High Frequency
Given a list of integers nums, find the most frequently occurring element and return the number of occurrences of that element.
Coding Exercise Posts - page 37 of 43
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Height Balanced Tree
Given the root of a binary tree, return whether its height is balanced. That is, for every node in the tree, the absolute difference of the height of its lef...
Hash Table
Implement a hash table with the following methods:
Happy Numbers
Given an integer n, we apply this transformation until it becomes a 1: take each of the digits in n, square it, and then take their sum.
Hamming Distance
Given two integers x, and y return the number of positions where their values differ in their binary representations as a 32-bit integer.
Guess the Root
Given a non-negative integer n, find a number r such that r * r = n and round down to the nearest integer.
Group Integers
Given a list of integers nums, return whether you can split the list into 1 or more groups where:
Greatest Common Divisor
Given a list of positive integers nums, return the largest positive integer that divides each of the integers.
Generate Primes
Given a number n, return a list of all prime numbers smaller than or equal to n in ascending order.
Furthest From Origin
You are given a string s where each character is "L" meaning you moved one unit left, "R" meaning you moved one unit right, or "?" meaning either "L" or "R".
Flip to Zeros
You are given an integer list nums containing 0s and 1s. Consider an operation where we pick an index i in nums and flip i as well as all numbers to the righ...
Flip and Invert Matrix
You are given a two-dimensional integer matrix matrix containing 1s and 0s. For each row in matrix, reverse the row. Then, flip each value in the matrix such...