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Contents

# Largest Series Product

Given a string of digits, calculate the largest product for a contiguous
substring of digits of length n.

For example, for the input `'1027839564'`, the largest product for a
series of 3 digits is 270 (9 * 5 * 6), and the largest product for a
series of 5 digits is 7560 (7 * 8 * 3 * 9 * 5).

Note that these series are only required to occupy *adjacent positions*
in the input; the digits need not be *numerically consecutive*.

For the input `'73167176531330624919225119674426574742355349194934'`,
the largest product for a series of 6 digits is 23520.


## 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

A variation on Problem 8 at Project Euler [http://projecteuler.net/problem=8](http://projecteuler.net/problem=8)

## Submitting Incomplete Solutions
It's possible to submit an incomplete solution so you can see how others have completed the exercise.

Version data entries

184 entries across 184 versions & 1 rubygems

Version Path
trackler-2.2.1.159 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.158 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.157 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.156 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.155 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.154 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.153 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.152 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.151 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.150 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.149 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.148 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.147 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.146 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.145 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.144 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.143 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.142 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.141 tracks/haskell/exercises/largest-series-product/README.md
trackler-2.2.1.140 tracks/haskell/exercises/largest-series-product/README.md