def Euler_36(num=10**6):
count = 0
for x in range(num):
if x ==num//2:print(x)
b = bin(x)
if maths.ispal(int(b[2:])) and maths.ispal(x):
count+=x
return count
def e004(d=3):
pals = []
tmp = list(range(999, 100, -1))
for i, x in enumerate(tmp):
for y in tmp[i:]:
if ispal(x * y): pals += [x * y]
return max(pals)
def e004(d=3):
pals = []
tmp = list(range(999, 100, -1))
for i, x in enumerate(tmp):
for y in tmp[i:]:
if ispal(x * y):
pals += [x * y]
return max(pals)
def Euler_4(d=3):
n = 10**d
n2 = n // 10
n = n - 1
ans = 0
for i in range(n2, n):
for j in range(n2, n):
if ispal(i * j):
if ans < i * j:
ans = i * j
return ans
def Euler_4(d=3):
n = 10 ** d
n2 = n // 10
n = n - 1
ans = 0
for i in range(n2, n):
for j in range(n2, n):
if ispal(i * j):
if ans < i * j:
ans = i * j
return ans
def oneline():
return max([
x * y for x in range(999, 99, -1) for y in range(999, 99, -1)
if ispal(x * y)
])
def oneline():
return max([x * y for x in range(999, 99, -1) for y in range(999, 99, -1) if ispal(x * y)])
