Search Results for: programming
A stack is a first-in-last-out (FILO) data structure. We all know that the list/array in Python is very powerful, that it can be used as a stack itself. For …
Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as: a binary tree in which the depth of the two …
Validate if a given string can be interpreted as a decimal number. Some examples: “0” => true ” 0.1 ” => true “abc” => false “1 a” => false …
Given two integers L and R, find the count of numbers in the range (inclusive) having a prime number of set bits in their binary representation. (Recall that the …
Given two strings representing two complex numbers. You need to return a string representing their multiplication. Note i2 = -1 according to the definition. Example 1: Input: “1+1i”, “1+1i” …