day7.py


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#!/usr/bin/env python

import numpy as np

def triangle(num):
    return (num * (num + 1)) / 2

with open("day7.txt") as data:
    distances = np.array([num for num in map(int, next(data).strip().split(','))]).astype(int)
    # part 1
    median = np.median(distances)
    print(np.sum(np.abs(distances - median).astype(int)))

    # part 2
    minim, maxim = np.amin(distances), np.amax(distances)
    least_dist = None
    for i in range(minim, maxim + 1):
        dist = np.sum(triangle(np.abs(distances - i)).astype(int))
        if least_dist is None or least_dist > dist:
            least_dist = dist
    print(least_dist)
package main

import (
	"fmt"
	"log"
	"net/http"

	"github.com/getwtxt/registry"
)

// Requests to apiEndpointPOSTHandler are passed off to this
// function. apiPostUser then fetches the twtxt data, then if
// it's an individual user's file, adds it. If it's registry
// output, it scrapes the users/urls/statuses from the remote
// registry before adding each user to the local cache.
func apiPostUser(w http.ResponseWriter, r *http.Request) {
	if err := r.ParseForm(); err != nil {
		log400(w, r, "Error Parsing Values: "+err.Error())
		return
	}

	nick := r.FormValue("nickname")
	urls := r.FormValue("url")
	if nick == "" || urls == "" {
		log400(w, r, "Nickname or URL missing")
		return
	}

	uip := getIPFromCtx(r.Context())

	out, remoteRegistry, err := registry.GetTwtxt(urls)
	if err != nil {
		log400(w, r, "Error Fetching twtxt Data: "+err.Error())
		return
	}

	if remoteRegistry {
		remoteRegistries.Mu.Lock()
		remoteRegistries.List = append(remoteRegistries.List, urls)
		remoteRegistries.Mu.Unlock()

		if err := twtxtCache.CrawlRemoteRegistry(urls); err != nil {
			log400(w, r, "Error Crawling Remote Registry: "+err.Error())
			return
		}
		log200(r)
		return
	}

	statuses, err := registry.ParseUserTwtxt(out, nick, urls)
	if err != nil {
		log.Printf("Error Parsing User Data: %v\n", err.Error())
	}

	if err := twtxtCache.AddUser(nick, urls, uip, statuses); err != nil {
		log400(w, r, "Error Adding User to Cache: "+err.Error())
		return
	}

	log200(r)
	_, err = w.Write([]byte(fmt.Sprintf("200 OK\n")))
	if err != nil {
		log.Printf("%v\n", err.Error())
	}
}