qyliang/CodeNanoFix huggingface dataset:
Buggy code:
N = int(input())
ABC = ["a", "b", "c", "d", "e", "f","g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z" ]
count = []
i = 1
keta = 0
while True:
    if N< 26*(26**i-1)/25:
        keta = i
        break
    else:
        i+=1
n = keta-1
bann = N-26*(26**n-1)/25
#print(keta, bann)
if bann ==0:
    ans2 = []
    for i in range(keta-1):
        ans2.append("z")
    print("".join(ans2))
    
    
else:
    
    bann-=1
    ans1 = []
    while True:
        a = bann//26
        b = bann % 26
        ans1.append(b)
        print(a)
        if a<26:
            if a!=0:
                ans1.append(a)
            break

        bann=a
    print(ans1)
    while len(ans1)<keta:
        ans1.append(0)
    ans2 = []
    print(ans1)
    for i in reversed(ans1):
        ans2.append(ABC[int(i)])
    print("".join(ans2))

Fixed code:
N = int(input())
ABC = ["a", "b", "c", "d", "e", "f","g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z" ]
count = []
i = 1
keta = 0
while True:
    if N< 26*(26**i-1)/25:
        keta = i
        break
    else:
        i+=1
n = keta-1
bann = N-26*(26**n-1)/25
#print(keta, bann)
if bann ==0:
    ans2 = []
    for i in range(keta-1):
        ans2.append("z")
    print("".join(ans2))
    
    
else:
    
    bann-=1
    ans1 = []
    while True:
        a = bann//26
        b = bann % 26
        ans1.append(b)
        #print(a)
        if a<26:
            if a!=0:
                ans1.append(a)
            break

        bann=a
    #print(ans1)
    while len(ans1)<keta:
        ans1.append(0)
    ans2 = []
    #print(ans1)
    for i in reversed(ans1):
        ans2.append(ABC[int(i)])
    print("".join(ans2))
Buggy code:
n=int(input())

alphabet=[None] + [chr(i) for i in range(97,97+26)]

if n<27:
    print(alphabet[n])
    exit()

rest=[]
while n!=0:
    rest.append(n%26)
    n = n // 26
rest.reverse()

for i in range(len(rest)-1):
    if rest[len(rest)-1-i]==0:
        rest[len(rest)-1-i]=26
        rest[len(rest)-2-i]-=1
if rest[0]==0:
    rest=rest[1:]
print(rest)

ans=''
for i in range(len(rest)):
    ans+=alphabet[rest[i]]
print(ans)


Fixed code:
n=int(input())

alphabet=[None] + [chr(i) for i in range(97,97+26)]

rest=[]
while n!=0:
    rest.append(n%26)
    n = n // 26
rest.reverse()

for i in range(len(rest)-1):
    if rest[len(rest)-1-i]<=0:
        rest[len(rest)-1-i]+=26
        rest[len(rest)-2-i]-=1
if rest[0]<=0:
    rest=rest[1:]

ans=''
for i in range(len(rest)):
    ans+=alphabet[rest[i]]
print(ans)
Buggy code:
n=int(input())
l = []
s='abcdefghijklmnopqrstuvwxyz'
while n > 0:
    print(n,n -1// 26, n -1% 26)
    l.append((n-1)%26)
    n = (n -1)// 26
ans = ''
for i in l[::-1]:
    ans += s[i]
print(ans)

Fixed code:
n=int(input())
l = []
s='abcdefghijklmnopqrstuvwxyz'
while n > 0:
    l.append((n-1)%26)
    n = (n -1)// 26
ans = ''
for i in l[::-1]:
    ans += s[i]
print(ans)
Buggy code:
N=int(input())
alphabet='zabcdefghijklmnopqrstuvwxyz'
result = ''
while N > 0:
  result = alphabet[N%26]+result
  if N%26==0:
    N-=1
    N//=26
print(result)

Fixed code:
N=int(input())
alphabet=list('zabcdefghijklmnopqrstuvwxyz')
result = ''
while N > 0:
  result = alphabet[N%26]+result
  if N%26==0:
    N-=1
  N//=26
print(result)
Buggy code:
n = int(input())

x = n 
nums = []
ans = ''
for i in range(1, 11):
    if 26**i >= n:
        for _ in range(i):
            print(x, x%26)
            x -= 1
            l = x % 26
            x //=  26
            nums.append(l)
        break
    else:
        n -= 26**i
        
for _ in nums:
    ans +=(chr(ord('a') + _))
    
print(ans[::-1]) 


Fixed code:
n = int(input())

x = n 
nums = []
ans = ''
for i in range(1, 12):
    if 26**i >= n:
        for _ in range(i):
            x -= 1
            l = x % 26
            x //=  26
            nums.append(l)
        break
    else:
        n -= 26**i
        
for _ in nums:
    ans +=(chr(ord('a') + _))
    
print(ans[::-1])
Buggy code:
n = int(input())

def toa(n):
    return chr((ord('a')+(n)))

temp = n
digit = 1
temp-=26**digit
while temp > 0:
    digit+=1
    temp-=26**digit

k = n - sum([26**(i+1) for i in range(digit-1)])
x = k-1

ans = ''
while x>0:
    ans = toa(x%26)+ans
    x//=26
print(ans)

Fixed code:
n = int(input())

def toa(n):
    return chr((ord('a')+(n)))

temp = n
digit = 1
temp-=26**digit
while temp > 0:
    digit+=1
    temp-=26**digit

k = n - sum([26**(i+1) for i in range(digit-1)])
x = k-1

ans = ''
while x>0:
    ans = toa(x%26)+ans
    x//=26

ans = 'a'*(digit-len(ans)) +ans
print(ans)
Buggy code:
N = int(input()) 
ans=''
for i in range(1, 99):
    if N <= 26 ** i: 
        N -= 1
        for j in range(i):
            ans += chr(ord('a') + N % 26) 
            N //= 26
        break 
else:
    N -= 26 ** i 
print(ans[::-1])

Fixed code:
N=int(input())

ans=''
for i in range(1,99):
    if N<=26**i:
        N-=1
        for j in range(i):
            ans+=chr(ord('a')+N%26)
            N//=26
        break
    else:
        N-=26**i
print(ans[::-1])
Buggy code:
N = int(input())
x = 1
alphabet = {i-96:chr(i) for i in range(97, 97+26)}
if int(N) > 26:
    ans = ''
    while x != 0:
        x = N // 26
        mod = N%26
        print(x, mod)
        if mod == 0:
            ans += 'z'
            x -= 1
        else:
        #print(x, mod, alphabet[mod])
            ans += alphabet[mod]
        N = x
else:
    ans = alphabet[int(N)]
print(ans[::-1])

Fixed code:
N = int(input())
x = 1
alphabet = {i-96:chr(i) for i in range(97, 97+26)}
if int(N) > 26:
    ans = ''
    while x != 0:
        x = N // 26
        mod = N%26
        #print(x, mod)
        if mod == 0:
            ans += 'z'
            #x -= x%26
            x -= 1
        else:
        #print(x, mod, alphabet[mod])
            ans += alphabet[mod]
        N = x
else:
    ans = alphabet[int(N)]
print(ans[::-1])
Buggy code:
N = int(input())
eList = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']
n = N
mod = N
numList = []

while n > 0:
  n, mod = divmod(n,26)
  if mod != 0:
    numList.insert(0, mod - 1)
  else:
    numList.insert(0, 25)
    n -= 1
print(numList)

Fixed code:
N = int(input())
eList = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']
n = N
mod = N
numList = []
 
while n > 0:
  n, mod = divmod(n,26)
  if mod != 0:
    numList.insert(0, mod - 1)
  else:
    numList.insert(0, 25)
    n -= 1
ans =''
for num in numList:
  ans += eList[num]
print(ans)
Buggy code:
N = int(input())
al = 26
i = 1
while N > al**i:
    N -= al**(i)
    i += 1
ans = ''
a = ord('a')
while i > 0:
    ans += chr(a + N // al**i)
    N %= al**i
    print(N)
    i -= 1
print(ans[::-1])

Fixed code:
N = int(input())
al = 26
i = 1
while N > al**i:
    N -= al**(i)
    i += 1
ans = ''
a = ord('a')
while i > 0:
    ans += chr(a + (N-1) // al**(i-1))
    N = (N-1) % al**(i-1) + 1
    i -= 1
print(ans)
Buggy code:
n = int(input())
f = []

if n > 26:
	while n:
		n -= 1
		n, r = divmod(n, 26)
		f += [r]
else:
	f += [n]

g = ''
s = string. ascii_lowercase
f.reverse()
for i in f:
	g += s[i]

print(g)

Fixed code:
import string

n = int(input())
f = []

if n > 26:
	while n:
		n -= 1
		n, r = divmod(n, 26)
		f += [r]
else:
	f += [n-1]

g = ''
s = string. ascii_lowercase
f.reverse()
for i in f:
	g += s[i]

print(g)
Buggy code:
n = int(input())
AL = [chr(ord('a') + i) for i in range(26)]

def number_to_alphabet(n):
    N = n-1
    a = ''
    while True:
        d = N % 26
        a = AL[d]+ a
        if N < 0 : break
        N = N//26-1
    return a

print(number_to_alphabet(n))


Fixed code:
n = int(input())
AL = [chr(ord('a') + i) for i in range(26)]

def number_to_alphabet(n):
    N = n-1
    a = ''
    while True:
        d = N % 26
        a = AL[d]+ a
        if N == 0: break
        N = N//26-1
        if N < 0: break
    return a

print(number_to_alphabet(n))
Buggy code:
num = int(input())
letter = ""
while num > 0:
    num, remainder = divmod(num - 1, 26)
    letter = chr(65 + remainder) + letter
    print(letter.lower())


Fixed code:
num = int(input())
letter = ""
while num > 0:
    num, remainder = divmod(num - 1, 26)
    letter = chr(65 + remainder) + letter
print(letter.lower())
Buggy code:
a = ['', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
 
b = int(input())
 
r = ''
while b > 0:
  c = b % (len(a) - 1)
  r = a[c] + r
  b = int(b / len(a))
print(r)

Fixed code:
a = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
 
b = int(input())
r = ''
while b > 0:
  b -= 1
  c = b % len(a)
  r = a[c] + r
  b = int(b / len(a))
print(r)
Buggy code:
import sys
input = sys.stdin.readline

N=int(input().rstrip('\n'))
alpha = [chr(i) for i in range(ord('a'), ord('z')+1)]
res = []
rest = N
for i in range(N):
  N1 = rest % 26
  rest = rest//26
  res.append(alpha[N1-1])
  if rest < 26:
    rest -= 1
    if rest <1:
      break
print(''.join(res[::-1]))


Fixed code:
import sys
input = sys.stdin.readline

N=int(input().rstrip('\n'))
alpha = [chr(i) for i in range(ord('a'), ord('z')+1)]
res = []
rest = N
for i in range(N):
  N1 = rest % 26
  rest = rest//26
  if N1>0:
    res.append(alpha[N1-1])
  else:
    res.append('z')
    rest -= 1
  if rest == 0:
    break
print(''.join(res[::-1]))
Buggy code:
n = int(input())
s = "abcdefghijklmnopqrstuvwxyz"

l = [26]
for i in range(2, 14):
    a = 26 ** (i) + l[i-2]
    l.append(a)

idx = 0
while True:
    if n <= l[idx]:
        break
    idx += 1

if idx == 0:
    print(s[idx-1])
    exit()

q = n - l[idx-1] - 1

ll = []
for j in range(idx+1):
    q, mod = divmod(q, 26)
    ll.append(mod)

ll.reverse()
ans = ""
for e in ll:
    ans += s[e]

print(ans)


Fixed code:
n = int(input())
s = "abcdefghijklmnopqrstuvwxyz"

l = [26]
for i in range(2, 14):
    a = 26 ** (i) + l[i-2]
    l.append(a)

idx = 0
while True:
    if n <= l[idx]:
        break
    idx += 1

if idx == 0:
    print(s[n-1])
    exit()

q = n - l[idx-1] - 1

ll = []
for j in range(idx+1):
    q, mod = divmod(q, 26)
    ll.append(mod)

ll.reverse()
ans = ""
for e in ll:
    ans += s[e]

print(ans)
Buggy code:
n = int(input())

pre_num = 0
cur_num = 26
length = 1
while n > cur_num:
  length += 1
  pre_num = cur_num
  cur_num += 26 ** length

n -= pre_num
name = []
a = ord('a')
for _ in range(length):
  c = n % 26
  n //= 26
  name.append(chr(a + c))
print(''.join(name[::-1]))

Fixed code:
n = int(input())

pre_num = 0
cur_num = 26
length = 1
while n > cur_num:
  length += 1
  pre_num = cur_num
  cur_num += 26 ** length

n -= pre_num + 1
name = []
a = ord('a')
for _ in range(length):
  c = n % 26
  n //= 26
  name.append(chr(a + c))
print(''.join(name[::-1]))
Buggy code:
n=int(input())
chars = "Xabcdefghijklmnopqrstuvwxyz"

n_rem = n
ans = ""

while True:
    x = n_rem%26
    if x == 0:
        x = 26
    ans += chars[x]

    n_rem -= x

    if n_rem == 0:
        break

    n_rem //==26

print(ans[::-1])

Fixed code:
n=int(input())
chars = "Xabcdefghijklmnopqrstuvwxyz"

n_rem = n
ans = ""

while True:
    x = n_rem%26
    if x == 0:
        x = 26
    ans += chars[x]

    n_rem -= x

    if n_rem == 0:
        break

    n_rem //=26

print(ans[::-1])
Buggy code:
#                           जय श्री राम

import sys; import math; from collections import *
# sys.setrecursionlimit(10**6)

def get_ints(): return map(int, input().split())
def get_list(): return list(get_ints())
def printspx(*args): return print(*args, end="")
def printsp(*args): return print(*args, end=" ")

UGLYMOD = int(1e9+7); SEXYMOD = 998244353; MAXN = int(1e5)

sys.stdin  = open("input.txt","r"); sys.stdout = open("output.txt","w")

# for _testcases_ in range(int(input())):
start =  26
n = int(input())
ans = []
while n:
    ans.append(n%26)
    n //= 26
# print(ans)
ans = ans[::-1]
for i in ans:
    if i == 0:
        i = 26
    printspx(chr(i+ord('a')-1))



'''
>>> COMMENT THE STDIN!! CHANGE ONLINE JUDGE !!
THE LOGIC AND APPROACH IS MINE @luctivud ( UDIT GUPTA )
Link may be copy-pasted here if it's taken from other source.
DO NOT PLAGIARISE.
>>> COMMENT THE STDIN!! CHANGE ONLINE JUDGE !!
'''

Fixed code:
#                           जय श्री राम

import sys; import math; from collections import *
# sys.setrecursionlimit(10**6)

def get_ints(): return map(int, input().split())
def get_list(): return list(get_ints())
def printspx(*args): return print(*args, end="")
def printsp(*args): return print(*args, end=" ")

UGLYMOD = int(1e9+7); SEXYMOD = 998244353; MAXN = int(1e5)

# sys.stdin  = open("input.txt","r"); sys.stdout = open("output.txt","w")

# for _testcases_ in range(int(input())):
n = int(input())
ans = []
while n:
    n -= 1
    n, r = divmod(n, 26)
    ans.append(chr(ord('a') + r))
print("".join(reversed(ans)))



'''
>>> COMMENT THE STDIN!! CHANGE ONLINE JUDGE !!
THE LOGIC AND APPROACH IS MINE @luctivud ( UDIT GUPTA )
Link may be copy-pasted here if it's taken from other source.
DO NOT PLAGIARISE.
>>> COMMENT THE STDIN!! CHANGE ONLINE JUDGE !!
'''
Buggy code:
n = int(input())
ans = []

s == 0
while 1:
    if s == 1 and n < 1:
        break
    s = 1
    if n%26 == 0:
        ans.append(0)
    else:
        ans.append(n%26)
    n -= n%26
    n = n//26
for i in range(len(ans)):
    if i != len(ans)-1:
        if ans[i] <= 0:
            ans[i+1] -= 1
            ans[i] += 26
    else:
        if ans[i] <= 0:
            del ans[i]
ans = ans[::-1]
for i in range(len(ans)):
    print(chr(96+ans[i]),end="")
print("")

Fixed code:
n = int(input())
ans = []

s = 0
while 1:
    if s == 1 and n < 1:
        break
    s = 1
    if n%26 == 0:
        ans.append(0)
    else:
        ans.append(n%26)
    n -= n%26
    n = n//26
for i in range(len(ans)):
    if i != len(ans)-1:
        if ans[i] <= 0:
            ans[i+1] -= 1
            ans[i] += 26
    else:
        if ans[i] <= 0:
            del ans[i]
ans = ans[::-1]
for i in range(len(ans)):
    print(chr(96+ans[i]),end="")
print("")
Buggy code:
N = int(input())
li = list('abcdefghijklmnopqrstuvwxyz')
ans = []
count = 0
num = 0
i = 1
while count < N:
    count += 26 ** i
    num += 1
    i += 1
if num != 1:
    N -= 26 ** (num - 1)
N -= 1
for j in range(num):
    div, mod = divmod(N, 26)
    ans.append(li[mod])
    N = div
ans = ans[::-1]
for a in ans:
    print(a, end='')


Fixed code:
N = int(input())
li = list('abcdefghijklmnopqrstuvwxyz')
ans = []
count = 0
num = 0
i = 1
while count < N:
    count += 26 ** i
    num += 1
    i += 1
for j in range(1, num):
    N -= 26 ** j
N -= 1
for j in range(num):
    div, mod = divmod(N, 26)
    ans.append(li[mod])
    N = div
ans = ans[::-1]
for a in ans:
    print(a, end='')
Buggy code:
n=int(input())
N=n
a=["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]
t=1
for i in range(1,20):
    if n>26**i:
        n=n-26**i
        t+=1
print(t)
p=[0]*t
s=0
A=""
for i in range(1,t+1):
    s=N%26
    N=(N-s)//26
    p[t-i]=s
print(p)
for i in range(t):
    A+=(a[p[i]-1])
print(A)

Fixed code:
n=int(input())
N=n
a=["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]
t=1
for i in range(1,20):
    if n>26**i:
        n=n-26**i
        t+=1
p=[0]*t
s=0
A=""
for i in range(1,t+1):
    s=N%26
    if s==0:
        s=26
    N=(N-s)//26
    p[t-i]=s
for i in range(t):
    A+=(a[p[i]-1])
print(A)
Buggy code:
N = int(input())
ans = ''
for i in range(1, 99):
    if N <= 26 ** i:
        N -= 1
        for j in range(i):
            ans += chr(ord('a') + N % 26)
            N //= 26
            break
    else:
        N -= 26 ** i
print(ans[::-1])


Fixed code:
N = int(input())
ans = ''
for i in range(1, 99):
    if N <= 26 ** i:
        N -= 1
        for j in range(i):
            ans += chr(ord('a') + N % 26)
            N //= 26
        break
    else:
        N -= 26 ** i
print(ans[::-1])
Buggy code:
N = int(input())
ans = ''
while N > 0:
    N -= 1
    ans += chr(ord('a' + N % 26))
    N //= 26
print(ans[::-1])


Fixed code:
n = int(input())
ans = ''
while n > 0:
    n -= 1
    ans += chr(ord('a') + n % 26)
    n //= 26
print(ans[::-1])
Buggy code:
import string
alphabets = "abcdefghijklmnopqrstuvwxyz"
n = 26

ans = ''
tmp = int(input())
while tmp >= n:
    tmp -= 1
    idx = tmp % n
    ans = alphabets[idx] + ans
    tmp //= n
print(ans)


Fixed code:
import string
alphabets = "abcdefghijklmnopqrstuvwxyz"
n = 26

ans = ''
tmp = int(input())
while tmp > 0:
    tmp -= 1
    idx = tmp % n
    ans = alphabets[idx] + ans
    tmp //= n
print(ans)
Buggy code:
import string
from collections import deque

letters=string.ascii_lowercase

N = int(input())

ans = deque()
while True:
    x = N//26
    y = N%27
    ans.appendleft(letters[y-1])
    N = x
    if N == 0 or N == 1:
        break

print(*ans, sep="")

Fixed code:
import string
from collections import deque

letters=string.ascii_lowercase

N = int(input())

ans = deque()
while True:
    N -= 1
    x = N//26
    y = N%26
    ans.appendleft(letters[y])
    N = x
    if N == 0:
        break

print(*ans, sep="")
Buggy code:
def num2alpha(num):
    if num<=26:
        return chr(64+num)
    elif num%26==0:
        return num2alpha(num//26-1)+chr(90)
    else:
        return num2alpha(num//26)+chr(64+num%26)
n=int(input())
p=num2alpha(n)
p=p.lower()
p

Fixed code:
def num2alpha(num):
    if num<=26:
        return chr(64+num)
    elif num%26==0:
        return num2alpha(num//26-1)+chr(90)
    else:
        return num2alpha(num//26)+chr(64+num%26)
n=int(input())
p=num2alpha(n)
p=p.lower()
print(str(p))
Buggy code:
import sys
sys.setrecursionlimit(10**7)

readline = sys.stdin.buffer.readline
def readstr():return readline().rstrip().decode()
def readstrs():return list(readline().decode().split())
def readint():return int(readline())
def readints():return list(map(int,readline().split()))
def printrows(x):print('\n'.join(map(str,x)))
def printline(x):print(' '.join(map(str,x)))

n = readint()

a = ord('a')
ans = []
i = 1
while n:
    if n>26**i:
        n-=26**i
        i+=1
    else:
        if n%26==0:
            ans.append('z')
            n = n//26-1
        else:
            ans.append(chr(n%26+a))
            n//=26

ans.reverse()
print(''.join(ans))


Fixed code:
import sys
sys.setrecursionlimit(10**7)

readline = sys.stdin.buffer.readline
def readstr():return readline().rstrip().decode()
def readstrs():return list(readline().decode().split())
def readint():return int(readline())
def readints():return list(map(int,readline().split()))
def printrows(x):print('\n'.join(map(str,x)))
def printline(x):print(' '.join(map(str,x)))

n = readint()

a = ord('a')-1
ans = []
i = 1
while n:
    if n%26==0:
        ans.append('z')
        n = n//26-1
    else:
        ans.append(chr(n%26+a))
        n//=26

ans.reverse()
print(''.join(ans))
Buggy code:
n=int(input())

while n>=0:
  n=n-1 ##for tracking last character
  z+= chr( n%26 + ord('a') )
  n=n//26
print(z[::-1])
  

Fixed code:
n=int(input())
z=""
while n>0:
  n=n-1 ##for tracking last character
  z+= chr( n%26 + ord('a') )
  n=n//26
print(z[::-1])
Buggy code:
n = int(input())
mod = 26

i= 0
name = ''
while n>0:
    n -= 1
    name += chr(ord('a')+n%mod)
    n //= mod


print(name)

Fixed code:
n = int(input())
mod = 26

i= 0
name = ''
while n>0:
    n -= 1
    name += chr(ord('a')+n%mod)
    n //= mod


print(name[::-1])
Buggy code:
N=int(input())
ans=''

while N>0:
    N-=1
    print(N,N%26)
    ans+=chr(ord('a')+N%26)
    N//=26

print(ans[::-1])



Fixed code:
N=int(input())
ans=''

while N>0:
    N-=1
    ans+=chr(ord('a')+N%26)
    N//=26

print(ans[::-1])
Buggy code:
N = int(input())
ans = ''
for i in range(1,99):
    if N <= 26**i:
        N-=1
        for j in range(i):
            ans+=chr(ord('a')+N%26)
            N//=26
    else:
        N-=26**i
print(ans[::-1])

Fixed code:
n = int(input())
ans = ''
for i in range(1,99):
    if(n <= 26**i):
        n-=1
        for j in range(i):
            ans += chr(ord('a') + n%26)
            n//=26
        break
    else:
        n-= 26**i
print(ans[::-1])
Buggy code:
import sys
sys.setrecursionlimit(10**6)

n = int(input())

d = {(i-97+1):chr(i)%26 for i in range(97,97+26)}
#d[0] = 'z'

l = []

while n > 0:
    tmp = n%26
    l.append(tmp)
    if tmp == 0:
        n = n//26-1
    else:
        n //= 26

ans = ''

for i in l[::-1]:
    ans += d[i]
    
print(ans)

Fixed code:
import sys
sys.setrecursionlimit(10**6)

n = int(input())

d = {(i-97+1):chr(i) for i in range(97,97+26)}
d[0] = 'z'

l = []

while n > 0:
    tmp = n%26
    l.append(tmp)
    if tmp == 0:
        n = n//26-1
    else:
        n //= 26

ans = ''

for i in l[::-1]:
    ans += d[i]
    
print(ans)
Buggy code:
abc = ['a','b','c','d','e','f','g','h','i','j','k',
'l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']

ans = []
def rec(n):
    #print(n)
    if n>26:
        ans.append(abc[int(n%26)])
        return rec(int(n/26))
        #ans.append(abc[int(n%26)])
        #print(n%26)
    else:
       ans.append(abc[int(n-1)])
       #print(n%26)
N = int(input())
rec(N)
for i in range(len(ans)-1,-1,-1):
    print(ans[i],end="")

Fixed code:
abc = ['a','b','c','d','e','f','g','h','i','j','k',
'l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']

ans = []
def rec(n):
    #print(n,int(n/26),n%26,abc[n%26])
    n-=1
    ans.append(abc[n%26])
    #print(n)
    if n>=26:
        #ans.append(abc[int(n%26)-1])
        return rec(int(n/26))
        #ans.append(abc[int(n%26)])
        #print(n%26)
    else:
        pass
       #ans.append(abc[int(n)])
       #print(n%26)
N = int(input())
rec(N)
#i=N

for i in range(len(ans)-1,-1,-1):
    print(ans[i],end="")
Buggy code:
n = int(input())

keta = 0
tmp = 26
beki = [26]

while True:
    if n <= beki[-1]:
        break
    tmp *= 26
    beki.append(beki[-1] + tmp)
    keta += 1
print(f'beki={beki}')
n_tmp = n
ans_num = []

n_tmp -= beki[keta - 1] + 1
for i in range(keta):
    waru = 26**(keta - i)
    print(f'n_tmp={n_tmp}, waru={waru}')
    x = (n_tmp) // waru
    ans_num.append(x)
    n_tmp -= x * waru
    print(x,n_tmp)

ans_num.append(n_tmp)
print(f'keta={1+keta}')
ans = ''

print(f'ans_num={ans_num}, n_tmp={n_tmp}')
for d in ans_num:
    ans += chr(d + 97)

if n <= 26:
    print(chr(n + 96))
else:
    print(ans)

Fixed code:
n = int(input())

keta = 0
tmp = 26
beki = [26]

while True:
    if n <= beki[-1]:
        break
    tmp *= 26
    beki.append(beki[-1] + tmp)
    keta += 1
n_tmp = n
ans_num = []

n_tmp -= beki[keta - 1] + 1
for i in range(keta):
    waru = 26**(keta - i)
    x = (n_tmp) // waru
    ans_num.append(x)
    n_tmp -= x * waru

ans_num.append(n_tmp)
ans = ''

for d in ans_num:
    ans += chr(d + 97)

if n <= 26:
    print(chr(n + 96))
else:
    print(ans)
Buggy code:
n = int(input())
ans = []
keta = n//26
while n != 0 and n != 1:
    i = n%26
    if i == 0:
        o = 'z'
        n = n//26 -1
    else:
        o = chr(n%26 +96)
        n //= 26
    ans.append(o)
ans = reversed(ans)
print(''.join(ans))

Fixed code:
n = int(input())
ans = []
keta = n//26
while n != 0:
    i = n%26
    if i == 0:
        o = 'z'
        n = n//26 -1
    else:
        o = chr(n%26 +96)
        n //= 26
    ans.append(o)
ans = reversed(ans)
print(''.join(ans))
Buggy code:
# author:  Taichicchi
# created: 15.09.2020 21:11:53

import sys

N = int(input())
ans = ''
while N > 0:
N -= 1
ans += chr(ord('a') + N % 26)
N //= 26
print(ans[::-1])


Fixed code:
# author:  Taichicchi
# created: 15.09.2020 21:11:53

import sys

N = int(input())
ans = ''
while N > 0:
    N -= 1
    ans += chr(ord('a') + N % 26)
    N //= 26
print(ans[::-1])