Sha256: f979f63e5b01a830a5832643952575eec6306cde37e629600cd07b1957453b17

Contents?: true

Size: 1.12 KB

Versions: 63

Compression:

Stored size: 1.12 KB

Contents

## Implementation

Define a single Go func, MakeChain, which accepts a slice
of dominoes and attempts to construct a legal chain of dominoes.

MakeChain should have the following signature:

```
type Domino [2]int

func MakeChain(input []Domino) (chain []Domino, ok bool)
```

The 'ok' bool result indicates whether the given input domino list
could be arranged in a legal chain. An empty input list is considered legal,
and a single domino whose sides are the same is also considered legal.

The 'chain' result is a slice of zero or more dominoes
arranged in an order which shows the legal chain.
It is acceptable (and expected) that dominoes in 'input' may need
to be rotated so that each side matches their adjacent domino in the chain.
Dominoes at the beginning and the end of the chain must also match their outer side.

If the given input slice of dominoes cannot be arranged in a legal chain
MakeChain may return nil for the chain result, but must return false for the ok result.

Since there may be more than one legal chain arrangement for a given input list,
when ok is true, the test program will check the chain for validity only.

Version data entries

63 entries across 63 versions & 1 rubygems

Version Path
trackler-2.2.1.180 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.179 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.178 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.177 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.176 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.175 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.174 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.173 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.172 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.171 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.170 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.169 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.167 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.166 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.165 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.164 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.163 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.162 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.161 tracks/go/exercises/dominoes/.meta/hints.md
trackler-2.2.1.160 tracks/go/exercises/dominoes/.meta/hints.md