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# Librerias requeridas
library('httr')
library('jsonlite')
library('tm')
library('wordcloud')
library('RColorBrewer')
library("SnowballC")

# Keys de acceso (https://apps.twitter.com/)
# Cómo creo una app de Twitter: https://www.digitalocean.com/community/tutorials/how-to-create-a-twitter-app

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# Cargo las librerias necesarias
library('rvest') # Para scrapear paginas
library('tm') # Text Mining
library('wordcloud')
library('RColorBrewer') # Paletas de colores
library('SnowballC') # Stemming
library('GetoptLong')  # qq() permite interpolar strings

# Seteo locale para no tener problemas de acentos
Sys.setlocale('LC_CTYPE', 'en_US.UTF-8')

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import os
from glob import glob
import piexif
import pandas as pd
from PIL import Image
import datetime, time
import numpy as np
from multiprocessing import Pool, Process, Value, Lock, current_process
import logging
reload(logging)

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In [13]: from decimal import *

In [14]: getcontext().prec = 6

In [15]: ars_usd = Decimal(0.0641030)

In [16]: usd_ars = 1 / ars_usd

In [17]: usd_ars
Out[17]: Decimal('15.5999')

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% Define a function pieces so that pieces(N) tells you the maximum number of pieces into which you can cut a piece of paper with N cuts.
% You can see an illustration of this problem at the top of this step.
% If you’d like to take this problem further, think about the 3-dimensional case. Into how many pieces can you cut a wooden block with N saw cuts?
% Taking it even further: What is the general problem in n dimensions?

-module(howManyPieces).
-export([howManyPieces/1]).

howManyPieces(0) ->
    1;