Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
n,k=map(int,input().split())
x=list(map(int,input().split()))
x.append(0)
x.sort()
x_0=x.index(0)

if x_0 == 0:
    print(x[k])
elif x_0==n:
    print(-x[-k-1])
else:
    r = min(n-x_0-1, k)
    l = min(x_0, k)
    ans1=float("inf")
    ans2=float("inf")
    #スタートで正に移動
    for i in range(1,r):
        s = 2*x[x_0 + i] - x[x_0 - (k-i)]
        ans1=min(ans1, s)
    for i in range(1,l):
        s = -2*x[x_0 - i] + x[x_0 + (k-i)]
        ans2=min(ans2, s)
    print(min(ans1, ans2))


Fixed submission:
n,k=map(int,input().split())
x=list(map(int,input().split()))
x.append(0)
x.sort()
x_0=x.index(0)

if x_0 == 0:
    print(x[k])
elif x_0==n:
    print(-x[-k-1])
else:
    r = min(n-x_0, k)
    l = min(x_0, k)
    ans1=float("inf")
    ans2=float("inf")
    #スタートで正に移動
    for i in range(1,r+1):
        if  k-i <= l:
            s = 2*x[x_0 + i] - x[x_0 - (k-i)]
            ans1=min(ans1, s)
    #スタートで負に移動
    for i in range(1,l+1):
        if k-i <= r:
            s = -2*x[x_0 - i] + x[x_0 + (k-i)]
            ans2=min(ans2, s)
    print(min(ans1, ans2))

Buggy python submission (verdict: Runtime Error):
n,k=map(int,input().split())
x=list(map(int,input().split()))
x.append(0)
x.sort()
x_0=x.index(0)

if x_0 == 0:
    print(x[k])
elif x_0==n:
    print(x[-k])
else:
    r = min(n-x_0-1, k)
    l = min(x_0, k)
    ans1=float("inf")
    ans2=float("inf")
    #スタートで正に移動
    for i in range(1,r):
        s = 2*x[x_0 + i] - x[x_0 - (k-i)]
        ans1=min(ans1, s)
    for i in range(1,l):
        s = -2*x[x_0 - i] + x[x_0 + (k-i)]
        ans2=min(ans2, s)
    print(min(ans1, ans2))

Fixed submission:
n,k=map(int,input().split())
x=list(map(int,input().split()))
x.append(0)
x.sort()
x_0=x.index(0)

if x_0 == 0:
    print(x[k])
elif x_0==n:
    print(-x[-k-1])
else:
    r = min(n-x_0, k)
    l = min(x_0, k)
    ans1=float("inf")
    ans2=float("inf")
    #スタートで正に移動
    for i in range(1,r+1):
        if  k-i <= l:
            s = 2*x[x_0 + i] - x[x_0 - (k-i)]
            ans1=min(ans1, s)
    #スタートで負に移動
    for i in range(1,l+1):
        if k-i <= r:
            s = -2*x[x_0 - i] + x[x_0 + (k-i)]
            ans2=min(ans2, s)
    print(min(ans1, ans2))
Buggy python submission (verdict: Runtime Error):
s=input()
k=int(input())
print(int(s[1]) if s[0]=="1" else s[0])

Fixed submission:
s=list(input())
k=int(input())

if s[:k].count("1") ==k:print(1)
else:
    for i in range(k):
        if s[i]!="1":
            print(s[i])
            break
Buggy python submission (verdict: Runtime Error):
n,Y = map(int,input().split())
x = -1
y = -1
z = -1

for i in range(Y//10000 + 1):
    for j in range(n-i+1):
        if 9*i + 4*j == Y/1000 - n:
            x = i
            y = j
            z = n-i-j
print(x,y,z)

Fixed submission:
print("2018"+input()[4:])
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a_l=sorted(map(int,input().split()))
a_s=set(a_l)
cnt = 0

for a1 in a_s:
    cnt1 = a_l.count(a1)
    cnt2 = cnt1 - a1
    if cnt2 >= 0:
        cnt += cnt2
    else:
        cnt += cnt1
print(cnt)

Fixed submission:
n=int(input())
a_l=sorted(map(int,input().split()))
a_l.append("!")
cnt = 1
ans = 0

for i in range(1,n+1):
    a1 = a_l[i-1]
    a2 = a_l[i]
    if a1 == a2:
        cnt += 1
    else:
        if cnt - a1 >= 0:
            ans += cnt - a1
        else:
            ans += cnt
        cnt = 1

print(ans)
Buggy python submission (verdict: Runtime Error):
a,b,c=int(input());print(a+b+c)

Fixed submission:
a,b,c=input();print(int(a)+int(b)+int(c))
Buggy python submission (verdict: Runtime Error):
num = list(range(100))
num[0] = 2
num[1] = 1
n = int(input())

for i in range(2,n+1):
    num[i] = num[i-2] + num[i-1]

print(num[n])


Fixed submission:
a,b,c,d = input()

if (a == b and b == c) or (b == c and c == d):
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
num = list(range(86))
num[0] = 2
num[1] = 1

for i in range(2,86):
    num[i] = num[i-2] + num[i-1]

print(num[int(input())])


Fixed submission:
num = list(range(87))
num[0] = 2
num[1] = 1

for i in range(2,87):
    num[i] = num[i-2] + num[i-1]

print(num[int(input())])
Buggy python submission (verdict: Runtime Error):
s=input()
n = 2**(len(s)-1)
ans=""

for i in range(n):
    t = ""
    a = str(bin(i))[2:].zfill(len(s)-1)
    for j in range(len(a)):
        if a[j] == "1":
            t += s[j] + "+"
        else:
            t += s[j]
    t += s[-1]
    if eval(t)==7:
        ans = t + "=7"
        break
print(ans)

Fixed submission:
s=input()
n = 2**(len(s)-1)
ans=""

for i in range(n):
    t = ""
    a = str(bin(i))[2:].zfill(len(s)-1)
    for j in range(len(a)):
        if a[j] == "1":
            t += s[j] + "+"
        else:
            t += s[j] + "-"
    t += s[-1]
    if eval(t)==7:
        ans = t + "=7"
        break
print(ans)
Buggy python submission (verdict: Runtime Error):
s = input()
t = input()
num_s = len(s)
num_t = len(t)
idx_t = []

def match(s,i):
	if s[i] == t[0]:
		for j in range(num_t):
			if s[i+j] not in (t[j],'?'):
				return False
		else:
			return i
	else:
		return False

for i in range(num_s-num_t+1):
	idx = match(s,i)
	if idx != False:
		idx_t.append(idx)

if len(idx_t) == 0:
	print('UNRESTORABLE')
else:
	s0 = s
	s_l = []
	for i in idx_t:
		if i+num_t < num_s:
		  s0 = s0[:i] + t + s0[i+t:]
		else:
			s0 = s0[:i] + t
		s_l.append(s0)
	ans = min(s_l)
	print(ans.replace('?','a',100))
	
				

Fixed submission:
s = input()
t = input()
num_s = len(s)
num_t = len(t)
idx_t = []

def match(s,i):
	if s[i] in (t[0],'?'):
		for j in range(num_t):
			if s[i+j] not in (t[j],'?'):
				return '!'
		return i
	else:
		return '!'

for i in range(num_s-num_t+1):
	idx = match(s,i)
	if idx != '!':
		idx_t.append(idx)

if len(idx_t) == 0:
	print('UNRESTORABLE')
else:
	s0 = s
	s_l = []
	for i in idx_t:
		if i == 0:
			s1 = t + s0[num_t:]
		elif i != num_s-num_t:
		  s1 = s0[:i] + t + s0[i+num_t:]
		else:
			s1 = s0[:i] + t
		s_l.append(s1)
	ans = min(s_l)
	print(ans.replace('?','a',100))
Buggy python submission (verdict: Runtime Error):
n=int(input())
d=sorted(map(int,input().split()))
m=int(input())
t=sorted(map(int,input().split()))

d_dic = dict()
t_dic = dict()

for i in range(n):
    d1 = d[i]
    if d1 not in d_dic.keys():
        d_dic[d1] = 1
    else:
        d_dic[d1] += 1
for i in range(m):
    t1 = t[i]
    if t1 not in t_dic.keys():
        t_dic[t1] = 1
    else:
        t_dic[t1] += 1

ans = 0

for i in t_dic.keys():
    if t_dic[i] > d_dic[i]:
        ans = 1
        break

if ans == 1:
    print("NO")
else:
    print("YES")

Fixed submission:
n=int(input())
d=sorted(map(int,input().split()))
m=int(input())
t=sorted(map(int,input().split()))

d_dic = dict()
t_dic = dict()

for i in range(n):
    d1 = d[i]
    if d1 not in d_dic.keys():
        d_dic[d1] = 1
    else:
        d_dic[d1] += 1

ans = 0

for i in range(m):
    t1 = t[i]
    if t1 in d_dic.keys():
        d_dic[t1] -= 1
        if d_dic[t1] < 0:
            ans = 1
            break
    else:
        ans = 1
        break
    
if ans == 1:
    print("NO")
else:
    print("YES")
Buggy python submission (verdict: Time Limit Exceeded):
s=set()
for i in range(int(input())):
    s=s^{input()}
print(len(s))

Fixed submission:
n=int(input())
s=set()
for i in range(n):
    s^={input()}
print(len(s))
Buggy python submission (verdict: Runtime Error):
a,b,c,d = map(int,input().split())

print(min(b, d) - max(a, c))

Fixed submission:
N = input()

if N[0] == N[2]:print("Yes")
else:print("No")
Buggy python submission (verdict: Runtime Error):
def gcd(a, b):
    while b:
        a, b = b, a % b
    return a

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

n=int(input())
t0=int(input())
t1=int(input())
t_lcm=lcm(t0,t1)
for i in range(n-2):
    t2=int(input())
    t_lcm=lcm(t_lcm,t2)
print(t_lcm)

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

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

n=int(input())
t0=int(input())
if n==1:
    print(t0)
else:
    t1=int(input())
    t_lcm=lcm(t0,t1)
    for i in range(n-2):
        t2=int(input())
        t_lcm=lcm(t_lcm,t2)
    print(t_lcm)
Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
l=sorted([list(map(int,input().split())) for _ in range(m)])
ans=0
a=0
for i in range(m):
    if l[i][0]!=1:
        a=i
        break
for i in range(a):
    for j in range(a,m):
        if set(l[i])^set(l[j])=={1,n}:
            ans=1
            break
print("POSSIBLE" if ans==1 else "IMPOSSIBLE")

Fixed submission:
n,m=map(int,input().split())
sa=set()
sb=set()
for i in range(m):
    a,b=map(int,input().split())
    if a==1:sa.add(b)
    if b==n:sb.add(a)
print("IMPOSSIBLE" if len(sa&sb)==0 else "POSSIBLE")

Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
l=sorted([list(map(int,input().split())) for _ in range(m)])
ans=0
for i in range(m):
    if l[i][0]!=1:break
    else:
        for j in range(i+1,m):
            if set(l[i])^set(l[j])=={1,n}:
                ans=1
                break
print("POSSIBLE" if ans==1 else "IMPOSSIBLE")

Fixed submission:
n,m=map(int,input().split())
sa=set()
sb=set()
for i in range(m):
    a,b=map(int,input().split())
    if a==1:sa.add(b)
    if b==n:sb.add(a)
print("IMPOSSIBLE" if len(sa&sb)==0 else "POSSIBLE")
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(input().split())
ans = a[0]
for i in range(n):
	if i%2 == 0 and i != 0:
		ans = ans + ' ' + a[i]
	elif i%2 != 0:
		ans = a[i] + ' ' + ans
if n%2 != 0 and n != 1:
	print(ans[::-1])
else:
	print(ans)

Fixed submission:
n = int(input())
a = list(input().split())
a1 = ['']*(n//2 + n%2)
a2 = ['']*(n//2)

for i in range(n):
	if i%2 == 0:
		a1[i//2] = a[i]
	else:
		a2[-i//2] = a[i]

if n%2 != 0 and n != 1:
	ans = ' '.join(a1[::-1]) + ' ' + ' '.join(a2[::-1])
elif n%2 == 0:
	ans = ' '.join(a2) + ' ' + ' '.join(a1)
else:
	ans = a[0]
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
A=list(input().split())
B=[]
import queue
q=queue.Queue()
for a in A:q.put(a)
while not q.empty():
    B.append(q.get())
    B=B[::-1]
print(*B)
    

Fixed submission:
n = int(input())
a = list(input().split())
a1 = ['']*(n//2 + n%2)
a2 = ['']*(n//2)

for i in range(n):
	if i%2 == 0:
		a1[i//2] = a[i]
	else:
		a2[-i//2] = a[i]

if n%2 != 0 and n != 1:
	ans = ' '.join(a1[::-1]) + ' ' + ' '.join(a2[::-1])
elif n%2 == 0:
	ans = ' '.join(a2) + ' ' + ' '.join(a1)
else:
	ans = a[0]
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
A=list(input().split())
B=[]
import queue
q=queue.Queue()
for a in A:q.put(a)
while not q.empty():
    B.append(q.get())
    B=B[::-1]
print(" ".join(B))

Fixed submission:
n = int(input())
a = list(input().split())
a1 = ['']*(n//2 + n%2)
a2 = ['']*(n//2)

for i in range(n):
	if i%2 == 0:
		a1[i//2] = a[i]
	else:
		a2[-i//2] = a[i]

if n%2 != 0 and n != 1:
	ans = ' '.join(a1[::-1]) + ' ' + ' '.join(a2[::-1])
elif n%2 == 0:
	ans = ' '.join(a2) + ' ' + ' '.join(a1)
else:
	ans = a[0]
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
A=list(input().split())
B=[]
import queue
q=queue.Queue()
for a in A:q.put(a)
while not q.empty():
    B.append(q.get())
    B.reverse()
print(" ".join(B))

Fixed submission:
n = int(input())
a = list(input().split())
a1 = ['']*(n//2 + n%2)
a2 = ['']*(n//2)

for i in range(n):
	if i%2 == 0:
		a1[i//2] = a[i]
	else:
		a2[-i//2] = a[i]

if n%2 != 0 and n != 1:
	ans = ' '.join(a1[::-1]) + ' ' + ' '.join(a2[::-1])
elif n%2 == 0:
	ans = ' '.join(a2) + ' ' + ' '.join(a1)
else:
	ans = a[0]
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
A=list(input().split())
from collections import deque
q=deque()
for a in A:
    q.append(a)
    q.reverse()
print(" ".join(list(q)))

Fixed submission:
n = int(input())
a = list(input().split())
a1 = ['']*(n//2 + n%2)
a2 = ['']*(n//2)

for i in range(n):
	if i%2 == 0:
		a1[i//2] = a[i]
	else:
		a2[-i//2] = a[i]

if n%2 != 0 and n != 1:
	ans = ' '.join(a1[::-1]) + ' ' + ' '.join(a2[::-1])
elif n%2 == 0:
	ans = ' '.join(a2) + ' ' + ' '.join(a1)
else:
	ans = a[0]
print(ans)
Buggy python submission (verdict: Runtime Error):
n=int(input())
S=sorted([int(input()) for _ in range(n)])
ans=sum(S)
i=0
while ans%10 == 0:
    ans-=S[i]
    i+=1
print(ans)

Fixed submission:
n=int(input())
S=sorted([int(input()) for _ in range(n)])
ans=sum(S)
i=0
while S!=[] and ans%10==0:
    for s in S:
        if (ans-s)%10!=0:
            ans-=s
            break
    if ans%10==0:ans-=S.pop(0)
print(ans)
Buggy python submission (verdict: Runtime Error):
O = input()
E = input()

for i in range(len(O)):
    print(O[i] + E[i], end="")

Fixed submission:
o = list(input())
e = list(input()) + [""]

for x,y in zip(o,e):print(x + y, end = "")

Buggy python submission (verdict: Runtime Error):
O = input()
E = input()

for i in range(len(a)):
    print(O[i] + E[i], end="")

Fixed submission:
o = list(input())
e = list(input()) + [""]

for x,y in zip(o,e):print(x + y, end = "")
Buggy python submission (verdict: Runtime Error):
from collections import deque
s = input()
n = len(s)

deque = deque()
deque.append(0)

def str_plus(i):
    s1 = s[i]
    if s1 == "d":
        if s[i:i+5] == "dream":
            if s[i+5:i+7] == "er":
                return [i+5,i+7]
            else:
                return [i+5]
    if s1 == "e":
        if s[i:i+5] == "erase":
            if s[i+5] == "r":
                return [i+5,i+6]
            else:
                return [i+5]

ans = "NO"

while deque:
    i = deque.pop()
    if i == n:
        ans = "YES"
        break
    l = str_plus(i)
    if l != None:
        deque.extend(l)

print(ans)

Fixed submission:
s = input()[::-1]
l = [ 'dream', 'dreamer', 'erase', 'eraser']
for i in range(4):
	s1 = l[i][::-1]
	l[i] = s1

n = len(s)
i = 0
t = tuple(l)

while i < n:
	judge = 0
	s_l = []
	for j in (5,6,7):
		if n-i >= j:
			s1 = s[i:i+j]
			if s1 in t:
				i += j
				judge = 1
	
	if judge == 0:
		break

if i == n:
	print('YES')
else:
	print('NO')

Buggy python submission (verdict: Runtime Error):
from collections import deque
str_l = ["dream", "dreamer", "erase" ,"eraser"]
s = input()
n = len(s)

deque = deque()
deque.append(0)

def str_plus(i):
    s1 = s[i]
    if s1 == "d":
        if s[i:i+5] == "dream":
            if s[i+5:i+7] == "er":
                return [i+5,i+7]
            else:
                return [i+5]
        else:
            return False
    if s1 == "e":
        if s[i:i+5] == "erase":
            if s[i+5] == "r":
                return [i+5,i+6]
            else:
                return [i+5]
        else:
            return False

ans = "NO"

while deque:
    i = deque.pop()
    if i == n:
        ans = "YES"
        break
    l = str_plus(i)
    if l != False and l != None:
        deque.extend(l)

print(ans)

Fixed submission:
s = input()[::-1]
l = [ 'dream', 'dreamer', 'erase', 'eraser']
for i in range(4):
	s1 = l[i][::-1]
	l[i] = s1

n = len(s)
i = 0
t = tuple(l)

while i < n:
	judge = 0
	s_l = []
	for j in (5,6,7):
		if n-i >= j:
			s1 = s[i:i+j]
			if s1 in t:
				i += j
				judge = 1
	
	if judge == 0:
		break

if i == n:
	print('YES')
else:
	print('NO')
Buggy python submission (verdict: Runtime Error):
s=input()
if(s=="ABC"):
  print("ARC")
 else:
  print("ABC")

Fixed submission:
s=input()
if(s=="ABC"):
  print("ARC")
else:
  print("ABC")
Buggy python submission (verdict: Runtime Error):
a = int(input())
b = int(input())

if a >= 0 and a <= 5:
    print(0)
if a >= 6 and a <= 12:
    print(b//2)
if a >= 16 and a <= 100:
    print(b)


Fixed submission:
line = input().split()
a = int(line[0])
b = int(line[1])


if a >= 0 and a <= 5:
    print(0)
if a >= 6 and a <= 12:
    print(b//2)
if a >= 13 and a <= 100:
    print(b)

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

if 0 <= a <= 5:
    print(0)
if 6 <= a <= 12:
    print(b//2)
if 16 <= a <= 100:
    print(b)


Fixed submission:
line = input().split()
a = int(line[0])
b = int(line[1])


if a >= 0 and a <= 5:
    print(0)
if a >= 6 and a <= 12:
    print(b//2)
if a >= 13 and a <= 100:
    print(b)
Buggy python submission (verdict: Runtime Error):
in = input()
d = {'SUN': 7, 'MON': 6, 'TUE': 5, 'WED': 4, 'THU': 3, 'FRI': 2, 'SAT': 1}
print(d[in])

Fixed submission:
a = input()
d = {'SUN': 7, 'MON': 6, 'TUE': 5, 'WED': 4, 'THU': 3, 'FRI': 2, 'SAT': 1}
print(d[a])
Buggy python submission (verdict: Runtime Error):
s = input()

if s == "Sunny":
  	print("Cloudy")
else if s == "Cloudy":
  	print("Rainy")
else:
  	print("Sunny")

Fixed submission:
s = input()
 
if s == "Sunny":
  	print("Cloudy")
elif s == "Cloudy":
  	print("Rainy")
else:
  	print("Sunny")
Buggy python submission (verdict: Runtime Error):
s = input()

for i in range(s.len()):
  if (i % 2 == 0 and s[i] == 'L') or (i % 2 == 1 and s[i] == 'R'):
    print("No")
    exit()

print("Yes")

Fixed submission:
s = input()
 
for i in range(len(s)):
  if (i % 2 == 0 and s[i] == 'L') or (i % 2 == 1 and s[i] == 'R'):
    print("No")
    exit()

print("Yes")
Buggy python submission (verdict: Runtime Error):
s = input()

flag = False

for i in range(4):
    if s[i] == s[i + 1]:
        flag = True
        break

if flag:
    print("Bad")
else:
    print("Good")

Fixed submission:
s = input()

flag = False

for i in range(1, 4):
    if s[i - 1] == s[i]:
        flag = True
        break

if flag:
    print("Bad")
else:
    print("Good")
Buggy python submission (verdict: Runtime Error):
n, l = map(int, input().split())
 
total = 0
min_taste = 1000000000
 
for i in range(n):
    taste = l + i
    total += taste
    if abs(taste) < abs(min_taste):
        min_taste = taste
 
print(total - dis_min)

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

taste_list = []

dis_min = 1000000000

for i in range(n):
    taste = l + i
    taste_list.append(taste)
    if abs(taste) < abs(dis_min):
        dis_min = taste

print(sum(taste_list) - dis_min)
Buggy python submission (verdict: Time Limit Exceeded):
s, t = map(str, [input() for _ in range(2)])

_s, _t = set(s), set(t)

if len(_s) != len(_t):
    print("No")
    exit(0)

for i in range(len(s)):
    if s.count(s[i]) != t.count(t[i]):
        print("No")
        exit(0)
    
    s.replace(s[i], "")
    t.replace(t[i], "")

print("Yes")



Fixed submission:
s, t = [input() for _ in range(2)]

while True:
    if s == "":
        break

    s = s.replace(s[0], "")
    t = t.replace(t[0], "")
    
    if len(s) != len(t):
        print("No")
        exit(0)

print("Yes")

Buggy python submission (verdict: Time Limit Exceeded):
s, t = map(str, [input() for _ in range(2)])

_s, _t = set(s), set(t)

if len(_s) != len(_t):
    print("No")
    exit(0)

for i in range(len(s)):
    if s[i] == t[i]:
        continue
    
    if s.count(s[i]) != t.count(t[i]):
        print("No")
        exit(0)

print("Yes")


Fixed submission:
s, t = [input() for _ in range(2)]

while True:
    if s == "":
        break

    s = s.replace(s[0], "")
    t = t.replace(t[0], "")
    
    if len(s) != len(t):
        print("No")
        exit(0)

print("Yes")
Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())

ans = 0

for a in range(k, n + 1, k):
    for b in range(k, n + 1, k):
        for c in range(k, n + 1, k):
            ans += 1

if k % 2 == 0:
    for a in range(int(k / 2), n + 1, k):
        for b in range(int(k / 2), n + 1, k):
            for c in range(int(k / 2), n + 1, k):
                ans += 1

print(ans)

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

ans = 0
t = 0

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

ans **= 3

if k % 2 == 0:
    for j in range(int(k / 2), n + 1, k):
        t += 1
    
    ans += t ** 3

print(ans)
Buggy python submission (verdict: Runtime Error):
def main():
    X=int(input())
    start=0
    while(True):
        back=X-pow(start,5)
        A_back=int(pow(back,1/5))

        front=X+pow(start,5)
        A_front=int(pow(front,1/5))
        if(pow(A_back,5)==back):
            A=A_back
            B=-start
            break
        elif(pow(A_front,5)==front):
            A=A_front
            B=start
            break
        else:
            start+=1
    print(A,B)
if __name__=='__main__':
    main()

Fixed submission:
def main():
    X=int(input())
    start=0
    back=-1
    while(True):
        back=X-pow(start,5)
        if back>0:
            A_back=int(pow(back,1/5))
        else:
            A_back=-int(pow(-back,1/5))

        front=X+pow(start,5)
        if front>0:
            A_front=int(pow(front,1/5))
        else:
            A_front=-int(pow(-front,1/5))
        if(pow(A_back,5)==back):
            A=A_back
            B=-start
            break
        elif(pow(A_front,5)==front):
            A=A_front
            B=start
            break
        else:
            start+=1
    print(A,B)
if __name__=='__main__':
    main()
Buggy python submission (verdict: Runtime Error):
def main():
    N,M=map(int,input().split())
    a=1
    b=N-1
    for i in range(1,M+1):
        print(a,b)
        a+=1
        b-=1
if __name__=='__main__':
    main()


Fixed submission:
def makeSeqList(N,M,curList,res):
    if len(curList)==N:
        res.append(curList.copy())
        return

    for i in range(1,M+1):
        if len(curList)!=0 and i<curList[-1]:
            continue
        curList.append(i)
        makeSeqList(N,M,curList,res)
        del curList[-1]

def main():
    N,M,Q=map(int,input().split())
    quadList=[]
    for _ in range(Q):
        quadList.append(list(map(int,input().split())))
    res=[]
    makeSeqList(N,M,[],res)
    ans=-1
    for sequence in res:
        summ=0
        for q in quadList:
            if (sequence[q[1]-1]-sequence[q[0]-1])==q[2]:
                summ+=q[3]
        ans=max(ans,summ)
    print(ans)

if __name__=='__main__':
    main()
Buggy python submission (verdict: Runtime Error):
def f(A,B,x):
    return (((A*x)//B)-(A*(x//B)))
def main():
    A,B,N=map(int,input().split())
    lb=1
    ub=min(B-1,N)
    while(lb<=ub):
        mid=(lb+ub)//2
        if f(A,B,mid)<N:
            lb=mid+1
        elif f(A,B,mid)>N:
            ub=mid-1
        else:
            break
    print(f(A,B,mid))
if __name__=='__main__':
    main()

Fixed submission:
def f(A,B,x):
    return (((A*x)//B)-(A*(x//B)))
def main():
    A,B,N=map(int,input().split())
    x=min(N,B-1)
    print(f(A,B,x))
if __name__=='__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
from collections import Counter
def main():
    S=input()
    remainders=[0]
    sub=0
    for i in range(len(S)-1,-1,-1):
        sub=int(S[i])*pow(10,len(S)-i-1)+sub
        remainders.append(sub%2019)
    d=Counter(remainders)
    ans=0
    for key in d:
        ans+=(d[key]*(d[key]-1))//2
    print(ans)
if __name__=='__main__':
    main()

Fixed submission:
from collections import Counter
def main():
    S=input()
    remainders=[0]
    sub=0
    pow10=1
    for i in range(len(S)-1,-1,-1):
        remainders.append((remainders[-1]+pow10*int(S[i]))%2019)
        pow10=((pow10%2019)*(10%2019))%2019
    d=Counter(remainders)
    ans=0
    for key in d:
        ans+=(d[key]*(d[key]-1))//2
    print(ans)
if __name__=='__main__':
    main()
Buggy python submission (verdict: Runtime Error):
a = int(input())
b = int(input())
c = int(input())
#swapping a and b
temp = a
a = b
b = temp

#swapping a and c
temp = a
a = c
c = temp

print(str(a)+"␣"+str(b)+"␣"+str(c))

Fixed submission:
numbers = input().split()
numbers = list(map(int, numbers))
a = numbers[0]
b = numbers[1]
c = numbers[2]

temp = a
a = b
b = temp

temp = a
a = c
c = temp

print(str(a) + " " + str(b) + " " + str(c))