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import Network;main=withSocketsDo$listenOn(PortNumber 70)>>=forever.fst.accept>=>\h->hGetLine h>>=readFile>>=hPutStr h>>hClose h |
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#!/bin/bash | |
# PLEASE READ ME BEFORE RUNNING! | |
# ------------------------------ | |
# | |
# giamp3 v1 (2024-10-04) | |
# | |
# Random 30 second samples from Internet Archive. | |
# | |
# Tested on Debian Unstable (Sid) as of the release date. |
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import Data.Data (Data, gmapQ, toConstr, cast) | |
import Data.Maybe (catMaybes) | |
import Data.Data (constrFields) | |
import qualified Data.Text as Text | |
{- | Convert any generic data type with record syntax to a list | |
of key-value `Text` pairs. | |
Uses some Haskell magic. |
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{-# LANGUAGE ScopedTypeVariables #-} | |
{-# LANGUAGE TupleSections #-} | |
{- | |
Double Cola | |
https://codeforces.com/problemset/problem/82/A | |
EFFICIENCY REQUIREMENTS | |
time limit per test: 1 second | |
memory limit per test: 256 megabytes |
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{- | |
My attempt at a Tesla interview question: | |
Minimum number of characters to delete from a string so that each character | |
appears unique number of times. Note: You can delete all occurances of | |
characters. | |
eg: "aaaabbbb" -> 1 "a" or 1"b" would make "a" and "b" appear unique number of | |
times. | |
-} |
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{- | |
Advent of Code: Day 1 | |
Part 1 and 2 | |
https://adventofcode.com/2020/day/1 | |
-} | |
-- Converted using a simple find/replace vim command. | |
puzzleInput = | |
[ 1780 | |
, 1693 |
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{- | |
Advent of Code: Day 2 | |
Part 1 & 2 | |
https://adventofcode.com/2020/day/2 | |
-} | |
type PasswordData = ((Int, Int, Char), String) | |
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import Control.Monad.Reader | |
import Data.Map as Map | |
data Expr = Lit Int | Var String | Add Expr Expr | Let (String, Expr) Expr | |
eval :: Expr -> Reader (Map String Int) Int | |
eval (Lit i) = pure i | |
eval (Var s) = do | |
varMap <- ask | |
case Map.lookup s varMap of |
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{- | |
I saw this posted on HackerNews: | |
"Most candidates cannot solve this interview problem." | |
https://twitter.com/Al_Grigor/status/1357028887209902088 | |
> Most candidates cannot solve this interview problem: | |
> Input: "aaaabbbcca" | |
> Output: [("a", 4), ("b", 3), ("c", 2), ("a", 1)] |
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{- | |
# PROBLEM | |
A binary gap within a positive integer N is any maximal sequence of consecutive | |
zeros that is surrounded by ones at both ends in the binary representation of | |
N. | |
For example, number 9 has binary representation 1001 and contains a binary gap | |
of length 2. The number 529 has binary representation 1000010001 and contains | |
two binary gaps: one of length 4 and one of length 3. The number 20 has binary |