Problem 49: Prime permutations. 0.2 seconds in Python. One liner however one minute in Haskell.

## Saturday, June 07, 2014

## Sunday, June 01, 2014

### redoing a problem: 47

Problem 47: Distinct prime factors. Two seconds in Python, which is about the same as the previous code.

## Friday, May 02, 2014

### redoing problems: 48, 50

Problem 48: Self powers. One line in both Python and Haskell.

Problem 50: Consecutive prime sum. Two lines in both Python and Haskell. One second and 30 seconds respectively.

## Thursday, May 01, 2014

### redoing problems: 44, 45, 46

Problem 44: Pentagon numbers. I actually read the forum and learned. 3 seconds in Haskell.

Problem 45: Triangular, pentagonal and hexagonal. 3 minutes in Haskell.

Problem 46: Goldbach"s other conjecture. Less than a second with one line in Haskell.

## Sunday, April 27, 2014

### redoing a problem: 96

Problem 96: Sudoku. It"s 30 lines in Python. I wrote in Haskell also. It"s 27 lines. The Python code runs in 18 seconds for the 50 problems and the Haskell code runs in 78 seconds.

## Sunday, February 23, 2014

### redoing a problem: Problem 42

Problem 42: Coded triangle numbers. Rewrote the original python code and wrote a new Haskell code.

## Saturday, January 04, 2014

## Wednesday, January 01, 2014

### redoing a problem: 41

Problem 41: Pandigital Prime. Brute force with Haskell in half a second. You can skip all permutations other than 4 and 7 digits because all of them can be divisible by 3.

## Sunday, December 22, 2013

### redoing a problem: 40

Problem 40: Champernowne's constant. Now I understood infinite list and foldr/foldl in Haskell.

## Tuesday, December 17, 2013

### redoing a problem: 39

Problem 39: Integer right triangles. Simple brute force in Haskell. 20 seconds.