Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
N, W = map(int, input().split())
knap = []
for i in range(N):
    knap.append(list(map(int, input().split())))
    
dp = [[0 for _ in range(W+1)] for _ in range(N+1)]

for i in range(N):
    for j in range(W+1):
        if(j >= knap[i][0]):
            dp[i+1][j] = max(dp[i][j], dp[i][j-knap[i][0]]+knap[i][1])
        else:
            dp[i+1][j] = dp[i][j]

print(dp[-1][W])

Fixed submission:
import numpy as np

N, W = map(int, input().split())
knap = []

for _ in range(N):
    knap.append(tuple(map(int, input().split())))
    
dp = np.zeros((N+1, W+1), dtype=np.int64)

for i, (w, v) in enumerate(knap):
    dp[i+1] = np.maximum(dp[i+1], dp[i])
    dp[i+1][w:] = np.maximum(dp[i][w:], dp[i][:-w]+v)
       
print(dp[N][-1])

Buggy python submission (verdict: Time Limit Exceeded):
def main():

    N, W = map(int, input().split())
    knap = []

    for i in range(N):
        knap.append(list(map(int, input().split())))
    
    dp = [[0 for _ in range(W+1)] for _ in range(N+1)]

    for i in range(N):
        for j in range(W+1):
            if(j >= knap[i][0]):
                dp[i+1][j] = max(dp[i][j], dp[i][j-knap[i][0]]+knap[i][1])
            else:
                dp[i+1][j] = dp[i][j]

    print(dp[N][W])
main()

Fixed submission:
import numpy as np

N, W = map(int, input().split())
knap = []

for _ in range(N):
    knap.append(tuple(map(int, input().split())))
    
dp = np.zeros((N+1, W+1), dtype=np.int64)

for i, (w, v) in enumerate(knap):
    dp[i+1] = np.maximum(dp[i+1], dp[i])
    dp[i+1][w:] = np.maximum(dp[i][w:], dp[i][:-w]+v)
       
print(dp[N][-1])

Buggy python submission (verdict: Time Limit Exceeded):
N, W = map(int, input().split())
knap = []

for i in range(N):
    knap.append(list(map(int, input().split())))
    
dp = [[0 for _ in range(W+1)] for _ in range(N+1)]

for i in range(N):
    for j in range(W+1):
        if(j >= knap[i][0]):
            dp[i+1][j] = max(dp[i][j], dp[i][j-knap[i][0]]+knap[i][1])
        else:
            dp[i+1][j] = dp[i][j]

print(dp[N][W])

Fixed submission:
import numpy as np

N, W = map(int, input().split())
knap = []

for _ in range(N):
    knap.append(tuple(map(int, input().split())))
    
dp = np.zeros((N+1, W+1), dtype=np.int64)

for i, (w, v) in enumerate(knap):
    dp[i+1] = np.maximum(dp[i+1], dp[i])
    dp[i+1][w:] = np.maximum(dp[i][w:], dp[i][:-w]+v)
       
print(dp[N][-1])
Buggy python submission (verdict: Runtime Error):
import numpy as np

N, W = map(int, input().split())
knap = []
for i in range(N):
    knap.append(tuple(map(int, input().split())))

s_val = sum([v for w, v in knap])
    
INF = float("inf")
dp = np.full(s_val+1, INF)

for i, (w, v) in enumerate(knap):
    dp[v:] = np.minimum(dp[v:], dp[:-v]+w)
    
print(max([i for i in range(s_val+1) if dp[i] <= W]))

Fixed submission:
import numpy as np

N, W = map(int, input().split())
knap = []
for i in range(N):
    knap.append(tuple(map(int, input().split())))

s_val = sum([v for w, v in knap])
    
INF = float("inf")
dp = np.full(s_val+1, INF)
dp[0] = 0

for i, (w, v) in enumerate(knap):
    dp[v:] = np.minimum(dp[v:], dp[:-v]+w)
    
print(max([i for i in range(s_val+1) if dp[i] <= W]))

Buggy python submission (verdict: Time Limit Exceeded):
N, W = map(int, input().split())
knap = []
s_val = 0
for i in range(N):
    knap.append(tuple(map(int, input().split())))
    s_val += knap[i][1]
    
INF = 10**15
dp = [[INF for _ in range(s_val+1)] for _ in range(N+1)]  
dp[0][0] = 0

for i, (w, v) in enumerate(knap):
    for j in range(s_val+1):
        if(j >= v):
            dp[i+1][j] = min(dp[i+1][j], dp[i][j-v]+w)
        
        dp[i+1][j] = min(dp[i][j], dp[i+1][j])

ans = 0
for i in range(s_val+1):
    if(dp[N][i] <= W):
        ans = i
print(ans)

Fixed submission:
import numpy as np

N, W = map(int, input().split())
knap = []
for i in range(N):
    knap.append(tuple(map(int, input().split())))

s_val = sum([v for w, v in knap])
    
INF = float("inf")
dp = np.full(s_val+1, INF)
dp[0] = 0

for i, (w, v) in enumerate(knap):
    dp[v:] = np.minimum(dp[v:], dp[:-v]+w)
    
print(max([i for i in range(s_val+1) if dp[i] <= W]))
Buggy python submission (verdict: Time Limit Exceeded):
def main():
    N, K = map(int, input().split())
    h = [0]*N
    for i in range(N):
        h[i] = int(input())
    hh = sorted(h)

    ans = 10**10
    for i in range(N-K+1):
        ans = min(ans, max(hh[i:i+K])-min(hh[i:i+K]))
    print(ans)
    
main()

Fixed submission:
def main():
    N, K = map(int, input().split())
    h = [0]*N
    for i in range(N):
        h[i] = int(input())
    h.sort()
    
    ans = 10**10
    for i in range(N-K+1):
        ans = min(ans, h[i+K-1]-h[i])
    print(ans)
main()

Buggy python submission (verdict: Runtime Error):
def main():
    N, K = map(int, input().split())
    h = [0]*N
    for i in range(N):
        h[i] = int(input())
    hh = sorted(h)

    for i in range(1, N-K+1):
        ans = min(ans, max(hh[i:i+K])-min(hh[i:i+K]))
    print(ans)
    
main()

Fixed submission:
def main():
    N, K = map(int, input().split())
    h = [0]*N
    for i in range(N):
        h[i] = int(input())
    h.sort()
    
    ans = 10**10
    for i in range(N-K+1):
        ans = min(ans, h[i+K-1]-h[i])
    print(ans)
main()

Buggy python submission (verdict: Time Limit Exceeded):
N, K = map(int, input().split())
h = [0]*N
for i in range(N):
    h[i] = int(input())
hh = sorted(h)

ans = 10**10
for i in range(N-K+1):
    max_h = max(hh[i:i+K])
    min_h = min(hh[i:i+K])
    ans = min(ans, max_h-min_h)
print(ans)

Fixed submission:
def main():
    N, K = map(int, input().split())
    h = [0]*N
    for i in range(N):
        h[i] = int(input())
    h.sort()
    
    ans = 10**10
    for i in range(N-K+1):
        ans = min(ans, h[i+K-1]-h[i])
    print(ans)
main()
Buggy python submission (verdict: Runtime Error):
x, y = map(int, input().split())
print(x + y/c)

Fixed submission:
x,y = map(int,input().split())

print(x+y//2)

Buggy python submission (verdict: Runtime Error):
x, y = map(int, input().split())

print(x+y//c)

Fixed submission:
x,y = map(int,input().split())

print(x+y//2)

Buggy python submission (verdict: Runtime Error):
x, y = map(int, input().split())

print(x+y//c)

Fixed submission:
x,y = map(int,input().split())

print(x+y//2)
Buggy python submission (verdict: Runtime Error):
n = int(input())
t, a = map(int,input().split())

h = list(map(int, (input().split())))
min = abs(a - (t - h[i]*0.006))

for i in range(1, n):
    if(min > abs(a - (t - h[i]*0.006))):
        min = a - (t - h[i]*0.006)
        ans = i+1

print(ans)

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

h = list(map(int, (input().split())))
min = abs(a - (t - h[0]*0.006))
ans = 1

for i in range(1, n):
    if (min > abs(a - (t - h[i]*0.006))):
        min = abs(a - (t - h[i]*0.006))
        ans = i+1

print(ans)
Buggy python submission (verdict: Runtime Error):
import fractions
N, M = map(int, input().split())
S = input()
T = input()

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

len_x = lcm(N, M)
n = [""]*(len_x)    
m = [""]*(len_x)

for i in range(len(S)):
    n[(len_x//N)*i] = S[i]
    
for i in range(len(T)):    
    m[(len_x//M)*i] = T[i]
for i in range(len_x):
    if(n[i] == "" or m[i] == ""):
        continue     
    if(n[i] != m[i]):
        print(-1)
else:
    print(len_x)

Fixed submission:
import fractions
N, M = map(int, input().split())
S = input()
T = input()

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

L = lcm(N, M)
num = lcm(L//N, L//M)

n = (N-1)*(L//N)+1
m = (M-1)*(L//M)+1

if(max(n, m) < num):
    if(S[0] == T[0]):
        print(L)
    else:
        print(-1)
else:
    if(N > M):
        tmp = M//(L//N)
    else:
        tmp = N//(L//M)
    for i in range(tmp):
        if(S[i*L//M] != T[i*L//N]):
            print(-1)
            break
    else:
        print(L)
Buggy python submission (verdict: Runtime Error):
s = input()
flg = True
if(s[0] != "A"):
    flg = False
if(s[2:-1].count("C")!=1):
    flg = False
for i in range(1, len(s)):
    if(s[i] == "C" and i !=len(s)-1):
        continue
    if(s[i].isupper()):
        flg = False

print("AC" if Flg else "WA")

Fixed submission:
s = input()

if(s[0] == "A" and s.count("A") == 1):
    if(s[2:len(s)-1].count("C") == 1 and s.count("C") == 1):
        s = s.replace("C", "")
        s = s.replace("A", "")
        if(s.islower()):
            print("AC")
        else:
            print("WA")
    else: 
        print("WA")
else:
    print("WA")
Buggy python submission (verdict: Runtime Error):
def main():
    N, Ma, Mb = map(int, input().split())
    yakuhin = []
    sa = 0
    sb = 0
    for i in range(N):
        yakuhin.append(list(map(int, input().split())))
        sa += yakuhin[i][0]
        sb += yakuhin[i][1]
    
    INF = 10**15
    DP = [[[INF for _ in range(sb+1)] for _ in range(sa+1)] for _ in range(N+1)]
    
    for i in range(N):
        DP[i][0][0] = 0
    
    for i in range(N):
        for j in range(sa+1):
            for k in range(sb+1):
                if(j >= yakuhin[i][0] and k >= yakuhin[i][1]):
                    DP[i+1][j][k] = min(DP[i][j][k], DP[i][j-yakuhin[i][0]][k-yakuhin[i][1]]+yakuhin[i][2])
                else:
                    DP[i+1][j][k] = min(DP[i+1][j][k], DP[i][j][k])
        
    ans = INF
    for i in range(1, N):
        for j in range(1, sa+1):
            for k in range(1, sb+1):
                if(j*Mb == k*Ma):
                    ans = min(ans, DP[i][j][k])    
        
    print(ans if ans != INF else -1)
    
main()

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

D = []
for i in range(C):
    D.append(list(map(int, input().split())))

cc = [[0]*C for i in range(3)]
for i in range(N):
    color = list(map(int, input().split()))
    for j in range(len(color)):
        cc[(i+j)%3][color[j]-1] += 1
    
iwakan = [[[0, 0] for _ in range(C)] for _ in range(3)]

for i in range(3):
    for j in range(C):
        tmp = 0
        for k in range(len(cc[i])):
            tmp += cc[i][k]*D[k][j]
        iwakan[i][j][0] = tmp
        iwakan[i][j][1] = j

ans = 10**15
for i in range(len(iwakan)):
    iwakan[i] = sorted(iwakan[i], key=lambda x:x[0])
    
for i in range(3):
    for j in range(3):
        if(iwakan[0][i][1] == iwakan[1][j][1]):
            continue
        for k in range(3):
            if(iwakan[0][i][1] == iwakan[2][k][1]):
                continue
            if(iwakan[1][j][1] == iwakan[2][k][1]):
                continue
            ans = min(ans, iwakan[0][i][0]+iwakan[1][j][0]+iwakan[2][k][0])
            
print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))
a.sort(reverse=True)

tmp = 0
num = 0
for i in range(1, n):
    if(a[i] >= a[0]//2):
        aa = a[0]-a[i]
        if(aa >= tmp):
            tmp = aa
            num = a[i]
            
    else:
        if(a[i] >= tmp):
            tmp = aa
            num = a[i]

print(a[0], num)

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

tmp = a[0]//2
s = 10**18
num = 0
for i in range(1, n):
    if(abs(tmp-a[i]) < s):
        s = abs(tmp-a[i])
        num = a[i]

print(a[0], num)
Buggy python submission (verdict: Time Limit Exceeded):
a, b, k = map(int,input().split())
lst = [i for i in range(a, b+1) if i <(a+k) or i > (b-k)]

for i in range(len(lst)):
    print(lst[i])

Fixed submission:
a, b, k = map(int,input().split())
maximum = 0

if(a+k <= b):
    for i in range(a, a+k):
        print(i)
        maximum = i
    for j in range(b-k+1, b+1):
        if(maximum < j):
            print(j)
        
else:
    for i in range(a, b+1):
        print(i)
Buggy python submission (verdict: Runtime Error):
from collections import deque 

def main():
    H, W = map(int, input().split())
    s = []
    num = 0
    for i in range(H):
        s.append(list(input()))
        num += s[i].count("#")
        
    cnt = [[0 for _ in range(W)] for _ in range(H)]
    queue = deque()
    queue.append((0, 0))
    while queue:
        x, y = queue.popleft()
        if(s[x][y] == "#"):
            continue
        if(x == H-1 and y == W-1):
            ans = cnt[x][y]
        s[x][y] = "#"
        
        d = [(-1, 0), (1, 0), (0, 1), (0, -1)]
        for dx, dy in d:
            nx = x + dx
            ny = y + dy
            if(nx < 0 or nx >= H or ny < 0 or ny >= W):
                continue
            queue.append((nx, ny))
            if(s[nx][ny] != "#"):
                cnt[nx][ny] = cnt[x][y]+1
    
    print(H*W-ans-num-1)
    
main()

Fixed submission:
from collections import deque 

def main():
    H, W = map(int, input().split())
    s = []
    num = 0
    for i in range(H):
        s.append(list(input()))
        num += s[i].count("#")
    ans = -1    
    cnt = [[0 for _ in range(W)] for _ in range(H)]
    queue = deque()
    queue.append((0, 0))
    while queue:
        x, y = queue.popleft()
        if(s[x][y] == "#"):
            continue
        if(x == H-1 and y == W-1):
            ans = cnt[x][y]
        s[x][y] = "#"
        
        d = [(-1, 0), (1, 0), (0, 1), (0, -1)]
        for dx, dy in d:
            nx = x + dx
            ny = y + dy
            if(nx < 0 or nx >= H or ny < 0 or ny >= W):
                continue
            queue.append((nx, ny))
            if(s[nx][ny] != "#"):
                cnt[nx][ny] = cnt[x][y]+1
    if(ans == -1):
        print(-1)
    else:
        print(H*W-ans-num-1)
    
main()
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))
cnt = 0

while True:
    c = [i for i in a if i % 2 == 0]
    if(len(c) != n):
        break
    else:
        cnt += 1
        continue
print(cnt)

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
cnt = 0

while True:
    if sum([a[i]%2 for i in range(n)]) == 0:
        a = [int(n/2) for n in a]
        cnt += 1
    else:
        break
print(cnt)
Buggy python submission (verdict: Runtime Error):
N = int(input())
F= [list(map(int, input().split())) for _ in range(N)]
P= [list(map(int, input().split())) for _ in range(N)]

tmp = 0
ans = 0
for i in range(1, 2**10+1):
    tmp = 0
    for j in range(N):
        cnt = 0
        for k in range(10):
            if((i>> k)%2 == 1 and F[j][k] == 1):
                cnt += 1
        tmp += P[j][cnt+1]
    ans = max(ans, tmp)

print(ans)

Fixed submission:
N = int(input())
F= [list(map(int, input().split())) for _ in range(N)]
P= [list(map(int, input().split())) for _ in range(N)]

ans = -10000000000
for mask in range(1, 2**10):
    tmp = 0
    for j in range(N):
        cnt = 0
        for k in range(10):
            if((mask>>k)%2 == 1 and F[j][k] == 1):
                cnt += 1
        tmp += P[j][cnt]
    ans = max(ans, tmp)

print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
F= [list(map(int, input().split())) for _ in range(N)]
P= [list(map(int, input().split())) for _ in range(N)]

num = 0
store = []
second = []
pos = []
ans = 0
min_z = 10**7+1
n = 0
for i in range(N):
    num = F[i].count(1)
    if(max(P[i][:(num+1)]) != P[i][0]):
        ans += max(P[i][:(num+1)])
    else:
        store.append(P[i][0])
        second.append(max(P[i][1:(num+1)]))
        pos.append(i)
if ans:
    for j in pos:
        ans += store[j]
    print(ans)
else:
    for k in range(len(pos)):
        if(store[k]-second[k] < min_z):
            min_z = store[k]-second[k]
            n = k
    ans += second[n]
    for k in range(len(store)):
        if(k == n):
            continue
        ans += store[k]
    print(ans)

Fixed submission:
N = int(input())
F= [list(map(int, input().split())) for _ in range(N)]
P= [list(map(int, input().split())) for _ in range(N)]

ans = -10000000000
for mask in range(1, 2**10):
    tmp = 0
    for j in range(N):
        cnt = 0
        for k in range(10):
            if((mask>>k)%2 == 1 and F[j][k] == 1):
                cnt += 1
        tmp += P[j][cnt]
    ans = max(ans, tmp)

print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())
cnt = 0

def lucas(n, ans1, ans2):
    for _ in range(n-1):
        ans = ans1 + ans2
        ans1 = ans2
        ans2 = ans
    return ans

print(lucas(n, 2, 1))

Fixed submission:
n = int(input())
cnt = 0

def lucas(n, ans1, ans2):
    if(n >= 2):
        for _ in range(n-1):
            ans = ans1 + ans2
            ans1 = ans2
            ans2 = ans
        return ans
            
    elif(n == 0):
        return 2
    elif(n == 1):
        return 1

print(lucas(n, 2, 1))
Buggy python submission (verdict: Runtime Error):
S = input()[::-1]
T = input()[::-1]
Flg = False

ans1 = "z"*len(S)
pos = ""
num = 0
for i in range(len(S)-len(T)+1):
    sl = ""
    sl = S[i:(i+len(T))]
    for j in range(len(T)):
        pos = ""
        if(sl[j] == T[j]):
            if(sl.count("?") >= len(T)-1):
                pos += S[:i]+T+S[(i+len(T)):]
                Flg = True
                if(pos < ans1):
                    ans1 = pos
if(Flg == True):
    ans1 = ans1.replace("?", "a")   
    print(ans)
else:
    print("UNRESTORABLE")

Fixed submission:
S = input()
T = input()
Flg = False

ans1 = "z"*len(S)
pos = ""
num = 0
for i in range(len(S)-len(T)+1):
    sl = ""
    sl = S[i:(i+len(T))]
    for j in range(len(T)):
        pos = ""
        if(sl[j] != "?" and sl[j] != T[j]):
            break
    else:
        pos += S[:i]+T+S[(i+len(T)):]
        if(ans1 > pos):
            ans1 = pos
            Flg = True
                
if(Flg == True):
    ans1 = ans1.replace("?", "a") 
    print(ans1)
else:
    print("UNRESTORABLE")
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
D = list(map(int, input().split()))
M = int(input())
T = list(map(int, input().split()))
s_T = set(T)
Flg = "YES"

for val in s_T:
    if(T.count(val) > D.count(val)):
        Flg = "NO"
        break
print(Flg)

Fixed submission:
from collections import Counter
N = int(input())
D = list(map(int, input().split()))
M = int(input())
T = list(map(int, input().split()))
Flg = "YES"

c1 = Counter(D)
c2 = Counter(T)

for i, val in c2.items():
    if(c1[i] < val):
        Flg = "NO"
        break
print(Flg)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
D = list(map(int, input().split()))
M = int(input())
T = list(map(int, input().split()))
Flg = "YES"

for i in range(M):
    if(T.count(T[i]) > D.count(T[i])):
        Flg = "NO"
        break
print(Flg)

Fixed submission:
from collections import Counter
N = int(input())
D = list(map(int, input().split()))
M = int(input())
T = list(map(int, input().split()))
Flg = "YES"

c1 = Counter(D)
c2 = Counter(T)

for i, val in c2.items():
    if(c1[i] < val):
        Flg = "NO"
        break
print(Flg)
Buggy python submission (verdict: Runtime Error):
N, M, K = map(int, input().split())

for i in range(N+1):
    for j in range(M+1):
        if(i*(M-j)+(N-i)*j == K):
            print("Yes")
            quit()
else:
    print("No")

Fixed submission:
s=input()
if('YAKI' == s[0:4]):
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Runtime Error):
N, M, K = map(int, input().split())
print("Yes" if (N+M)%K == 0 else "No")

Fixed submission:
N, M, K = map(int, input().split())
Flg = "No"

for i in range(N+1):
    for j in range(M+1):
        if(i*(M-j)+(N-i)*j == K):
            Flg = "Yes"
            break
print(Flg)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
a = []
for i in range(N):
    num = int(input())
    if(num not in a):
        a.append(num)
    else:
        a.remove(num)
print(len(a))

Fixed submission:
N = int(input())
A = []
for _ in range(N):
    A.append(int(input()))
A = sorted(A)
cnt = 1
ans = 0

for i in range(N-1):
    if(A[i] == A[i+1]):
        cnt += 1
        continue
    ans += cnt % 2
    cnt = 1

if(cnt % 2 == 1):
    ans += 1

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
a = list(map(int, input().split()))
a.sort()

cnt = []
tmp = a[0]
cnt1 = 1
for i in range(1, N):
    if(abs(tmp-a[i]) <= 2):
        cnt1 += 1
    else:
        cnt.append(cnt1)
        if(abs(a[i]-a[i-1]) <= 1):
            cnt1 = a.count(a[i-1]-1)+a.count(a[i-1])+1
            tmp = a[i-1]-1
        else:
            cnt1 = 1
            tmp = a[i]
if(len(cnt) > 0):
    print(max(cnt1, max(cnt)))
else:
    print(cnt1)

Fixed submission:
import collections

N = int(input())
a = list(map(int, input().split()))
a.sort()
c = collections.Counter(a)

cnt = []
tmp = a[0]
cnt1 = 1
for i in range(1, N):
    if(abs(tmp-a[i]) <= 2):
        cnt1 += 1
    else:
        cnt.append(cnt1)
        if(a[i]-a[i-1] <= 1):
            cnt1 = c.get(a[i-1]-1, 0)+c.get(a[i-1], 0)+1
            tmp = a[i-1]-1
        else:
            cnt1 = 1
            tmp = a[i]
if(len(cnt) > 0):
    print(max(cnt1, max(cnt)))
else:
    print(cnt1)
Buggy python submission (verdict: Runtime Error):
s = input()
a = ascii_lowercase

for i in a:
    if i not in s:
        print(i)
        break
    if i == "z":
        print("None")
        break

Fixed submission:
from string import * 
s = input()
a = ascii_lowercase

for i in a:
    if i not in s:
        print(i)
        break
    if i == "z":
        print("None")
        break

Buggy python submission (verdict: Runtime Error):
s = input()
a = ascii_lowercase

for i in range(len(a)):
    if a[i] not in s:
        print(a[i])
        break
    elif(i == 25):
        print("None")

Fixed submission:
from string import * 
s = input()
a = ascii_lowercase

for i in a:
    if i not in s:
        print(i)
        break
    if i == "z":
        print("None")
        break
Buggy python submission (verdict: Runtime Error):
from fractions import gcd 

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

N = int(input())
T = [0]*N
for i in range(N):
    T[i] = int(input())

num = lcd(T[0], T[1])    
    
for i in range(2, N):
    num = lcd(num, T[i])
print(int(num))

Fixed submission:
import fractions

N = int(input())
T = [int(input()) for _ in range(N)]

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

ans = T[0]

for i in range(N):
    ans = lcm(ans, T[i])

print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())

def gcd(x, y):
    if(y == 0):
        return x
    else:
        return gcd(y, x%y)

def lcm(a, b):
    g = gcd(a, b)
    return ((a*b)/g)

ans = int(input())  
for _ in range(N-1):
    T = int(input())
    ans = lcm(ans, T)
print(int(ans))

Fixed submission:
import fractions

N = int(input())
T = [int(input()) for _ in range(N)]

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

ans = T[0]

for i in range(N):
    ans = lcm(ans, T[i])

print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())

def gcd(x, y):
    if(y == 0):
        return x
    else:
        return gcd(y, x%y)

def lcm(a, b):
    g = gcd(a, b)
    return ((a*b)/g)

ans = 1    
for _ in range(N):
    T = int(input())
    ans = lcm(ans, T)
print(int(ans))

Fixed submission:
import fractions

N = int(input())
T = [int(input()) for _ in range(N)]

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

ans = T[0]

for i in range(N):
    ans = lcm(ans, T[i])

print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
num = int(input())
div_t = 0

for i in range(N-1):
    T = int(input())
    if(max(T, num)%min(T, num) == 0):
        div_T = max(T, num)
    else:
        for j in range(2, 10**18+1):
            if(max(T, num)*j % min(T, num) == 0):
                div_T = max(T, num)*j
                break
print(div_T)   

Fixed submission:
import fractions

N = int(input())
T = [int(input()) for _ in range(N)]

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

ans = T[0]

for i in range(N):
    ans = lcm(ans, T[i])

print(ans)