Computer Programming

String concatenation means joining two strings together into one. In C, the standard library provides the strcat() function to handle this task easily. However, writing your own program to concatenate strings without using strcat() is a very good practice. It helps you understand how strings are stored in memory and how characters are manipulated one […]

Reversing a string is a common exercise in C programming that helps beginners understand string manipulation, arrays, and memory access. While the C standard library provides the strrev() function on some platforms, it’s not universally available. Writing your own reverse function strengthens your understanding of how strings are stored and manipulated in memory. In this

Finding the length of a string is one of the most basic tasks in C programming. While the standard library provides the strlen() function for this purpose, understanding how to calculate the length manually is an essential exercise for beginners. This teaches how strings are stored in memory and how to navigate character arrays. In

In array operations, the difference between two arrays A and B is a new array containing all elements that are in A but not in B. This operation is widely used in data analysis, filtering datasets, and solving algorithmic problems. Learning to compute array differences helps programmers manage data efficiently and manipulate collections of values.

The intersection of two arrays is a new array that contains all elements present in both arrays. This operation is a fundamental concept in programming, used in data processing, set operations, and algorithm problems. Understanding how to find the intersection helps in comparing datasets and extracting common elements efficiently. In this tutorial, we will explore

Finding the union of two arrays is a common task in programming. The union of arrays contains all elements from both arrays but without duplicates. This concept is widely used in data processing, set operations, and algorithm problems. In this tutorial, we will explore multiple ways to find the union of two arrays in C,

Counting the number of words in a string is a common task in text processing and programming exercises. It helps beginners practice string handling, loops, and conditional logic in C. By learning this program, you will understand how to iterate through characters, identify word boundaries, and handle different spacing scenarios. This tutorial provides a complete

Counting vowels and consonants in a string is a fundamental problem in C programming. It helps beginners understand string handling, character classification, and loop logic. By learning this program, you can also apply similar logic to analyze text, validate input, or create basic text-processing programs. In this tutorial, we will write a complete C program

In programming, arrays are widely used to store multiple values of the same type. However, sometimes arrays may contain duplicate elements, which can cause problems in calculations, data analysis, or other operations. Removing duplicates from an array ensures that every element appears only once, which is often necessary in tasks such as searching, sorting, and

Checking whether an array is sorted is a fundamental problem in programming. Knowing if the elements in an array are in ascending or descending order is important in algorithms like binary search, sorting, and data validation. This task helps you practice working with arrays, loops, and conditional statements in C. In this tutorial, we will