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ProjectEuler

Python solutions Project Euler - https://projecteuler.net/

Laptop specs

OS: Windows 10 Home 64-bit

CPU: Intel Core i7 @ 2.50GHz

GPU: NVIDIA GeForce GTX 850M

RAM: 16,0GB Dual-Channel DDR3 @ 798MHz

IDE: PyCharm Community Edition

Solutions

Number Title Date Runtime Solved Link
001 Multiples of 3 and 5 26/01/2017 0.00034s problem solved Problem 1
002 Even Fibonacci numbers 26/01/2017 < 0.00001s problem solved Problem 2
003 Largest prime factor (complicated) 26/01/2017 0.04257s problem solved Problem 3
003 Largest prime factor (short) 26/01/2017 0.00060s problem solved Problem 3
004 Largest palindrome product 26/01/2017 0.00632s problem solved Problem 4
005 Smallest multiple (brute force) 26/01/2017 8.03642s problem solved Problem 5
005 Smallest multiple (efficient) 26/01/2017 0.00013s problem solved Problem 5
006 Sum square difference 26/01/2017 < 0.00001s problem solved Problem 6
007 10001st prime 26/01/2017 6.53110s problem solved Problem 7
008 Largest product in a series 26/01/2017 0.00181s problem solved Problem 8
009 Special Pythagorean triplet 28/01/2017 0.11237s problem solved Problem 9
010 Summation of primes 26/01/2017 0.53019s problem solved Problem 10
011 Largest product in a grid 29/01/2017 0.00092s problem solved Problem 11
012 Highly divisible triangular number 28/01/2017 5.81420s problem solved Problem 12
013 Large sum 27/01/2017 0.00011s problem solved Problem 13
014 Longest Collatz sequence 26/01/2017 2.20673s problem solved Problem 14
015 Lattice paths 28/01/2017 0.00020s problem solved Problem 15
016 Power digit sum 27/01/2017 0.00018s problem solved Problem 16
017 Number letter counts 28/01/2017 0.00338s problem solved Problem 17
018 Maximum path sum I 29/01/2017 0.00019s problem solved Problem 18
019 Counting Sundays 30/01/2017 0.00108s problem solved Problem 19
020 Factorial digit sum 28/01/2017 0.00010s problem solved Problem 20
021 Amicable numbers 28/01/2017 0.15887s problem solved Problem 21
022 Names scores 30/01/2017 0.01165s problem solved Problem 22
023 Non-abundant sums 30/01/2017 15.48666s problem solved Problem 23
024 Lexicographic permutations 30/01/2017 0.88881s problem solved Problem 24
025 1000-digit Fibonacci number 28/01/2017 0.13854s problem solved Problem 25
026 Reciprocal cycles 30/01/2017 0.41314s problem solved Problem 26
027 Quadratic primes 30/01/2017 6.22978s problem solved Problem 27
028 Number spiral diagonals 28/01/2017 0.00051s problem solved Problem 28
029 Distinct powers 30/01/2017 0.00911s problem solved Problem 29
030 Digit fifth powers 30/01/2017 5.45839s problem solved Problem 30
031 Coin sums 30/01/2017 0.03779s problem solved Problem 31
032 Pandigital products 31/01/2017 0.18051s problem solved Problem 32
033 Digit cancelling fractions 31/01/2017 0.01764s problem solved Problem 33
034 Digit factorials 31/01/2017 0.28616s problem solved Problem 34
035 Circular primes 31/01/2017 1.17886s problem solved Problem 35
036 Double-base palindromes 31/01/2017 0.71500s problem solved Problem 36
037 Truncatable primes 31/01/2017 0.43337s problem solved Problem 37
038 Pandigital multiples 01/02/2017 0.03272s problem solved Problem 38
039 Integer right triangles 01/02/2017 0.17144s problem solved Problem 39
040 Champernowne's constant 01/02/2017 0.15263s problem solved Problem 40
041 Pandigital prime 01/02/2017 4.88541s problem solved Problem 41
042 Coded triangle numbers 01/02/2017 < 0.00001s problem solved Problem 42
043 Sub-string divisibility 02/02/2017 6.39962s problem solved Problem 43
044 Pentagon numbers 02/02/2017 0.43241s problem solved Problem 44
045 Triangular, pentagonal, and hexagonal 02/02/2017 0.08220s problem solved Problem 45
... ... ... ... ... ...
048 Self powers 29/01/2017 0.00070s problem solved Problem 48