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Contents
# Pythagorean Triplet
A Pythagorean triplet is a set of three natural numbers, {a, b, c}, for
which,
```
a**2 + b**2 = c**2
```
For example,
```
3**2 + 4**2 = 9 + 16 = 25 = 5**2.
```
There exists exactly one Pythagorean triplet for which a + b + c = 1000.
Find the product a * b * c.
## Getting Started
For installation and learning resources, refer to the
[exercism help page](http://exercism.io/languages/haskell).
## Running the tests
To run the test suite, execute the following command:
```bash
stack test
```
#### If you get an error message like this...
```
No .cabal file found in directory
```
You are probably running an old stack version and need
to upgrade it.
#### Otherwise, if you get an error message like this...
```
No compiler found, expected minor version match with...
Try running "stack setup" to install the correct GHC...
```
Just do as it says and it will download and install
the correct compiler version:
```bash
stack setup
```
## Running *GHCi*
If you want to play with your solution in GHCi, just run the command:
```bash
stack ghci
```
## Feedback, Issues, Pull Requests
The [exercism/haskell](https://github.com/exercism/haskell) repository on
GitHub is the home for all of the Haskell exercises.
If you have feedback about an exercise, or want to help implementing a new
one, head over there and create an issue. We'll do our best to help you!
## Source
Problem 9 at Project Euler [http://projecteuler.net/problem=9](http://projecteuler.net/problem=9)
## Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.
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