project-euler

iPython notebooks with solutions to selected Project Euler problems. View the notebooks here.

These solutions should not be used to cheat on the Project Euler competition. Please do not view any solution unless you are not participating in Project Euler or you have already submitted the correct answer.

Name		Name	Last commit message	Last commit date
Latest commit History 71 Commits
data		data
.gitignore		.gitignore
0123.png		0123.png
Euler 001 - Multiples of 3 or 5.ipynb		Euler 001 - Multiples of 3 or 5.ipynb
Euler 002 - Even Fibonacci Numbers.ipynb		Euler 002 - Even Fibonacci Numbers.ipynb
Euler 003 - Largest prime factor.ipynb		Euler 003 - Largest prime factor.ipynb
Euler 004 - Largest Palindrome Product.ipynb		Euler 004 - Largest Palindrome Product.ipynb
Euler 005 - Smallest multiple.ipynb		Euler 005 - Smallest multiple.ipynb
Euler 006 - Sum Square Difference.ipynb		Euler 006 - Sum Square Difference.ipynb
Euler 007 - 10001st prime.ipynb		Euler 007 - 10001st prime.ipynb
Euler 008 - Largest product in a series.ipynb		Euler 008 - Largest product in a series.ipynb
Euler 009 - Special Pythagorean triplet.ipynb		Euler 009 - Special Pythagorean triplet.ipynb
Euler 010 - Summation of primes.ipynb		Euler 010 - Summation of primes.ipynb
Euler 011 - Largest product in a grid.ipynb		Euler 011 - Largest product in a grid.ipynb
Euler 012 - Highly divisible triangular number.ipynb		Euler 012 - Highly divisible triangular number.ipynb
Euler 013 - Large Sum.ipynb		Euler 013 - Large Sum.ipynb
Euler 014 - Longest Collatz Sequence.ipynb		Euler 014 - Longest Collatz Sequence.ipynb
Euler 015 - Lattice Paths.ipynb		Euler 015 - Lattice Paths.ipynb
Euler 016 - Power Digit Sum.ipynb		Euler 016 - Power Digit Sum.ipynb
Euler 017 - Number letter counts.ipynb		Euler 017 - Number letter counts.ipynb
Euler 018 - Maximum sum path I.ipynb		Euler 018 - Maximum sum path I.ipynb
Euler 019 - Counting Sundays.ipynb		Euler 019 - Counting Sundays.ipynb
Euler 020 - Factorial digit sum.ipynb		Euler 020 - Factorial digit sum.ipynb
Euler 021 - Amicable numbers.ipynb		Euler 021 - Amicable numbers.ipynb
Euler 022 - Names score.ipynb		Euler 022 - Names score.ipynb
Euler 023 - Non-abundant sums.ipynb		Euler 023 - Non-abundant sums.ipynb
Euler 024 - Lexicographic permutations.ipynb		Euler 024 - Lexicographic permutations.ipynb
Euler 025 - 1000-digit Fibonacci number.ipynb		Euler 025 - 1000-digit Fibonacci number.ipynb
Euler 026 - Reciprocal cycles.ipynb		Euler 026 - Reciprocal cycles.ipynb
Euler 027 - Quadratic primes.ipynb		Euler 027 - Quadratic primes.ipynb
Euler 028 - Number spiral diagonals.ipynb		Euler 028 - Number spiral diagonals.ipynb
Euler 029 - Distinct powers.ipynb		Euler 029 - Distinct powers.ipynb
Euler 030 - Digit fifth powers.ipynb		Euler 030 - Digit fifth powers.ipynb
Euler 031 - Coin Sum.ipynb		Euler 031 - Coin Sum.ipynb
Euler 032 - Pandigital products.ipynb		Euler 032 - Pandigital products.ipynb
Euler 033 - Digit canceling fractions.ipynb		Euler 033 - Digit canceling fractions.ipynb
Euler 034 - Digit factorials.ipynb		Euler 034 - Digit factorials.ipynb
Euler 035 - Circular primes.ipynb		Euler 035 - Circular primes.ipynb
Euler 036 - Double-base palindromes.ipynb		Euler 036 - Double-base palindromes.ipynb
Euler 037 - Truncatable primes.ipynb		Euler 037 - Truncatable primes.ipynb
Euler 038 - Pandigital multiples.ipynb		Euler 038 - Pandigital multiples.ipynb
Euler 039 - Integer Right Triangles.ipynb		Euler 039 - Integer Right Triangles.ipynb
Euler 040 - Champernowne's constant.ipynb		Euler 040 - Champernowne's constant.ipynb
Euler 041 - Pandigital prime.ipynb		Euler 041 - Pandigital prime.ipynb
Euler 042 - Coded triangle numbers.ipynb		Euler 042 - Coded triangle numbers.ipynb
Euler 043 - Sub-string divisibility.ipynb		Euler 043 - Sub-string divisibility.ipynb
Euler 044 - Pentagon numbers.ipynb		Euler 044 - Pentagon numbers.ipynb
Euler 045 - Triangular, Pentagonal, and Hexagonal.ipynb		Euler 045 - Triangular, Pentagonal, and Hexagonal.ipynb
Euler 046 - Goldbach's other conjecture.ipynb		Euler 046 - Goldbach's other conjecture.ipynb
Euler 047 - Distinct prime factors.ipynb		Euler 047 - Distinct prime factors.ipynb
Euler 048 - Self powers.ipynb		Euler 048 - Self powers.ipynb
Euler 049 - Prime permutations.ipynb		Euler 049 - Prime permutations.ipynb
Euler 050 - Consecutive prime sum.ipynb		Euler 050 - Consecutive prime sum.ipynb
Euler 051 - Prime digit replacements.ipynb		Euler 051 - Prime digit replacements.ipynb
Euler 052 - Permuted multiples.ipynb		Euler 052 - Permuted multiples.ipynb
Euler 053 - Combinatoric selections.ipynb		Euler 053 - Combinatoric selections.ipynb
Euler 054 - Poker hands.ipynb		Euler 054 - Poker hands.ipynb
Euler 055 - Lyrchel numbers.ipynb		Euler 055 - Lyrchel numbers.ipynb
Euler 056 - Powerful digit sum.ipynb		Euler 056 - Powerful digit sum.ipynb
Euler 057 - Square root convergents.ipynb		Euler 057 - Square root convergents.ipynb
Euler 058 - Spiral primes.ipynb		Euler 058 - Spiral primes.ipynb
Euler 059 - XOR decryption.ipynb		Euler 059 - XOR decryption.ipynb
Euler 060 - Prime pair sets.ipynb		Euler 060 - Prime pair sets.ipynb
Euler 061 - Cyclical figurate numbers.ipynb		Euler 061 - Cyclical figurate numbers.ipynb
Euler 062 - Cubic permutations.ipynb		Euler 062 - Cubic permutations.ipynb
Euler 063 - Powerful digit counts.ipynb		Euler 063 - Powerful digit counts.ipynb
Euler 064 - Odd period square roots.ipynb		Euler 064 - Odd period square roots.ipynb
Euler 065 - Convergents of e.ipynb		Euler 065 - Convergents of e.ipynb
Euler 066 - Diophantine equation.ipynb		Euler 066 - Diophantine equation.ipynb
Euler 067 - Maximum path sum II.ipynb		Euler 067 - Maximum path sum II.ipynb
Euler 068 - Magic 5-gon ring.ipynb		Euler 068 - Magic 5-gon ring.ipynb
Euler 069 - Totient maximum.ipynb		Euler 069 - Totient maximum.ipynb
Euler 070 - Totient permutation.ipynb		Euler 070 - Totient permutation.ipynb
Euler 071 - Ordered fractions.ipynb		Euler 071 - Ordered fractions.ipynb
Euler 072 - Counting fractions.ipynb		Euler 072 - Counting fractions.ipynb
Euler 073 - Counting primes in a range.ipynb		Euler 073 - Counting primes in a range.ipynb
Euler 075 - Singular integer right triangles.ipynb		Euler 075 - Singular integer right triangles.ipynb
Euler 076 - Counting summations.ipynb		Euler 076 - Counting summations.ipynb
Euler 077 - Prime summations.ipynb		Euler 077 - Prime summations.ipynb
Euler 078 - Coin partitions.ipynb		Euler 078 - Coin partitions.ipynb
Euler 079 - Passcode derivation.ipynb		Euler 079 - Passcode derivation.ipynb
Euler 080 - Square root digital expansion.ipynb		Euler 080 - Square root digital expansion.ipynb
Euler 081 - Path sum two ways.ipynb		Euler 081 - Path sum two ways.ipynb
Euler 086 - Cuboid route.ipynb		Euler 086 - Cuboid route.ipynb
Euler 088 - Product-sum numbers.ipynb		Euler 088 - Product-sum numbers.ipynb
Euler 090 - Cube digit pairs.ipynb		Euler 090 - Cube digit pairs.ipynb
Euler 094 - Almost equilateral triangles.ipynb		Euler 094 - Almost equilateral triangles.ipynb
Euler 095 - Amicable chains.ipynb		Euler 095 - Amicable chains.ipynb
Euler 097 - Large non-Mersenne prime.ipynb		Euler 097 - Large non-Mersenne prime.ipynb
Euler 100 - Arranged probabilities.ipynb		Euler 100 - Arranged probabilities.ipynb
Euler 117 - Red green and blue tiles.ipynb		Euler 117 - Red green and blue tiles.ipynb
Euler 119 - Digit power sum.ipynb		Euler 119 - Digit power sum.ipynb
Euler 120 - Square remainders.ipynb		Euler 120 - Square remainders.ipynb
Euler 123 - Prime square remainders.ipynb		Euler 123 - Prime square remainders.ipynb
Euler 124 - Ordered radicals.ipynb		Euler 124 - Ordered radicals.ipynb
Euler 125 - Palindromic Sums.ipynb		Euler 125 - Palindromic Sums.ipynb
Euler 148 - Exploring Pascal's triangle.ipynb		Euler 148 - Exploring Pascal's triangle.ipynb
Euler 151 - Paper sheets.ipynb		Euler 151 - Paper sheets.ipynb
Euler 169 - Diatonic sequence.ipynb		Euler 169 - Diatonic sequence.ipynb
Euler 172 - Investigating numbers with few repeated digits.ipynb		Euler 172 - Investigating numbers with few repeated digits.ipynb

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