2013-04-17 14:34:39 +08:00

40 lines
550 B
Python

def revnum(x):
out = 0
while x != 0:
out *= 10
out += x % 10
x /= 10
return out
def isL(x_ori):
x = x_ori
x += revnum(x)
n = 0
while n < 50:
x_ = revnum(x)
if x_ == x:
return False
x += x_
n += 1
return True
def test(x):
n = 0
while n < 50:
print x
x_ = revnum(x)
if x == x_: break
x += x_
n += 1
import time
a0 = time.clock()
be = []
for i in xrange(1, 10001):
if isL(i):
be.append(i)
a1 = time.clock()
print be
print a1 - a0