Project Euler

Project Euler

Project Euler consists in a series of challenging mathematical/computer programming problems that require more than just mathematical insights to solve.

These are my solutions to some of those problems.

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Problem	Solution	Language
Multiples of 3 and 5	Problem 1	APL
Even Fibonacci numbers	Problem 2	APL
Largest prime factor	Problem 3	Rust
Largest palindrome product	Problem 4	Python
Smallest multiple	Problem 5	Python
Sum square difference	Problem 6	Python
10001st prime	Problem 7	Python
Largest product in a series	Problem 8	Python
Special Pythagorean triplet	Problem 9	Prolog
Summation of primes	Problem 10	Python
Largest product in a Rows	Problem 11	Prolog
Highly divisible triangular number	Problem 12	Haskell
Large sum	Problem 13	Python
Longest Collatz sequence	Problem 14	Python
Lattice paths	Problem 15	Python
Power digit sum	Problem 16	Python
Number letter counts	Problem 17	Python
Factorial digit sum	Problem 20	Python
Amicable numbers	Problem 21	Python
Names scores	Problem 22	Python
Non-abundant sums	Problem 23	C++
Lexicographic permutations	Problem 24	Python
1000-digit Fibonacci number	Problem 25	Python
Reciprocal cycles	Problem 26	Haskell
Quadratic Primes	Problem 27	Haskell
Number spiral diagonals	Problem 28	Python
Distinct powers	Problem 29	Python
Digit fifth powers	Problem 30	C++
Coin sums	Problem 31	Prolog
Pandigital products	Problem 32	Haskell
Digit cancelling fractions	Problem 33	Haskell
Digit factorials	Problem 34	C++
Circular primes	Problem 35	Python
Double-base palindromes	Problem 36	Python
Truncatable primes	Problem 37	Python
Pandigital multiples	Problem 37	Haskell
Truncatable primes	Problem 37	Haskell
Champernowne's constant	Problem 40	Python
Integer right triangles	Problem 41	Python
Coded triangle numbers	Problem 42	Python
Triangular, pentagonal, and hexagonal	Problem 45	Python
Permuted multiples	Problem 52	Python
Right triangles with integer coordinates	Problem 91	Prolog
Square digit chains	Problem 92	Python