Harryxun/GPT-100-sft-dataset huggingface dataset:
Problem p02831 (python)

Fixed submission:
import fractions
a,b = map(int,input().split())

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

print(int(lcm(a, b)))

Buggy submission (verdict: Runtime Error):
import fractions
a,b = map(int,input().split())

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

print(int(lcm(a, b)))

Buggy submission (verdict: Runtime Error):
import math
a,b = map(int,input().split())

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

print(lcm(a, b))
Problem p02897 (python)

Fixed submission:
x = input()
xNum = int(x)

if xNum%2 == 0:
  count = xNum/2
else:
  count = int(xNum/2) + 1

print(count/xNum)

Buggy submission (verdict: Runtime Error):
x = input()

if x%2 == 0:
  count = int(x/2)
else:
  count = int(x/2) + 1
Problem p02879 (python)

Fixed submission:
A, B = map(int, input().split())
 
if A < 10 and B < 10:
    print(A*B)
else:
    print(-1)

Buggy submission (verdict: Runtime Error):
def takahashi(A,B):
    if A and B >= 1:
        if A and B <= 9:
            print(A * B)
        else:
            print('-1')
    else:
        print('-1')

A = int(input('数字を入力してくださいA'))
B = int(input('数字を入力してくださいB'))

takahashi(A,B)

Buggy submission (verdict: Runtime Error):
A = int(input())
B = int(input())
 
def takahashi:
  if A and B >= 1:
  	if A and B <= 9:
    
    else print('-1')
    	print(A * B)

Buggy submission (verdict: Runtime Error):
A = int(input())
B = int(input())

def takahashi:
  if A and B >= 1
  	if A and B <= 9
    
    else print('-1')
    	print(A * B)
Problem p02897 (python)

Fixed submission:
N = int(input())

prob_odd = (N //2 + N % 2) / N

print(prob_odd)

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

prob_odd = (N //2 + N % 2) / N

print(prob_odd)
Problem p03018 (python)

Fixed submission:
import math
import numpy as np
import re


def inputs(): return [int(s) for s in input().split()]


def main():
    s = input()
    cnt = 0
    s = s.replace('A', '1').replace('BC', '0')
    arr = re.split('[A-C]', s)
    arr = [list(x) for x in arr]
    flag = True
    while flag:
        flag = False
        for a in arr:
            tmp = 0
            for i in a:
                i = int(i)
                tmp += i
                if i is 0:
                    cnt += tmp

    return cnt


if __name__ == '__main__':
    print(main())

Buggy submission (verdict: Runtime Error):
import math
import numpy as np
import re


def inputs(): return [int(s) for s in input().split()]


def main():
    s = input()
    cnt = 0
    s = s.replace('A', '1').replace('BC', '0')
    arr = re.split('[A-C]', s)
    arr = [list(x) for x in arr]
    flag = True
    while flag:
        flag = False
        for a in arr:
            tmp = 0
            for i in a:
                tmp += i
                if i is 0:
                    cnt += tmp
                    
    return cnt


if __name__ == '__main__':
    print(main())

Buggy submission (verdict: Runtime Error):
import math
import numpy as np
import re


def inputs(): return [int(s) for s in input().split()]


def main():
    s = input()
    cnt = 0
    s = s.replace('A', '1').replace('BC', '0')
    arr = re.split('[A-C]', s)
    arr = [list(x) for x in arr]

    flag = True
    while flag:
        flag = False
        for a in arr:

            for i in range(len(a)-1):
                if a[i] > a[i + 1]:
                    a[i], a[i + 1] = a[i+1], a[i]
                    cnt += 1
                    flag = True
    print(cnt)


if __name__ == '__main__':
    main()
Problem p03038 (python)

Fixed submission:

def main():
    N, M = map(int, input().split())
    A = [int(x) for x in input().split()]
    BC = [list(map(int, input().split())) for i in range(M)]

    BC.sort(key=lambda x: x[1], reverse=True)
    A.sort()
    index = 0
    for j in range(M):
        if index >= N:
            break
        elif A[index] > BC[j][1]:
            break
        for i in range(BC[j][0]):
            if index >= N:
                break
            elif A[index] < BC[j][1]:
                A[index] = BC[j][1]
                index += 1

    print(sum(A))


if __name__ == '__main__':
    main()

Buggy submission (verdict: Runtime Error):

def main():
    N, M = map(int, input().split())
    A = [int(x) for x in input().split()]
    BC = [list(map(int, input().split())) for i in range(M)]

    BC.sort(key=lambda x: x[1], reverse=True)
    A.sort()
    index = 0
    for j in range(M):
        if A[index] > BC[j][1]:
            break
        for i in range(BC[j][0]):
            if index >= N:
                break
            if A[index] < BC[j][1]:
                A[index] = BC[j][1]
                index += 1

    print(sum(A))


if __name__ == '__main__':
    main()

Buggy submission (verdict: Runtime Error):

def main():
    N, M = map(int, input().split())
    A = [int(x) for x in input().split()]
    BC = [[0, 0] for i in range(M)]

    for i in range(M):
        BC[i] = list(map(int, input().split()))
    BC.sort(key=lambda x: x[1], reverse=True)
    A.sort()
    index = 0
    for j in range(M):
        for i in range(BC[j][0]):
            if A[index] < BC[j][1]:
                A[index] = BC[j][1]
                index += 1

    print(sum(A))


if __name__ == '__main__':
    main()
Problem p03042 (python)

Fixed submission:
def main():
    S = input()
    upper = int(S[:2])
    lower = int(S[2:4])
    s = ''
    if upper <= 12 and upper > 0:
        s += 'MM'

    else:
        s += 'YY'

    if lower <= 12 and lower > 0:
        s += 'MM'

    else:
        s += 'YY'

    if s == 'MMMM':
        print('AMBIGUOUS')

    elif s == 'YYYY':
        print('NA')

    else:
        print(s)


if __name__ == '__main__':
    main()

Buggy submission (verdict: Runtime Error):
def main():
    S = input()
    upper = int(S[:2])
    lower = int(S[2:4])

    if upper > 12 and lower > 12:
        print('NA')

    elif upper > 12 and lower > 0:
        print('YYMM')

    elif lower > 12 and upper > 0:
        print('MMYY')

    elif lower == 0 or upper == 0:
        print('NA')

    else:
        print('AMBIGUOUS')

    else:
        print('NA')


if __name__ == '__main__':
    main()
Problem p03104 (python)

Fixed submission:
A, B = map(int, input().split())
ans = 0
cnt = 0
def f(arg):
    ans = 0
    if arg < 0:
        return 0
    for pos in range(1, 41):
        # ループする数
        loop = 1 << pos
        # cnt = sum([int((n & v) / v) for n in range(arg+1)])
        cnt = int((arg + 1) / loop) * (loop >> 1)
        cnt += max(0, (arg + 1) % (loop) - (loop >> 1))
        ans += cnt%2 * (loop>>1)
        # print(arg, pos, loop, cnt, ans)
        if loop > arg:
            break
    return ans
print(f(A-1)^f(B))

Buggy submission (verdict: Runtime Error):
A, B = map(int, input().split())
ans = 0
cnt = 0
def f(arg):
    ans = 0
    for pos in range(40):
        v = 1 << pos
        if v > arg:
            break
        cnt = sum([(n & v) / v for n in range(arg+1)])
        ans += int(cnt%2) << pos
        # print(pos, v, cnt, ans)
    return ans
print(f(A-1)^f(B))

Buggy submission (verdict: Runtime Error):
A, B = map(int, raw_input().split())
ans = 0
cnt = 0

for pos in range(40):
    v = 1 << pos
    if v > B:
        break
    cnt = [(n & v) / v for n in range(A, B+1)]
    ans += sum(cnt)%2 << pos
    # print(pos, v, cnt, ans)
print(ans)

Buggy submission (verdict: Runtime Error):
A, B = map(long, raw_input().split())
ans = 0
msb = B >> (B.bit_length()-1) << (B.bit_length() - 1)
if msb + A > B:
    begin = B
    end = A
else:
    begin = B
    end = msb + A
for i in range(begin, end - 1, -1):
    ans ^= i
if (B - A) % 2 == 1:
    ans += msb
print(ans)

Buggy submission (verdict: Runtime Error):
A, B = map(long, raw_input().split())
ans = 0
msb = B >> (B.bit_length()-1) << (B.bit_length() - 1)
if msb + A > B:
    begin = B
    end = A
else:
    begin = B
    end = msb + A
for i in range(begin, end - 1, -1):
    ans ^= i
if A%2 ^ B%2:
    ans += msb
print(ans)

Buggy submission (verdict: Runtime Error):
A, B = map(long, raw_input().split())
ans = 0
msb = B >> (B.bit_length()-1) << (B.bit_length() - 1)
if msb + A > B:
    pos = A
else:
    pos = msb + A
for i in range(B, A-1, -1):
    ans ^= i
print(ans)

Buggy submission (verdict: Runtime Error):
A, B = map(long, raw_input().split())
ans = 0
for i in range(B, A-1, -1):
    ans ^= i
    if ((B - B >> 1) == i):
        print(ans)
        exit()
    # print(ans, i)
print(ans)

Buggy submission (verdict: Runtime Error):
A, B = map(long, raw_input().split())
ans = 0
for i in range(A, B+1):
    ans ^= i
    # print(ans, i)
print(ans)

Buggy submission (verdict: Runtime Error):
A, B = map(long, raw_input().split())
ans = 0
for i in range(A, B+1):
    ans ^= i
    # print(ans, i)÷
print(ans)

Buggy submission (verdict: Runtime Error):
A, B = map(int, raw_input().split())
ans = 0
for i in range(A, B+1):
    ans ^= i
    # print(ans, i)
print(ans)
Problem p02891 (python)

Fixed submission:
t=str(input())
k=int(input())
L = len(t)
tmp = t[0]
n = 0 #change
flag = 0
for i in range(1,L):
  if flag==1:
    flag=0
  elif t[i]==tmp:
    n+=1
    flag=1  
  tmp=t[i]
ans=k*n
if L>2:
  if t[0]==t[-1] and flag==0:
    u = t[0]+t
    tmp = u[0]
    m = 0 #change
    flag = 0
    for i in range(1,L+1):
      if flag==1:
        flag=0
      elif u[i]==tmp:
        m+=1
        flag=1  
      tmp=u[i]
    if m!=n: 
      ans+=k-1

if t.count(t[0])==L:
  ans=(k*L)//2
print(ans)

Buggy submission (verdict: Runtime Error):
t=str(input())
k=int(input())
L = len(t)
tmp = t[0]
n = 0 #change
flag = 0
for i in range(1,L):
  if flag==1:
    flag=0
  elif t[i]==tmp:# and flag==0:
    n+=1
    flag=1  
  tmp=t[i]
ans=k*n

if t[0]==t[-1] and t[-2]!=t[-1]:
  ans+=k-1
print(ans)
Problem p03041 (python)

Fixed submission:
a,b=map(int,input().split())
b=b-1
s=input()
print(s[0:b].upper()+s[b].lower()+s[b+1:].upper())

Buggy submission (verdict: Runtime Error):
4 3
CABA
Problem p03127 (python)

Fixed submission:
import fractions
N = int(input())
A = list(map(int, input().split()))
GCD_i=A[0]
for i in range(len(A)):
  GCD_i = fractions.gcd(GCD_i,A[i])
print(GCD_i)

Buggy submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))
import math
GCD_i=A[0]
for i in range(len(A)):
  GCD_i = math.gcd(GCD_i,A[i])
print(GCD_i)
Problem p02933 (python)

Fixed submission:
a = int(input())
s =input()
if a < 3200:
    print('red')
else:
    print(s)

Buggy submission (verdict: Runtime Error):
if int(input()) < 3200:
    return 'red'
else:
    return input()

Buggy submission (verdict: Runtime Error):
a = int(input())
s =input()
if a < 3200:
    return 'red'
else:
    return s
Problem p03013 (python)

Fixed submission:
NUM = int(10**9 + 7)

n, m = map(int, input().split())
nums = [int(input()) for _ in range(m)]

if m > 0:
    split = [[0, nums[0] - 1]]
    for i in range(1, m):
        split.append([nums[i - 1] + 1, nums[i] - 1])
    split.append([nums[-1] + 1, n])
else:
    split = [[0, n]]

n_steps = [h - l for l, h in split]

counts = [1, 1]
for _ in range(max(n_steps) - 1):
    c = counts[-1] + counts[-2]
    counts.append(c)

if min(n_steps) < 0:
    print(0)
else:
    res = 1
    for s in n_steps:
        res *= counts[s]
        res %= NUM
    print(res)

Buggy submission (verdict: Runtime Error):
n, m = map(int, input().split())
nums = [int(input()) for _ in range(m)]

NUM = int(10**9 + 7)

split = [[0, nums[0] - 1]]
for i in range(1, m):
    split.append([nums[i - 1] + 1, nums[i] - 1])
split.append([nums[-1] + 1, n])

n_steps = [h - l for l, h in split]

counts = [1, 1, 2]
for _ in range(max(n_steps) - 2):
    c = counts[-1] + counts[-2]
    counts.append(c)

if min(n_steps) < 0:
    print(0)
else:
    res = 1
    for s in n_steps:
        res *= counts[s]
        res %= NUM
    print(res)

Buggy submission (verdict: Runtime Error):
n, m = map(int, input().split())
nums = [int(input()) for _ in range(m)]

NUM = int(10**9 + 7)

split = [[0, nums[0] - 1]]
for i in range(1, m):
    split.append([nums[i - 1] + 1, nums[i] - 1])
split.append([nums[-1] + 1, n])

n_steps = [h - l for l, h in split]

counts = [1, 1, 2]
for _ in range(max(n_steps) - 2):
    c = counts[-1] + counts[-2]
    counts.append(c)

if min(n_steps) < 0:
    print(0)
else:
    res = 1
    for s in n_steps:
        res *= counts[s]
        res %= NUM
    print(res)
Problem p03038 (python)

Fixed submission:
n, m = map(int, input().split())
ls = sorted(map(int, input().split()))
ls2 = [list(map(int, input().split())) for _ in range(m)]
ls2.sort(key=lambda x: (x[1], x[0]), reverse=True)
left = 0
right = 0
index = 0
res = 0
while left < n:
    if index == len(ls2):
        break
    b, c = ls2[index]
    if c <= ls[left]:
        break
    right = left + 1
    while right <= n:
        if right == n:
            res += c * (right - left)
            break
        if ls[right] <= c and right - left < b:
            right += 1
        else:
            res += c * (right - left)
            break
    left = right
    index += 1

print(res + sum(ls[left:]))

Buggy submission (verdict: Runtime Error):
import bisect

n, m = map(int, input().split())
ls = sorted(map(int, input().split()))
ls2 = [list(map(int, input().split())) for _ in range(m)]
ls2.sort(key=lambda x: (x[1], x[0]), reverse=True)
left = 0
res = 0
for b, c in ls2:
    if c <= ls[left]:
        break
    i = bisect.bisect(ls[left:], c)
    i = min(i, b)
    res += c * i
    left += i
print(res + sum(ls[left:]))
Problem p03221 (python)

Fixed submission:
n, m = map(int, input().split())
cities = []
for i in range(m):
    p, y = map(int, input().split())
    cities.append([p, y, i])
cities = sorted(cities, key=lambda x: (x[0], x[1]))

prev = 0
count = 0
res = []
for city in cities:
    if city[0] != prev:
        count = 0
        prev = city[0]
    count += 1
    res.append(['{:06d}{:06d}'.format(city[0], count), city[2]])
res = sorted(res, key=lambda x: x[1])

for x in res:
    print(x[0])

Buggy submission (verdict: Runtime Error):
n, m = map(int, input().split())
cities = []
for i in range(m):
    p, y = map(int, input().split())
    cities.append([p, y, i])
cities = sorted(cities, key=lambda x: (x[0], x[1]))

prev = 0
count = 0
res = []
for city in cities:
    if city[0] != prev:
        count = 0
        prev = city[0]
    count += 1
    res.append([f'{city[0]:06d}{count:06d}', city[2]])
res = sorted(res, key=lambda x: x[1])

for x in res:
    print(x[0])
Problem p03253 (python)

Fixed submission:
import collections
import math

MOD = 10**9 + 7


def eratosthenes(n):
    sieve = [True for _ in range(n + 1)]
    sieve[0] = False
    sieve[1] = False

    def _update(p):
        if sieve[p]:
            for i in range(p * 2, n + 1, p):
                sieve[i] = False

    if n > 1:
        _update(2)
    p = 3
    while p * p <= n:
        _update(p)
        p += 2
    return sieve


n, m = map(int, input().split())
mm = math.ceil(math.sqrt(m))
sieve = eratosthenes(mm)
primes = [i for i in range(mm) if sieve[i]]
counter = collections.Counter()
for p in primes:
    while m % p == 0:
        counter[p] += 1
        m //= p
    if m == 1:
        break
else:
    if m != 1:
        counter[m] += 1

me = max(counter.values()) if len(counter.values()) > 0 else 0
factorials = [1]
for i in range(1, me + 1):
    factorials.append(factorials[-1] * i)

res = 1
for p, e in counter.items():
    for i in range(e):
        res *= e + n - 1 - i
    res //= factorials[e]
    res %= MOD
print(res)

Buggy submission (verdict: Runtime Error):
import collections
import math

MOD = 10**9 + 7


def eratosthenes(n):
    sieve = [True for _ in range(n + 1)]
    sieve[0] = False
    sieve[1] = False

    def _update(p):
        if sieve[p]:
            for i in range(p * 2, n + 1, p):
                sieve[i] = False

    if n > 1:
        _update(2)
    p = 3
    while p * p <= n:
        _update(p)
        p += 2
    return sieve


n, m = map(int, input().split())
mm = math.ceil(math.sqrt(m))
sieve = eratosthenes(mm)
primes = [i for i in range(mm) if sieve[i]]
counter = collections.Counter()
for p in primes:
    while m % p == 0:
        counter[p] += 1
        m //= p
    if m == 1:
        break
else:
    if m != 1:
        counter[m] += 1

me = max(counter.values())
factorials = [1]
for i in range(1, me + 1):
    factorials.append(factorials[-1] * i)

res = 1
for p, e in counter.items():
    for i in range(e):
        res *= e + n - 1 - i
    res //= factorials[e]
    res %= MOD
print(res)
Problem p03634 (python)

Fixed submission:
import sys

sys.setrecursionlimit(10**6)

input = sys.stdin.readline

n = int(input())
ls = [list(map(int, input().split())) for _ in range(n - 1)]

es = [[] for _ in range(n + 1)]
for a, b, c in ls:
    es[a].append((b, c))
    es[b].append((a, c))
ds = [0] * (n + 1)


def dfs(cur, prev, c):
    ds[cur] = ds[prev] + c
    for e, c in es[cur]:
        if e != prev:
            dfs(e, cur, c)


q, k = map(int, input().split())
qs = [list(map(int, input().split())) for _ in range(q)]

dfs(k, k, 0)
for x, y in qs:
    print(ds[x] + ds[y])

Buggy submission (verdict: Runtime Error):
import sys

input = sys.stdin.readline

n = int(input())
ls = [list(map(int, input().split())) for _ in range(n - 1)]

es = [[] for _ in range(n + 1)]
for a, b, c in ls:
    es[a].append((b, c))
    es[b].append((a, c))
ds = [0] * (n + 1)


def dfs(cur, prev, c):
    ds[cur] = ds[prev] + c
    for e, c in es[cur]:
        if e != prev:
            dfs(e, cur, c)


q, k = map(int, input().split())
qs = [list(map(int, input().split())) for _ in range(q)]

dfs(k, k, 0)
for x, y in qs:
    print(ds[x] + ds[y])
Problem p03327 (python)

Fixed submission:
A=int(input())
if A > 999:
  print("ABD" )#+ str(A-1000))
else :
  print("ABC")# + str(A))

Buggy submission (verdict: Runtime Error):
A=int(input())
if A > 999:
  print("ABC" + A)
else :
  print("ABD" + A)
Problem p03767 (python)

Fixed submission:
N = int(input())

a_s = input().split()

for i in range(3*N):
  a_s[i] = int(a_s[i])
  
a_s = sorted(a_s)

a_1 = a_s[:N]
a_2 = a_s[N:]

ans = sum(a_2[0::2])

print(ans)

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

a_s = input().split()

for i in ragne(3*N):
  a_s[i] = int(a_s[i])
  
a_s = sorted(a_s)

a_1 = a_s[:N]
a_2 = a_s[N:]

ans = sum(a_2[0::2])

print(ans)

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

a_s = input().split()

for i in ragne(3*N):
  a_s[i] = int(a_s[i])
  
a_s = sorted(a_s)

a_1 = a_s[:N]
a_2 = a_s[N:]

ans = sum(a_2[0::2])

print(ans)
Problem p02831 (python)

Fixed submission:
import fractions

a, b = map(int, input().split())
answer = a*b//fractions.gcd(a, b)
print(answer)

Buggy submission (verdict: Runtime Error):
import math

a, b = map(int, input().split())
answer = a*b//math.gcd(a, b)
print(answer)
Problem p03072 (python)

Fixed submission:
import sys
 
n=int(input())
h=input().split()
count=0
max=int(h[0])
for i in range(n):
  if int(h[i])>=max:
    max=int(h[i])
    count+=1
print(count)

Buggy submission (verdict: Runtime Error):
import sys
 
n=int(input())
h=input().split()
count=0
max=int(h[0])
for i in range(n):
  if int(h[i])>=max:
    max=int(h[1])
    count+=1
print(count)

Buggy submission (verdict: Runtime Error):
import sys
 
n=int(input())
h=[]
count=0
for i in range(n):
  h.append(int(input()))
  max=h[0]
  if h[i-1]>=max:
    max=h[i-1]
    count+=1
print(count)

Buggy submission (verdict: Runtime Error):
import sys
 
n=int(input())
h=[]
count=0
for i in range(n):
  h.append(int(input()))
  max=h[0]
  if h[i-1]>=max:
    max=h[i-1]
    count+=1
print(count)

Buggy submission (verdict: Runtime Error):
import sys

n=int(input())
h=list()
count=1
for i in range(n):
  h.append(int(input()));
  if i==1:
    max=h[i-1]
  else:
    if h[i-1]>=max:
      max=h[i-1]
      count++
print(count)

Buggy submission (verdict: Runtime Error):
import sys

n=input()
h=list()
count=1
for i in range(n):
  h.append(input());
  if i==1:
    max=h[i]
  else:
    if h[i]>=max:
      max=h[i]
      count++
print(count)
Problem p02829 (python)

Fixed submission:
A = int(input())
B = int(input())

r = list(filter(lambda x: x != A and x != B, [1, 2, 3]))
print(r[0])

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

import fractions

print(int(A * B / fractions.gcd(A, B)))

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

import fraction

print(int(A * B / fraction.gcd(A, B)))

Buggy submission (verdict: Runtime Error):
import math

A, B = input().split()

print(int(A), int(B))
print(int(int(A) * int(B) / math.gcd(A, B)))

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

print(A, B)
#print(int(A * B / math.gcd(A, B)))

Buggy submission (verdict: Runtime Error):
import math

A, B = map(int, input().split())

print(A, B)
#print(int(A * B / math.gcd(A, B)))
Problem p02831 (python)

Fixed submission:
import fractions

A, B = map(int, input().split())

print(int(A * B / fractions.gcd(A, B)))

Buggy submission (verdict: Runtime Error):
import math

A, B = map(int, input().split())

print(int(A * B / math.gcd(A, B)))
Problem p02915 (python)

Fixed submission:
N = int(input())
print(N ** 3)

Buggy submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
C = list(map(int, input().split()))

# print(N, A_LIST, B_LIST, C_LIST)

result = 0

for i in range(N):
    result += B[A[i] - 1]
    if i > 0 and A[i] - 1 == A[i-1]:
        result += C[A[i-1]-1]

print(result)
# 5+8+9+24+15+13
Problem p03209 (python)

Fixed submission:



n, x = (int(x) for x in input().split())

f = [0] * (n+1)
g = [0] * (n+1)
f[0] = 1
g[0] = 1
for i in range(1, n+1):
    f[i] = f[i-1]* 2 + 3
    g[i] = g[i-1]* 2 + 1

total = 0
remain = x

def eat(n):

    global total
    global f
    global remain

    if remain == 0:
        return
    if n < 0:
        return
    if f[n] <= remain:
        total += g[n]
        remain -= f[n]
        return
    if f[n] > remain:
        remain -=1
        if remain == 0:
            return
        if f[n-1] > remain:
            eat(n-1)
        else:
            total += g[n-1]
            remain -= f[n-1]
            if remain == 0:
                return
            total += 1
            remain -= 1
            eat(n-1)

eat(n)
print(total)

Buggy submission (verdict: Runtime Error):



n, x = (int(x) for x in input().split())

f = [0] * (n+1)
g = [0] * (n+1)
f[0] = 1
g[0] = 1
for i in range(1, n+1):
    f[i] = f[i-1]* 2 + 3
    g[i] = g[i-1]* 2 + 1

total = 0
remain = x

def eat(n):

    global total
    global f
    global remain

    if remain == 0:
        return
    if f[n] <= remain:
        total += g[n]
        remain -= f[n]
        return
    if f[n] > remain:
        remain -=1
        if f[n-1] > remain:
            eat(n-1)
        else:
            total += g[n-1]
            remain -= f[n-1]
            total += 1
            remain -= 1
            eat(n-1)

eat(n)
print(total)
Problem p03041 (python)

Fixed submission:
n,k = map(int,input().split())
s = input()
ss = s.lower()
if k == 1:
  print(ss[0]+s[1:n])
elif k == n:
  print(s[0:n-1]+ss[n-1])
else:
  print(s[0:k-1]+ss[k-1]+s[k:n])

Buggy submission (verdict: Runtime Error):
n,k = map(int,input().split())
s = input()
ss = s.lower()
if k == 1:
  print(ss[0]+s[1:n])
elif k == n:
  print(s[0:n-1]+ss[n])
else:
  print(s[0:k-1]+ss[k]+s[k+1:n])

Buggy submission (verdict: Runtime Error):
n,k = map(int, input().split())
s = input()
for i in range(n):
  if i == (k-1):
    a = a + s.lower[i]
  else:
    a = a + s[i]

print(a)