How to remove a node from a singly-linked list when only given the pointer to the node
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Find max k elements among mostly sorted list.
Was asked how I would implement division without using division or mod operators. The answer should return in the form quotient r remainder.
Given 2 numbers x and y, check if x is an integer power of y. For instance, x = 8, y = 2 would return true and x = 10 and y = 2 would return false since the first one is an integer power but the second isn't.
How to reverse a number, e.g. 1234.
Given heads of two linked lists. Find if the two linked lists intersect. Solution should not use extra memory.
evaluate an expression following BODMAS rules
Print a singly-linked list backwards, in constant space and linear time.
Given nested arrays, write an enumerator class such that next() returns the elements in sequential order, e.g.: [1,[4,3],6,[5,[1,0]]] -> 1, 4, 3, 6, 5, 1, 0 also implement allObjects for this class
Mark likes to listen to music while travelling. His iPod™ contains N songs and he wants to listen to L (not necessarily different) songs during a trip. So he creates a playlist such that: • Every song is played at least once. • A song can be played again only if at least K other songs have been played Mark wants to know how many different playlists are possible. Can you help Mark determine this number? As the number can be very large, display number modulo 1,000,000,007. You are given N, K and L.
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