#Practice nim exercises in narimiran.github.io/nim-basics/
#Create an immutable variable containing your age (in years).
#Print your age in days. (1 year = 365 days)
const
  days = 365
  inches = 2.54
let myage = 19 * days
#Check if your age is divisible by 3
echo myage
echo myage mod 3 == 0

#Create an immutable variable containing your height in centimeters #Print your height in inches (1 in = 2.54 cm)
var myheight: float = 178
echo myheight / inches
#A pipe has a 3/8 inch diameter. Express the diameter in centimeters
var pipe: float
pipe = 3 / 8 * inches
echo pipe

#practice concat string
var
  firstname = "Khuc"
  lastname = "Giang Sinh"
let fullname = firstname & " " & lastname
echo fullname

#Is alice earn much money than bob ?
const
  alice_earn_1 = 400 / 15
  bob_earn_1 = 3.14 * 8
let bob_earn_30 = bob_earn_1 * 30
let alice_earn_30 = alice_earn_1 * 30
echo "Alice > Bob: ", alice_earn_30 > bob_earn_30

#Collatz conjecture
var n: int
n = 11
while n != 1:
  if (n mod 2 == 0):
    n = n div 2
    echo "n is even so n = n/2 = ", n
  else:
    n = 3 * n + 1
    echo "n is odd so n = 3n + 1 = ", n

#Print all vowels in your full name
for letter in fullname:
  case letter
    of 'u', 'e', 'o', 'a', 'i':
      echo letter
    else: discard

#Fizz buzz game
const
  fizz = "Fizz"
  buzz = "Buzz"
for round in countup(1, 30, 1):
  if (round mod 3 == 0):
    if (round mod 5 == 0):
      echo fizz & buzz
    else:
      echo fizz
  elif (round mod 5 == 0):
    echo buzz
  else:
    echo round

#Create a inches to centimeters conversion table
echo "in\t" & "|\t" & "cm"
echo "------------------"
for i in 1..10:
  let cm = float(i) * inches
  echo i, '\t' & "|" & '\t', cm