n][k][k*a]
print(ans)

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

for j in range(n+1):
    for k in range(n+1):
        for s in range(n*M+1):
            if j == 0 and k == 0 and s == 0:
                dp[j][k][s] = 1
            elif j >= 1 and s < x[j-1]:
                dp[j][k][s] = dp[j-1][k][s]
            elif j >= 1 and k >= 1 and s>= x[j-1]:
                dp[j][k][s] = dp[j-1][k][s] + dp[j-1][k-1][s-x[j-1]]
            else:
                dp[j][k][s] = 0
ans = 0
for k in range(1, n+1):
    ans += dp[n][k][k*a]
print(ans)


Fixed submission:
n, a = map(int, input().split())
x = list(map(int, input().split()))
M = max(x)
M = max(M, a)
dp = [[[0]*(n*M+1) for _ in range(n+1)] for _ in range(n+1)]
dp[0][0][0] = 1
for j in range(n):
    for k in range(n+1):
        for s in range(n*M+1):
            if dp[j][k][s]:
                dp[j+1][k][s] += dp[j][k][s]
                dp[j+1][k+1][s + x[j]] += dp[j][k][s]

ans = 0
for k in range(1, n+1):
    ans += dp[n][k][k*a]
print(ans)
Buggy python submission (verdict: Runtime Error):
a = map(int, input().split())
if a.sort() == [5,5,7]:
  print('Yes')
else:
  print('No')

Fixed submission:
a = list(map(int, input().split()))
a.sort()
if a == [5,5,7]:
    print('YES')
else:
    print('NO')
Buggy python submission (verdict: Runtime Error):
CA = [list(map(int,input().split())) for _ in range(n)]

ans = 10**9

for i in range(2**n):
    ls = [0] * m
    tmp = 0
    for j in range(n):
        if (i >> j) & 1:
            ls = [l + a for l, a in zip(ls, CA[j][1:])]
            tmp += CA[j][0]
    if all(i >= x for i in ls):
        ans = min(ans, tmp)
print(ans if ans != 10**9 else -1)

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

ans = 10**9

for i in range(2**n):
    ls = [0] * m
    tmp = 0
    for j in range(n):
        if (i >> j) & 1:
            ls = [l + a for l, a in zip(ls, CA[j][1:])]
            tmp += CA[j][0]
    if all(i >= x for i in ls):
        ans = min(ans, tmp)
print(ans if ans != 10**9 else -1)