Permalink
Switch branches/tags
Nothing to show
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
25 lines (18 sloc) 471 Bytes
#
# Solution to Project Euler problem 55
# Copyright (c) Project Nayuki. All rights reserved.
#
# https://www.nayuki.io/page/project-euler-solutions
# https://github.com/nayuki/Project-Euler-solutions
#
def compute():
ans = sum(1 for i in range(10000) if is_lychrel(i))
return str(ans)
def is_lychrel(n):
for i in range(50):
n += int(str(n)[ : : -1])
if str(n) == str(n)[ : : -1]:
return False
return True
if __name__ == "__main__":
print(compute())