Category: programming languages

Given two non-negative integers represented by strings, return the sum of both. You should not use any BigInteger library nor convert the inputs to integer types directly, as the …

Given an array of string that is in the format of “count domain”, count the subdomain visits. For example, input the output is – could be in any order. …

The Wiggle Sorting may produce more than one possible outcome as long as the final sorted array satisfies: nums <= nums >= nums <= nums Given an unsorted array …

Suppose if you are given an array of N integers, how could you find out the top K elements based on its frequencies? For example, Input: nums = , …

We often need to create multi-dimensional arrays. In C/C++, depending on the memory management, this can be categorised into static arrays and dynamic arrays. How to Create 2 or …