Rotate List Left by K
Write a function that rotates a list of numbers to the left by k elements. Numbers should wrap around.
Coding Exercise Posts - page 26 of 43
Recent posts
Rotate Linked List by K
Given a linked list node and a non-negative integer k, rotate the list to the right by k places.
Roomba
A Roomba robot is currently sitting in a Cartesian plane at (0, 0). You are given a list of its moves that it will make, containing NORTH, SOUTH, WEST, and E...
Rookie Mistake
You’re given a string s containing letters of three types, R, B, and ..
Roman Numeral to Integer
Given a string numeral representing a Roman numeral, convert it to an integer.
Robinhood
You are given integers n, e, o, t. You have n dollars in principal that you invested in the stock market. Given the stock market alternates between first ret...
Revolving Door
You are given a list of list of integers requests. requests[i] contains [time, direction] meaning at time time, a person arrived at the door and either wante...
Reverse Words
Given a string s of words delimited by spaces, reverse the order of words.
Reverse Sublists to Convert to Target
Given two lists of integers nums, and target, consider an operation where you take some sublist in nums and reverse it. Return whether it’s possible to turn ...
Reverse a Linked List
Given a singly linked list node, return its reverse.
Repeating String
Given a lowercase alphabet string s, return whether it’s a repeating string.
Repeated K-Length Substrings
Given a string s and an integer k, return the number of k-length substrings that occur more than once in s.