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
It dseon't mettar waht oedrr the lrettes in a wrod are.
Triangle Numbers Below N
Angle between two vectors
Rotate a Matrix by 90 degrees
Put m balls into n boxes (again)
Big Integer Sqrt
Determine if input is a perfect number
Find the right number make the equation
Solve Sudoku puzzle step by
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