jaredcacurak

(999..100).inject 0, { max, a ->
  (a..100).each { b ->
    String product = a * b
    if (product.reverse() == product)
      max = [max, product as Integer].max()
  }
  max
}

jaredcacurak

public class Main {
    private static String boo;

    public static void main(String[] args) {
        boo = "value";
        changeTheValueOf(boo);
        System.out.println("passed by " + boo);
    }

    private static void changeTheValueOf(String value) {

jaredcacurak

BigInteger.metaClass.lcm = { number, value = longValue() ->
  number * value / gcd(number) as BigInteger
}

(1..20).inject 1, { BigInteger result, it -> result.lcm it }

jaredcacurak

Integer.metaClass.toDigits = {
  value.toString().toList().collect { it as Integer }
}

Integer.metaClass.digitsToThePowerOf = { power -> 
  toDigits().collect { it ** power }
}

(1000..200000).inject 0, { sum, number -> 
  sumOfDigitsToTheFifthPower = number.digitsToThePowerOf(5).sum()

jaredcacurak

def reallyBigNumbers = 
'''37107287533902102798797998220837590246510135740250
46376937677490009712648124896970078050417018260538
74324986199524741059474233309513058123726617309629
91942213363574161572522430563301811072406154908250
23067588207539346171171980310421047513778063246676
89261670696623633820136378418383684178734361726757
28112879812849979408065481931592621691275889832738
44274228917432520321923589422876796487670272189318
47451445736001306439091167216856844588711603153276

jaredcacurak

​String sumOfPowers = (1..1000).inject(0) { sum, it -> 
  sum += it ** it 
}
sumOfPowers[-10..-1]

jaredcacurak

// brute force
100.upto 300, { a ->
  a.upto 400, { b ->
    b.upto 500, { c ->
      if (a + b + c == 1000 && a * a + b * b == c * c)
        println "$a * $b * $c = " + a * b * c
    }
  }
}

jaredcacurak

def candidate = 3
def listOfPrimes = [2]
 
while (listOfPrimes.size() < 10001) {
  max = Math.sqrt(candidate)
  for (prime in listOfPrimes) {
    if (prime > max) {
      listOfPrimes << candidate
      break
    }

jaredcacurak

def appendIsSo (adjective, names) {
  names?.to*.plus " is so ${adjective}."
}
 
appendIsSo 'awesome', [to: ['Aby', 'Brooke', 'Claire']]

jaredcacurak

(1..100).inject 0, { total, base ->
  (1..100).each { power ->
    String number = base ** power
    if (power == number.size()) { total += 1 }
  }
  total
}