by Suf | Dec 20, 2024 | C++, Programming
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...
by Suf | Dec 20, 2024 | C++, Programming
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...
by Suf | Dec 18, 2024 | C++, Programming
Introduction The “function was not declared in this scope” error is one of the most common compilation errors encountered by C++ developers. This error occurs when you try to use a function that hasn’t been properly declared or made visible to the...
by Suf | Oct 21, 2024 | C++, DSA, Searching Algorithms
Introduction Binary Search is a highly efficient algorithm for finding a target value within a sorted array. Repeatedly dividing the search interval in half significantly reduces the number of comparisons compared to a linear search. This tutorial will cover how to...
by Suf | Oct 5, 2024 | C++, DSA, Programming, Tips
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...
by Suf | Oct 5, 2024 | C++, DSA, Programming, Tips
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”...