Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())

field = []
for i in range(n + 2):
    row = [0 for j in range(m + 2)]
    field.append(row)
#print(field)

for i in range(1, n + 1):
    for j in range(1, m + 1):
        field[i][j] = 1
#print(field)

for i in range(1, n + 1):
    for j in range(1, m + 1):
        # 左上
        field[i - 1][j - 1] *= -1
        # 上
        field[i - 1][j] *= -1
        # 右上
        field[i - 1][j + 1] *= -1
        # 左
        field[i][j - 1] *= -1
        # 自分
        field[i][j] *= -1
        # 右
        field[i][j + 1] *= -1
        # 左下
        field[i + 1][j - 1] *= -1
        # 下
        field[i + 1][j] *= -1
        # 右下
        field[i + 1][j + 1] *= -1

count = 0
for i in range(1, n + 1):
    for j in range(1, m + 1):
        if field[i][j] == -1:
            count += 1

print(count)


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

x = n - 2
if x < 0:
    x = 0

y = m - 2
if y < 0:
    y = 0

if n == 1 and m == 1:
    print(1)
elif n == 1 and m > 1:
    print(y)
elif n > 1 and m == 1:
    print(x)
else:
    print(x * y)
Buggy python submission (verdict: Runtime Error):
import math

inn = [int(x) for x in input().split()]
aa = []
bb = []
for i in range(inn[0]):
    tmp = [int(x) for x in input().split()]
    aa.append(tmp[0])
    bb.append(tmp[1])

maxaa = max(aa)
ba = [x for x in bb if x > maxaa]
sumba = sum(ba)
lenba = len(ba)
if sumba == inn[1]:
    print(lenba)
    exit()
elif sumba > inn[1]:
    count = lenba
    tot = sumba
    for b in sorted(ba):
        tot -= b
        if tot < inn[1]:
            print(count)
            exit()
        count -= 1
else:
    count = lenba + math.ceil((inn[1]-sumba)/max(aa))
    print(count)


Fixed submission:
indate = input().split('/')
outdate = ['2018'] + indate[1:3]
print('/'.join(outdate))
Buggy python submission (verdict: Runtime Error):
inn=int(input())
sizes = []
for i in range(inn):
  sizes.append(int(input())

ans = len(set(sizes))
print(ans)

Fixed submission:
inn = int(input())
sizes = set()
for i in range(inn):
    sizes.add(int(input()))
ans = len(sizes)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import math

inn = [int(x) for x in input().split()]
aa = []
bb = []
for i in range(inn[0]):
    tmp = [int(x) for x in input().split()]
    aa.append(tmp[0])
    bb.append(tmp[1])

count = 0
tot = 0
ba = list(filter((lambda x: x > max(aa)), bb))
if sum(ba) == inn[1]:
    print(len(ba))
    exit()
elif sum(ba) > inn[1]:
    for b in sorted(ba, reverse=True):
        tot += b
        count += 1
        if tot >= inn[1]:
            print(count)
            exit()
else:
    tot = sum(ba)
    count = len(ba) + math.ceil((inn[1]-tot)/max(aa))
    print(count)


Fixed submission:
import math

inn = [int(x) for x in input().split()]
aa = []
bb = []
for i in range(inn[0]):
    tmp = [int(x) for x in input().split()]
    aa.append(tmp[0])
    bb.append(tmp[1])

maxaa = max(aa)
ba = [x for x in bb if x > maxaa]
sumba = sum(ba)
lenba = len(ba)
if sumba == inn[1]:
    print(lenba)
    exit()
elif sumba > inn[1]:
    count = lenba
    tot = sumba
    for b in sorted(ba):
        tot -= b
        if tot < inn[1]:
            print(count)
            exit()
        count -= 1
else:
    count = lenba + math.ceil((inn[1]-sumba)/max(aa))
    print(count)

Buggy python submission (verdict: Time Limit Exceeded):
import math

inn = [int(x) for x in input().split()]
aa = []
bb = []
for i in range(inn[0]):
    tmp = [int(x) for x in input().split()]
    aa.append(tmp[0])
    bb.append(tmp[1])

count = 0
tot = 0
for b in sorted(bb, reverse=True):
    if b <= max(aa):
        count += math.ceil((inn[1]-tot)/max(aa))
        tot = inn[1]
        print(count)
        break
    tot += b
    count += 1
    if tot >= inn[1]:
        print(count)
        break

if tot < inn[1]:
    count = inn[0] + math.ceil((inn[1]-sum(bb))/max(aa))
    print(count)


Fixed submission:
import math

inn = [int(x) for x in input().split()]
aa = []
bb = []
for i in range(inn[0]):
    tmp = [int(x) for x in input().split()]
    aa.append(tmp[0])
    bb.append(tmp[1])

maxaa = max(aa)
ba = [x for x in bb if x > maxaa]
sumba = sum(ba)
lenba = len(ba)
if sumba == inn[1]:
    print(lenba)
    exit()
elif sumba > inn[1]:
    count = lenba
    tot = sumba
    for b in sorted(ba):
        tot -= b
        if tot < inn[1]:
            print(count)
            exit()
        count -= 1
else:
    count = lenba + math.ceil((inn[1]-sumba)/max(aa))
    print(count)
Buggy python submission (verdict: Runtime Error):
from itertools import accumulate, islice
from bisect import bisect_left
 
n = int(input())
xs = [int(x) for x in input().split()]
 
ys = list(accumulate(xs))
zs, total = ys[:-1], ys[-1]
 
res = max(xs) - min(xs)
for i, z in islice(enumerate(zs), 1, n-1):
    j = bisect_left(zs, z//2)
    splits = ((zs[j+k], z - zs[j+k]) for k in (-1, 0, 1) if 0 <= j+k <= i)
    a, b = min(splits, key=lambda s:abs(s[0]-s[1]))
 
    j = bisect_left(zs, (total - z)//2 + z)
    splits = ((zs[j+k] - z, total - zs[j+k]) for k in (-1, 0, 1) if i <= j+k <= n-2)
    c, d = min(splits, key=lambda s:abs(s[0]-s[1]))
 
    minn, _, _, maxx = sorted((a,b,c,d))
    if maxx - minn < res:
        res = maxx - minn
 
print(res)

Fixed submission:
n = int(input())
print(2*n if n%2 else n)
Buggy python submission (verdict: Time Limit Exceeded):
from itertools import count, takewhile

def dfs(n):
  if n < 6:
    return n
  max9 = max(takewhile(lambda x: x<=n, (9**i for i in count())))
  max6 = max(takewhile(lambda x: x<=n, (6**i for i in count())))
  return min(dfs(n-max9), dfs(n-max6))+1

print(dfs(int(input())))

Fixed submission:
from itertools import takewhile, chain, count
 
n = int(input())
 
def powers(a, n):
   return takewhile(lambda x: x<=n, (a**i for i in count(1)))
 
draws = sorted(set(chain([1], powers(6, n), powers(9, n))))
d = {}
for draw, last_draw in zip(draws[1:], draws):
  d[draw, 0] = 0
  for i in range(1, n+1):
    d[draw, i] = min(d.get((draw, i-draw), n)+1, d.get((last_draw, i), i))
 
print(d.get((max(draws), n), n))

Buggy python submission (verdict: Runtime Error):
from itertools import takewhile, chain, count

n = int(input())

def powers(a, n):
   return takewhile(lambda x: x<=n, (a**i for i in count(1)))

draws = sorted(set(chain([1], powers(6, n), powers(9, n))))
d = {}
for draw, last_draw in zip(draws[1:], draws):
  d[draw, 0] = 0
  for i in range(1, n+1):
    d[draw, i] = min(d.get((draw, i-draw), n)+1, d.get((last_draw, i), i))

print(d[max(draws), n])

Fixed submission:
from itertools import takewhile, chain, count
 
n = int(input())
 
def powers(a, n):
   return takewhile(lambda x: x<=n, (a**i for i in count(1)))
 
draws = sorted(set(chain([1], powers(6, n), powers(9, n))))
d = {}
for draw, last_draw in zip(draws[1:], draws):
  d[draw, 0] = 0
  for i in range(1, n+1):
    d[draw, i] = min(d.get((draw, i-draw), n)+1, d.get((last_draw, i), i))
 
print(d.get((max(draws), n), n))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
xs = list(map(int, input().split()))
 
ans = 0
sums = 0
xors = 0
for i in range(n):
  for j in range(i, n):
    sums += xs[j]
    xors ^= xs[j]
    if sums == xors:
      ans += 1
    else:
      break
  sums = 0
  xors = 0
print(ans)

Fixed submission:
n = int(input())
xs = list(map(int, input().split()))
 
ans = 0
sums = xs[0]
xors = xs[0]
i, j = 0, 0

while True:
  if xors == sums:
    ans += j - i + 1
    j += 1
    if j >= n: break
    sums += xs[j]
    xors ^= xs[j]
  else:
    sums -= xs[i]
    xors ^= xs[i]
    i += 1
    
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
xs = list(map(int, input().split()))

ans = 0
sums = 0
xors = 0
for i in range(n):
  for j in range(i, n):
    sums += xs[j]
    xors ^= xs[j]
    if sums == xors:
      ans += 1
  sums = 0
  xors = 0
print(ans)

Fixed submission:
n = int(input())
xs = list(map(int, input().split()))
 
ans = 0
sums = xs[0]
xors = xs[0]
i, j = 0, 0

while True:
  if xors == sums:
    ans += j - i + 1
    j += 1
    if j >= n: break
    sums += xs[j]
    xors ^= xs[j]
  else:
    sums -= xs[i]
    xors ^= xs[i]
    i += 1
    
print(ans)

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

ans = 0
sums = 0
xors = 0
for i in range(n):
  for j in range(i, n):
    sums += xs[j]
    xors ^= xs[j]
    if sums == xors:
      ans += 1
  sums = 0
  xors = 0
print(ans)

Fixed submission:
n = int(input())
xs = list(map(int, input().split()))
 
ans = 0
sums = xs[0]
xors = xs[0]
i, j = 0, 0

while True:
  if xors == sums:
    ans += j - i + 1
    j += 1
    if j >= n: break
    sums += xs[j]
    xors ^= xs[j]
  else:
    sums -= xs[i]
    xors ^= xs[i]
    i += 1
    
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from functools import partial, reduce
xor = partial(reduce, lambda x,y: x^y)
n = int(input())
xs = list(map(int, input().split()))
sections = (xs[i:j] for i in range(n) for j in range(i+1, n+1))
print(sum(sum(x)==xor(x) for x in sections))

Fixed submission:
n = int(input())
xs = list(map(int, input().split()))
 
ans = 0
sums = xs[0]
xors = xs[0]
i, j = 0, 0

while True:
  if xors == sums:
    ans += j - i + 1
    j += 1
    if j >= n: break
    sums += xs[j]
    xors ^= xs[j]
  else:
    sums -= xs[i]
    xors ^= xs[i]
    i += 1
    
print(ans)
Buggy python submission (verdict: Runtime Error):
n, m = map(int, input().split())
ps = [int(p) for p in input().split()]
xys = [tuple(map(int, input().split())) for _ in range(m)]
 
union = {node:node for node in range(n)}
 
def root(node):
    if union[node] == node:
        return node
    union[node] = root(union[node])
    return union[node]
 
for x, y in xys:
    union[root(x)] = root(y)
 
print(sum(root(i+1) == root(p) for i, p in enumerate(ps)))

Fixed submission:
n, m = map(int, input().split())
ps = [int(p)-1 for p in input().split()]
xys = [tuple(int(x)-1 for x in input().split()) for _ in range(m)]

nodes = range(n)
union = {node:node for node in nodes}

def root(node, previouss=None):
    if not previouss:
        previouss = []

    if union[node] == node:
        for previous in previouss:
            union[previous] = node
        return node
    else:
        previouss.append(node)
        return root(union[node], previouss)

for x, y in xys:
    rx = root(x)
    ry = root(y)
    union[rx] = ry

groups = {node:{node} for node, rootn in union.items() if node==rootn} 
for node in nodes:
    if node in groups:
        continue
    group = groups[root(node)]
    group.add(node)
    groups[node] = group

print(sum(p in groups[i] for i, p in enumerate(ps)))
Buggy python submission (verdict: Runtime Error):
from itertools import accumulate, chain
 
n, c = map(int, input().split())
xs, vs = zip(*(map(int, input().split()) for _ in range(n)))
 
ds = [j - i for i, j in zip(chain([0], xs), chain(xs, [c]))]
 
clockwise1      = chain([0], (v - d*2 for v, d in zip(accumulate(vs), accumulate(ds))))
anticlockwise1  = chain([0], (v - d for v, d in zip(accumulate(vs[::-1]), accumulate(ds[::-1]))))
clock_anticlock = (x + y for x, y in zip(clockwise1, reversed(list(accumulate(anticlockwise1, func=max)))))
 
anticlockwise2  = chain([0], (v - d*2 for v, d in zip(accumulate(vs[::-1]), accumulate(ds[::-1]))))
clockwise2      = chain([0], (v - d for v, d in zip(accumulate(vs), accumulate(ds))))
anticlock_clock = (x + y for x, y in zip(anticlockwise2, reversed(list(accumulate(clockwise2, func=max)))))
 
print(max(chain(anticlock_clock, clock_anticlock)))
from itertools import accumulate, chain

n, c = map(int, input().split())
xs, vs = zip(*(map(int, input().split()) for _ in range(n)))

ds = [j - i for i, j in zip(chain([0], xs), chain(xs, [c]))]

clockwise1      = chain([0], (v - d*2 for v, d in zip(accumulate(vs), accumulate(ds))))
anticlockwise1  = chain([0], (v - d for v, d in zip(accumulate(vs[::-1]), accumulate(ds[::-1]))))
clock_anticlock = (x + y for x, y in zip(clockwise1, reversed(list(accumulate(anticlockwise1, func=max)))))

anticlockwise2  = chain([0], (v - d*2 for v, d in zip(accumulate(vs[::-1]), accumulate(ds[::-1]))))
clockwise2      = chain([0], (v - d for v, d in zip(accumulate(vs), accumulate(ds))))
anticlock_clock = (x + y for x, y in zip(anticlockwise2, reversed(list(accumulate(clockwise2, func=max)))))
 
print(max(chain(clock_anticlock, anticlock_clock)))

Fixed submission:
from itertools import accumulate

n, c = map(int, input().split())
xs, vs = zip(*(map(int, input().split()) for _ in range(n)))

xs = (0,) + xs + (c,)
ds = [j - i for i, j in zip(xs, xs[1:])]

clockwise = [0] + [v - d for v, d in zip(accumulate(vs), accumulate(ds))]
clockwise_maxs = list(accumulate(clockwise, func=max))
clock_max = clockwise_maxs[-1]

anticlockwise = [0] + [v - d for v, d in zip(accumulate(vs[::-1]), accumulate(ds[::-1]))]
anticlockwise_maxs = list(accumulate(anticlockwise, func=max))
anticlock_max = anticlockwise_maxs[-1]

clockwise2 = [0] + [v - d*2 for v, d in zip(accumulate(vs), accumulate(ds))]
clock_anticlock = [x + y for x, y in zip(clockwise2, reversed(anticlockwise_maxs))]
c_ac_max = max(clock_anticlock)

anticlockwise2 = [0] + [v - d*2 for v, d in zip(accumulate(vs[::-1]), accumulate(ds[::-1]))]
anticlock_clock = [x + y for x, y in zip(anticlockwise2, reversed(clockwise_maxs))]
ac_c_max = max(anticlock_clock)

print(max(clock_max, anticlock_max, c_ac_max, ac_c_max))
Buggy python submission (verdict: Runtime Error):
rom itertools import count, takewhile
from math import floor, sqrt
 
n = int(input())
xys = [map(int, input().split()) for _ in range(n)]
 
def mysqrt(n):
    x = floor(sqrt(n))
    for y in takewhile(lambda y: y**2 <= n, count(max(0, x-2))):
        x = y
    return x
 
for x, y in xys:
    xy = x*y
    root = mysqrt(xy-1)
    ans = root*2 - (root**2 + root >= xy) - 1 + (x == y)
    print(ans)

Fixed submission:
print('Yes' if set(input()) == set('abc') else 'No')

Buggy python submission (verdict: Runtime Error):
from itertools import count, takewhile
from math import floor, sqrt

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

def mysqrt(n):
    x = floor(sqrt(n))
    for y in takewhile(lambda y: y**2 <= n, count(x-1)):
        x = y
    return x

for x, y in xys:
    xy = x*y
    root = mysqrt(xy-1)
    ans = root*2 - (root**2 + root >= xy) - 1 + (x == y)
    print(ans)

Fixed submission:
print('Yes' if set(input()) == set('abc') else 'No')
Buggy python submission (verdict: Time Limit Exceeded):
h, w, d = map(int, input().split())
xys = [[int(x) for x in input().split()] for _ in range(h)]
q = int(input())
lrs = [tuple(map(int, input().split())) for _ in range(q)]

dict_ = {v:(x, y) for y, row in enumerate(xys) for x, v in enumerate(row)}

def jump_cost(xy, ab):
    x, y = dict_[xy]
    a, b = dict_[ab]
    return abs(x-a) + abs(y-b)

for l, r in lrs:
    print(sum(jump_cost(xy, ab) for xy, ab in zip(range(l, r+1, d), range(l+d, r+1, d))))

Fixed submission:
from itertools import accumulate

h, w, d = map(int, input().split())
xys = [[int(x) for x in input().split()] for _ in range(h)]
q = int(input())
lrs = [tuple(map(int, input().split())) for _ in range(q)]

dict_ = {v:(x, y) for y, row in enumerate(xys) for x, v in enumerate(row)}
def jump_cost(xy, ab):
    x, y = dict_[xy]
    a, b = dict_[ab]
    return abs(x-a) + abs(y-b)

m = h * w
d_ = {}
for i in range(1, d+1):
    startend = zip(range(i, m+1, d), range(i+d, m+1, d))
    costs = (jump_cost(xy1, xy2) for xy1, xy2 in startend)
    d_[i % d] = [0] + list(accumulate(costs))

for l, r in lrs:
    a = r // d
    b, c = divmod(l, d)
    print(d_[c][a - (c==0)] - d_[c][b - (c==0)])
Buggy python submission (verdict: Runtime Error):
from collections import deque

h, w = map(int, input().split())
maze = {(i,j):c for i in range(h) for j, c in enumerate(input())}

blacks = sum(c == '#' for c in maze.values())

def bfs(i, j):
    dq = deque()
    dq.appendleft((1, (i, j)))
    while dq:
        steps, (i, j) = dq.pop()
        if (i, j) == (h-1, w-1):
            return steps
        if maze.get((i, j), '#') == '#':
            continue
        maze[(i, j)] = '#'
        dirs = ((-1, 0), (1, 0), (0, 1), (0, -1))
        dq.extendleft((steps+1, (i+di, j+dj)) for di, dj in dirs)

print(h*w - bfs(0, 0) - blacks)

Fixed submission:
from collections import deque

h, w = map(int, input().split())
maze = {(i,j):c for i in range(h) for j, c in enumerate(input())}

blacks = sum(c == '#' for c in maze.values())

def bfs(i, j):
    dq = deque()
    dq.appendleft((1, (i, j)))
    while dq:
        steps, (i, j) = dq.pop()
        if (i, j) == (h-1, w-1):
            return steps
        if maze.get((i, j), '#') == '#':
            continue
        maze[(i, j)] = '#'
        dirs = ((-1, 0), (1, 0), (0, 1), (0, -1))
        dq.extendleft((steps+1, (i+di, j+dj)) for di, dj in dirs)

res = bfs(0, 0)
print(-1 if res is None else h*w - res - blacks)
Buggy python submission (verdict: Runtime Error):
from itertools import accumulate, count, islice, takewhile
 
def eratosthenes():
    d = {}
    for q in count(2):
        p = d.pop(q, None)
        if p:
            x = next(x for x in count(q + p, p) if x not in d)
            d[x] = p
        else:
            yield q
            d[q*q] = q

def likes():
    xs = set()
    for p in eratosthenes():
        if p in xs:
            yield p
        xs.add(2*p - 1)

likeset = set(takewhile(lambda n: n <= 100000, likes()))
onehot = (i in likeset for i in range(100000))
likecounts = list(accumulate(onehot))

q = int(input())
lrs = [[int(x) for x in input().split()] for _ in range(q)]

for l, r in lrs:
    print(likecounts[r+1] - likecounts[l-1]) 

Fixed submission:
from itertools import accumulate, count, islice, takewhile
 
def eratosthenes():
    d = {}
    for q in count(2):
        p = d.pop(q, None)
        if p:
            x = next(x for x in count(q + p, p) if x not in d)
            d[x] = p
        else:
            yield q
            d[q*q] = q

def likes():
    xs = set()
    for p in eratosthenes():
        if p in xs:
            yield p
        xs.add(2*p - 1)

likeset = set(takewhile(lambda n: n <= 100000, likes()))
onehot = (i in likeset for i in range(100001))
likecounts = list(accumulate(onehot))

q = int(input())
lrs = [[int(x) for x in input().split()] for _ in range(q)]

for l, r in lrs:
    print(likecounts[r+1] - likecounts[l-1])
Buggy python submission (verdict: Runtime Error):
from itertools import count, takewhile
 
x, y = map(int, input().split())
 
print(max(takewhile(lambda i: (x*(2**i) <= y,  count())))

Fixed submission:
from itertools import count, takewhile

x, y = map(int, input().split())

print(sum(1 for _ in takewhile(lambda z: z <= y, (x*(2**i) for i in count()))))
Buggy python submission (verdict: Runtime Error):
from itertools import chain

h, w = map(int, input().split())

def f(x, h, w):
    h2 = h // 2
    h3 = h - h2
    a,b,c = sorted((x,w*h2,w*h3))
    w2 = w // 2
    w3 = w - w2
    d,e,f = sorted((x,w2*h,w3*h))
    return min(c-a, f-d)

ss = ((w2*h, h, w-w2) for w2 in range(1, (w+1)//2))
ts = ((w*h2, h-h2, w) for h2 in range(1, (h+1)//2))

print(min(f(*xs) for xs in chain(ss, ts)))

Fixed submission:
from itertools import chain

h, w = map(int, input().split())

def f(x, h, w):
    h2 = h // 2
    h3 = h - h2
    a,b,c = sorted((x,w*h2,w*h3))
    w2 = w // 2
    w3 = w - w2
    d,e,f = sorted((x,w2*h,w3*h))
    return min(c-a, f-d)

ss = ((w2*h, h, w-w2) for w2 in range(1, (w+3)//2))
ts = ((w*h2, h-h2, w) for h2 in range(1, (h+3)//2))

print(min(f(*xs) for xs in chain(ss, ts)))
Buggy python submission (verdict: Runtime Error):
a, b = [int('14' if x == '1' else x) for x in input().split()
print('Alice' if a > b else 'Bob' if b > a else 'Draw')

Fixed submission:
a, b = [int('14' if x == '1' else x) for x in input().split()]
print('Alice' if a > b else 'Bob' if b > a else 'Draw')
Buggy python submission (verdict: Time Limit Exceeded):
# 引き出したいお金の額を入力する
N = int(input())

# 整数aの累乗のうち、整数N以下かつ最も大きいものを返す関数を定義
def func(N, a):
    index = 0
    while True:
        if a ** (index + 1) <= N:
            index += 1
        else:
            break
    return a ** index

# 引き出し回数を再帰的に求める関数を定義
def search_times_re(N):
    times = 0
    if N < 6:
        times = N
        return times
    elif N < 9:
        times = 1 + (N - 6)
        return times
    else:
        N1 = search_times_re(N - func(N, 6))
        N2 = search_times_re(N - func(N, 9))
        if N1 < N2:
            return 1 + N1
        else:
            return 1 + N2

print(search_times_re(N))

Fixed submission:
N = int(input())
ans = N
for i in range(0, N + 1, 6):
    cnt = 0
    j = N - i
    while i > 0:
        cnt += i % 6
        i //= 6
    while j > 0:
        cnt += j % 9
        j //= 9
    ans = min(ans, cnt)
print(ans)

Buggy python submission (verdict: Runtime Error):
from math import log
# 引き出したいお金の額を入力する
N = int(input())

# 整数aの累乗のうち、整数N以下かつ最も大きいものを返す関数を定義
def func(N, a):
    index = int(log(N) / log(a))
    return a ** index

# 引き出し回数を再帰的に求める関数を定義
def search_times_re(N):
    times = 0
    if N < 6:
        times = N
        return times
    elif N < 9:
        times = 1 + (N - 6)
    else:
        N1 = search_times_re(N - func(N, 6))
        N2 = search_times_re(N - func(N, 9))
        if N1 < N2:
            return 1 + N1
        else:
            return 1 + N2

print(search_times_re(N))

Fixed submission:
N = int(input())
ans = N
for i in range(0, N + 1, 6):
    cnt = 0
    j = N - i
    while i > 0:
        cnt += i % 6
        i //= 6
    while j > 0:
        cnt += j % 9
        j //= 9
    ans = min(ans, cnt)
print(ans)
Buggy python submission (verdict: Runtime Error):
# 行数Hおよび列数Wを入力する
H, W = map(int, input().split())
# マスを初期化する（ワンサイズ大きめに作成する）
s = ["." * (W + 2) for _ in range(H + 2)]
# マスを入力する
for i in range(1, H + 1):
    s[i] = input()
# 判定を初期化する
judge = "Yes"
# 各マスについて、黒く塗れるかを調べる
for i in range(1, H + 1):
    for j in range(1, W + 1):
        # 黒く塗らないマスの場合、以降の処理は行わずに次のマスに移る
        if s[i][j] == ".":
            continue
        # 上下左右に黒く塗るべきマスがない場合、塗り分け不可能
        if s[i - 1][j] + s[i][j - 1] + s[i][j + 1] + s[i + 1][j] == "....":
            # 判定を更新する
            judge = "No"
            # マスの調査を終了する
            break
# 判定を出力する
print(judge)

Fixed submission:
# 行数Hおよび列数Wを入力する
H, W = map(int, input().split())
# マスを初期化する（ワンサイズ大きめに作成する）
s = ["." * (W + 2) for _ in range(H + 2)]
# マスを入力する
for i in range(1, H + 1):
    s[i] = "." + input() + "."
# 判定を初期化する
judge = "Yes"
# 各マスについて、黒く塗れるかを調べる
for i in range(1, H + 1):
    for j in range(1, W + 1):
        # 黒く塗らないマスの場合、以降の処理は行わずに次のマスに移る
        if s[i][j] == ".":
            continue
        # 上下左右に黒く塗るべきマスがない場合、塗り分け不可能
        if s[i - 1][j] + s[i][j - 1] + s[i][j + 1] + s[i + 1][j] == "....":
            # 判定を更新する
            judge = "No"
            # マスの調査を終了する
            break
# 判定を出力する
print(judge)