leetcode Leetcode - Number of Good Pairs Solution Given an array of integers nums. A pair (i,j) is called
leetcode Leetcode - Maximum 69 Number Solution Given a positive integer num consisting only of digits 6 and 9.
leetcode Leetcode - Subtract the Product and Sum of Digits of an Integer Solution Given an integer number n, return the difference between the product of
leetcode Leetcode - Self Dividing Numbers Solution A self-dividing number is a number that is divisible by every digit
leetcode Leetcode - Sqrt(x) Solution Given a non-negative integer x, compute and return the square root of
leetcode Leetcode - Multiply Strings Solution Given two non-negative integers num1 and num2 represented as strings, return the
Hackerrank Hackerrank Polar Coordinates Solution Polar coordinates are an alternative way of representing Cartesian coordinates or Complex