How to Convert Numbers to Strings in C++

Converting numbers to strings is a common requirement in C++ programming, whether you’re formatting output, processing data, or preparing values for display. In this guide, we’ll explore several methods to convert numbers to strings in C++, each with its...

How to Use HashMap in C++

C++’s unordered_map (commonly known as HashMap in other languages) is a powerful container that stores key-value pairs using hash tables. It provides average constant-time complexity for insertions, deletions, and lookups, making it an essential tool for...

How To Do Counting Sort in C++

Introduction Counting Sort is a non-comparison-based sorting algorithm that counts the occurrences of each distinct element in an array. It is particularly efficient for sorting integers when the range of values is known and relatively small. Unlike comparison-based...

How To Do Pigeonhole Sort in C++

Pigeonhole Sort is a non-comparison-based sorting algorithm that excels when the range of the input values is small relative to the number of elements. It operates based on the pigeonhole principle, efficiently sorting elements by placing them into “holes”...