List and Vector Comparisions in C++
In C++, both list and vector are container classes provided by the Standard Template Library (STL). However, they differ in several key aspects, such as their underlying data structures, …
Tag: c++
Implement a K-th Element for the Set in C++
A set in C++ (aka std::set) is a ordered set (based on a Red-Black tree) while the unordered_set is based on a Hash Map. Implement a K-eth element for …
How to Map or Transform a Vector in C++ (Template Function)?
Given a vector, e.g. of integers, we want to apply a function to each element and transform to another vector/array. For example, we might want to return a new …
Longest Distinct Sublist via Sliding Window (Two Pointer) Algorithm
Given a list of integers nums, return the length of the longest contiguous sublist where all its elements are distinct. Constraints n ≤ 100,000 where n is the length …
Check if All Characters Have Equal Number of Occurrences
Given a string s, return true if s is a good string, or false otherwise. A string s is good if all the characters that appear in s have …