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| package com.rocketpush.puzzle; | |
| public class FizzBuzz { | |
| public static String fizzBuzz(boolean isFizzy, boolean isBuzzy, int i) { | |
| String value = String.valueOf(i); | |
| if (isFizzy && isBuzzy) { | |
| value = "FizzBuzz"; | |
| } else if (isFizzy) { | |
| value = "Fizz"; |
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| (def fibs | |
| (map first | |
| (iterate (fn [[a b]] [b (+ a b)]) [0 1]))) | |
| (reduce + | |
| (take-while | |
| (partial > 4000000) (filter even? fibs))) |
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| (def whole-numbers (iterate inc 1)) | |
| (defn square [n] (* n n)) | |
| (defn sum-of-squares [n] | |
| (reduce + | |
| (take n | |
| (map square whole-numbers)))) | |
| (defn square-of-sum [n] |
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| (reduce + | |
| (distinct | |
| (concat (range 3 1000 3)(range 5 1000 5)))) |
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| (1..100).inject 0, { total, base -> | |
| (1..100).each { power -> | |
| String number = base ** power | |
| if (power == number.size()) { total += 1 } | |
| } | |
| total | |
| } |
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| def appendIsSo (adjective, names) { | |
| names?.to*.plus " is so ${adjective}." | |
| } | |
| appendIsSo 'awesome', [to: ['Aby', 'Brooke', 'Claire']] | |
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| def candidate = 3 | |
| def listOfPrimes = [2] | |
| while (listOfPrimes.size() < 10001) { | |
| max = Math.sqrt(candidate) | |
| for (prime in listOfPrimes) { | |
| if (prime > max) { | |
| listOfPrimes << candidate | |
| break | |
| } |
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| // brute force | |
| 100.upto 300, { a -> | |
| a.upto 400, { b -> | |
| b.upto 500, { c -> | |
| if (a + b + c == 1000 && a * a + b * b == c * c) | |
| println "$a * $b * $c = " + a * b * c | |
| } | |
| } | |
| } |
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| String sumOfPowers = (1..1000).inject(0) { sum, it -> | |
| sum += it ** it | |
| } | |
| sumOfPowers[-10..-1] |
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| def reallyBigNumbers = | |
| '''37107287533902102798797998220837590246510135740250 | |
| 46376937677490009712648124896970078050417018260538 | |
| 74324986199524741059474233309513058123726617309629 | |
| 91942213363574161572522430563301811072406154908250 | |
| 23067588207539346171171980310421047513778063246676 | |
| 89261670696623633820136378418383684178734361726757 | |
| 28112879812849979408065481931592621691275889832738 | |
| 44274228917432520321923589422876796487670272189318 | |
| 47451445736001306439091167216856844588711603153276 |
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