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View GitHub Profile
View lis.py
def longest_increasing_subsequence(sequence):
best_length = -1
for bitmask in range(2**len(sequence)):
subsequence = []
for bit_idx in range(len(sequence)):
if bitmask & (1 << bit_idx):
subsequence.append(sequence[bit_idx])
if not sorted(subsequence) == subsequence:
continue
if len(subsequence) > best_length:
View gist:5b7e134279f692cbdd56701f0f0546e4
{
"compilerOptions": {
/* Basic Options */
"target": "es6", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
"lib": ["es2016", "DOM"], /* Specify library files to be included in the compilation. */
"resolveJsonModule": true, /* Allows for importing, extracting types from and generating .json files.
// "allowJs": true, /* Allow javascript files to be compiled. */
// "checkJs": true, /* Report errors in .js files. */
// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
View judge-chai.js
const chai = require('chai')
const chaiAsPromised = require('chai-as-promised')
async judge() {
expect(tx.isSane(), 'TX not sane')
.to.be.true
expect(tx.inputs.length, 'TX doesn\'t have 1 input')
.to.equal(1)
expect(tx.outputs[0].value, `TX doesn't pay ${SATOSHI_VALUE / SATOSHIS_IN_BTC} BTC`)
.to.equal(SATOSHI_VALUE)
View gist:623dbeb6cc28126d4908d3449a9d0e3f
23.hs:23:3: error:
• Couldn't match type ‘a’ with ‘a0’
‘a’ is a rigid type variable bound by
the type signature for:
rnd_select :: forall a. [a] -> Int -> IO [a]
at 23.hs:18:1-34
Expected type: IO [a]
Actual type: IO [a0]
• In a stmt of a 'do' block: return choice
In the expression:
View removeat.hs
module RemoveAt where
removeAt :: Int -> [a] -> (a, [a])
removeAt n xs = (item, list)
where item = xs!!(n - 1)
list = map snd (filter fst (zip characteristic xs))
characteristic = before ++ pivot ++ after
before = replicate (n - 1) True
pivot = [False]
View 23.hs
import Control.Monad.State.Lazy
import System.Random
import RemoveAt
choose = do
(gen, xs) <- get
let (idx, gen') = randomR (1, length xs) gen
let (val, xs') = removeAt idx xs
put (gen', xs')
return val
View parallel-opportunities.js
wallet
class Edge {
order: {
placed: false,
place: async function() {
...
this.placed = true
orderid = await cctx.placeOrder()
do {
View idmonad.hs
data Id a = Id a
deriving (Show)
instance Functor Id where
fmap f (Id a) = Id $ f a
instance Applicative Id where
pure = Id
(Id f) <*> (Id a) = Id (f a)
View await.js
axios = require('axios')
function main() {
writeToConsole()
makeHttpRequest()
}
async function writeToConsole() {
while (true) {
console.log('lol')
View 21.hs
import Control.Monad
import Data.Key
import qualified Data.Map as Map
memoizedPrimeFactors :: Int -> Map.Map Int Int
memoizedPrimeFactors = (map primeFactors [0..] !!)
where primeFactors :: Int -> Map.Map Int Int
primeFactors 1 = Map.empty
primeFactors n = Map.insertWith (+) p 1 ps
where
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