Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next time it will be December 25
Find state names that start with the letter N
radius of a spherical planet
Omit columns averages from a matrix
Find best placement for ordered dominoes (harder)
Number of occurrences of letter in a text
Check if a number belongs in the fibonacci squence
Convert Fahrenheit to Kelvin
Calculate the area of a circle
Check if number is a square number
Check if integer is a prime number
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