project-euler-100

commit 2b02a1a70461c85c6b823c7d88a7044c6b354b9b
parent f96694d332c1ee6522c186a9973ecfc6ede38cc0
Author: therealFIGBERT <figbertwelner@gmail.com>
Date:   Tue, 21 Jan 2020 16:41:45 -0800

Add solution to problem 4, add blank line to bottom of problem003.py

Diffstat:
M
problem003.py
 | 
3
+--
A
problem004.py
 | 
14
++++++++++++++

2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/problem003.py b/problem003.py
@@ -24,4 +24,4 @@ def primeFactors(num):
     return primes
 
 answer = max(primeFactors(600851475143))
-print("The largest prime factor of the number 600851475143 is %s" % answer)
-\ No newline at end of file
+print("The largest prime factor of the number 600851475143 is %s" % answer)
diff --git a/problem004.py b/problem004.py
@@ -0,0 +1,14 @@
+# problemName = "Largest palindrome product"
+# problemNum = 4
+# solutionBy = "FIGBERT"
+# language = "Python"
+# dateCompleted = "21/01/2020"
+
+def palindromeCheck(num):
+    reversedNum = int(str(num)[::-1])
+    if reversedNum == num:
+        return True
+    return False
+
+allPossibleCombos = [a*b for a in range(999, 99, -1) for b in range(999, 99, -1) if palindromeCheck(a*b)]
+print("The largest palindrome made from the product of two 3-digit numbers is %s" % max(allPossibleCombos))