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“Given a triangle, determine if its a scalene, equilateral, isosceles or neither... required knowledge of triangle properties, I learnt these properties about two decades ago so ofcourse I was fuzzy…”
“Given a 2D rectangular matrix of boolean values, write a function which returns whether or not the matrix is the same when rotated 180 degrees.
“given two linked lists with a digit in each node, add the two linked lists together. the result must be a linked list with one digit in each node. use only one iteration of the two input lists.”