Read the whole series: Part 1 — type inference Part 2 — traits <- you’re here Part 3 — case class/object (ADTs) Part 4 — apply & unapply functions Part 5 — implicits Continuing on from where we left off with type inference last time around, let’s look at a language feature in Scala that doesn’t exist in F# – traits. Scala has …
Read the whole series: Part 1 – type inference <- you’re here Part 2 – traits Part 3 – case class/object (ADTs) Part 4 – apply & unapply functions Part 5 – implicits It’s a new year, a new job, a new language (Scala) and runtime (JVM) to work with. After a week of learning …
ps. look out for all my other solutions for Advent of Code challenges here. Day 25 See details of the challenge here. Today’s input looks like this: cpy a d cpy 7 c cpy 362 b inc d dec b jnz b -2 … At last, we’re at the end of this year’s Advent of …
ps. look out for all my other solutions for Advent of Code challenges here. Day 24 See details of the challenge here. Today’s challenge is a mix of Breadth-First Search (or Level Order Tree Traversal) and the Travelling Salesman Problem. First, let’s parse the input file into a 2D array to make it easier for …
ps. look out for all my other solutions for Advent of Code challenges here. Day 23 See details of the challenge here. Today’s input looks like this: cpy a b dec b cpy a d cpy 0 a cpy b c inc a .. Today’s challenge is an extension to Day 12, where we have …
ps. look out for all my other solutions for Advent of Code challenges here. Day 22 See details of the challenge here. Today’s input looks like this: root@ebhq-gridcenter# df -h Filesystem Size Used Avail Use% /dev/grid/node-x0-y0 …
ps. look out for all my other solutions for Advent of Code challenges here. Day 21 See details of the challenge here. Today’s input looks like this: swap position 2 with position 7 swap letter f with letter a swap letter c with letter a rotate based on position of letter g rotate based on …
ps. look out for all my other solutions for Advent of Code challenges here. Day 20 See details of the challenge here. Today’s input looks like this: 1873924193-1879728099 2042754084-2076891856 4112318198-4113899685 1039794493-1057170966 3791841434-3797494664 1518668516-1518748952 1946127596-1953926346 4058215215-4086224696 3429681642-3455096313 2599576643-2604275147 1800210010-1801990849 1761160149-1766904471 2774395403-2774748831 1520470679-1542287000 2343327790-2346083217 … First, let’s read the input into a list of tuples representing the …
ps. look out for all my other solutions for Advent of Code challenges here. Day 19 See details of the challenge here. I initially approached today’s challenge as a dynamic programming exercise, but it quickly transpired that there’s a much better way to do it once I realised that part 1 is in fact the …
ps. look out for all my other solutions for Advent of Code challenges here. Day 18 See details of the challenge here. To solve both part 1 and 2: Links Day 18 challenge description Advent of Code 2015 Solution for Day 17 All my F# solutions for Advent of Code Github repo
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