Narcissistic number is a number that is the sum of its own digits each raised to the power of the number of digits.
153 = 1^3 + 5^3 + 3^3
101 ~= 1^3 + 0 ^3 + 1^3
Sum all integers from 1 to 2^n
Determine Whether an array is empty
07 - Common functions and indexing 3
Return fibonacci sequence do not use loop and condition version 2
Project Euler: Problem 14 Longest Collatz sequence(harder version)
Compute the intersect point of line and plan
Return fibonacci sequence do not use loop and condition version 3
Determine if input is a perfect number
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