rafaltrojanowski

require 'time'
input = "07:05:45PM"

puts Time.strptime(input, "%r").strftime("%H:%M:%S")

rafaltrojanowski

input = "saveChangesInTheEditor"

def count_words(string)
  s = string.split /(?=[A-Z])/
  s.size
end

puts count_words(input)

rafaltrojanowski

# Installation
brew install ffmpeg --with-vpx --with-vorbis --with-libvorbis --with-vpx --with-vorbis --with-theora --with-libogg --with-libvorbis --with-gpl --with-version3 --with-nonfree --with-postproc --with-libaacplus --with-libass --with-libcelt --with-libfaac --with-libfdk-aac --with-libfreetype --with-libmp3lame --with-libopencore-amrnb --with-libopencore-amrwb --with-libopenjpeg --with-openssl --with-libopus --with-libschroedinger --with-libspeex --with-libtheora --with-libvo-aacenc --with-libvorbis --with-libvpx --with-libx264 --with-libxvid

# Easy Peasy
ffmpeg -i video.mp4 video.webm

rafaltrojanowski

def solution(A):
    for i, v in enumerate(sorted(A)):
      if i + 1 != v:
        return 0
    return 1

rafaltrojanowski

def solution(x, a)
  hash = {}
  
  (1..x).each do |v|
    hash[v] = 1
  end
  
  a.each_with_index do |value, index|
    if hash[value]
      hash.delete(value)

rafaltrojanowski

def solution(n, a)
 arr = [0] * n
 max = 0  
  
 a.each do |element|
  if element <= n
    arr[element-1] += 1
    
    if arr[element-1] > max
      max = arr[element-1]

rafaltrojanowski

def solution(a)
  # write your code in Ruby 2.2
  i = 1
  hash = {}
  
  a.each do |element|
    hash[element] = 1
  end
  
  while 1 do  

rafaltrojanowski

def solution(a)
  sum = 0 
  sum = a.inject(&:+)
    
  l = 0
  r = 0
  p = 0
  
  ret = nil
  

rafaltrojanowski

def solution(a)
  ((1..a.size + 1).to_a - a).first
end

rafaltrojanowski

def solution(a)
  hash = {}
  
  a.each do |element|
    
    if hash[element].nil?
      hash[element] = 1
    else
      hash[element] += 1
    end