From 31b43cf6d0d58812d30c0e2356f6458d06b1e52e Mon Sep 17 00:00:00 2001 From: Charles Date: Sat, 8 Feb 2020 22:06:55 +0100 Subject: WIP: some exo in python --- python/206-concealed_square.py | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 python/206-concealed_square.py (limited to 'python/206-concealed_square.py') diff --git a/python/206-concealed_square.py b/python/206-concealed_square.py new file mode 100644 index 0000000..e9d84ea --- /dev/null +++ b/python/206-concealed_square.py @@ -0,0 +1,18 @@ +# ### +#Concealed Square +# +# Problem 206 +# Find the unique positive integer whose square has the form 1_2_3_4_5_6_7_8_9_0, +# where each “_” is a single digit. +# ### + + +import math +from itertools import count + + +for n in count(int(math.sqrt(1020304050607080900)) - 1): + s = str(n * n) + if s[0] == "1" and s[2] == "2" and s[4] == "3" and s[6] == "4" and s[8] == "5" and s[10] == "6" and s[12] == "7" and s[14] == "8" and s[16] == "9" and s[18] == "0": + print(">>>", n) + break -- cgit