dropkickfish

matrix = []
$totaltrees = []
x, y, $trees, slope = 0, 0, 0, -1

File.foreach('3.txt') { |line| matrix << line.strip.split('') and slope += 1 }

possibilities = [[1,1],
                 [3,1],
                 [5,1],
                 [7,1],

dropkickfish

array = []
valid = 0

def min(len)
  len.split('-')[0].to_i - 1
end

def max(len)
  len.split('-')[1].to_i - 1
end

dropkickfish

array = []
valid = 0

def min(len)
  len.split("-")[0].to_i
end
def max(len)
  len.split("-")[1].to_i
end

dropkickfish

array = []
File.foreach("input1.txt") { |line| array << line.to_i }
pairs = array.combination(ARGV[0].to_i)
pairs.each do |pair|
  if pair.sum == 2020
    puts pair[0..-1].reduce(:*)
  end
end

dropkickfish

import java.text.SimpleDateFormat;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;

public class TalkingClock {


    public static void main(String[] args) {