kolharsam

from os import system
start_grid = [line.rstrip('\n') for line in open("input")]

def printGrid(grid):
    print("\n\n\n\n\n\n\n\n\n\n\n")
    for r in grid:
        print (''.join(r))

def getLightsOn(grid):
    counter = 0

kolharsam

/*
  Runtime Env:
     - Node v10.16.0
*/

/*
Problem Statement - Lisp Parser

Write code that takes some Lisp code and returns an abstract syntax tree.
The AST should represent the structure of the code and the meaning of each token.

kolharsam

import qualified Data.List as List

listSum :: (Num a) => [a] -> a
listSum [] = 0
listSum xs = foldr (+) 0 xs

getLength :: (Num a) => [a] -> a
getLength xs = foldr (\_ acc -> acc + 1) 0 xs

myGroup :: (Num a, Eq a, Ord a) => [a] -> [(a, Int)]

kolharsam

const compress = sortedArr => {
  let currentLetterIndex = 0, letterCounter = 0, iter = 0;
  
  // if we one of each letter
  let maxIterations = sortedArr.length * 2;

  while(iter < maxIterations) {
    if (sortedArr[iter] === sortedArr[currentLetterIndex]) {
      letterCounter++;
      iter++;

kolharsam

(defn multiply-two [x] (* x 2))

(defn sub-one [x] (dec x))

(defn broken-calc
  ([start goal] (broken-calc start goal 0))
  ([start goal steps]
   (if
    (= start goal)
     steps

kolharsam

(defn resultant_string
  [str_a]
  (loop [letters (clojure.string/split (apply str (reverse str_a)) #"")
    letter_stack []]
    (if (empty? letters)
      (clojure.string/join letter_stack)
      (let [current (peek letters)]
        (if (= current "#")
          (recur (pop letters) (if (empty? letter_stack) letter_stack (pop letter_stack)))
          (recur (pop letters) (conj letter_stack current)))))))

kolharsam

(require '[clojure.math.combinatorics :as combo]
         '[clojure.string :as str])

(defn validParenthesis?
  "Returns true if a sequence of parentheses are balanced"
  [coll]
  (loop [parens_list (apply list coll)
         stack []]
    (if (empty? parens_list)
      (empty? stack)

kolharsam

(def default-input ["candy" "doodle" "pop" "shield" "lag" "typewriter" "this"])

(def qwerty-rows ["qwertyuiop" "asdfghjkl" "zxcvbnm"])

(def dvorak-rows ["pyfgcrl" "aoeuidhtns" "qjkxbmwvz"])

(def azerty-rows ["azertyuiop" "qsdfghjklm" "wxcvbn"])

(defn get-letter-row
  "Returns the index of the row in which the letter is present"

kolharsam

Introductory Material

• Add Graal JIT Compilation to Your JVM Language in 5 Steps, A Tutorial http://stefan-marr.de/2015/11/add-graal-jit-compilation-to-your-jvm-language-in-5-easy-steps-step-1/

• The SimpleLanguage, an example of using Truffle with great JavaDocs. It is the officle getting-started project: https://github.com/graalvm/simplelanguage

• Truffle Tutorial, Christan Wimmer, PLDI 2016, 3h recording https://youtu.be/FJY96_6Y3a4 Slides

kolharsam

;; Simple to implement I guess the real problem is of double/float precision
;; Will be updating once I learn more about those concepts within Clojure

(defn is-in-golden-ratio?
  "Returns true if the pair of numbers are in the golden ratio"
  [x y]
  (let [x-y-ratio (quot x y)
        greatest (max x y)
        sum-ratio (quot (+ x y) greatest)]
    (= x-y-ratio sum-ratio)))