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In this program, we will see how we can swap the values of two variables in C. To understand this program, you should know about the following topics in C: Data types Operators Input / Output We shall take two approaches, one by using a third variable and other by

In this example, you will learn how to print the table of a number given by the user. To understand this example you should have the knowledge of – Operators in C. Loops. Program Using ‘while’ loop #include <stdio.h> int main() { int num, i = 1, res; printf("Enter a

The positive numbers such as 1,2,3,4,5…. etc are known as natural numbers. In this program, you will see how to calculate the sum up to n natural numbers. We will ask a user to enter a number and then calculate the sum up to that number. For example, if the

ASCII value is a numeric value assigned to every defined character (including alphabets, punctuation marks, special symbols, numbers and control characters.). For example, the ASCII value of ‘A’ is 65 whereas ASCII value of ‘a’ is 97. In C programming a character variable holds the ascii value instead of the

‘User input’ in programming is simply any input a user gives during the execution of a program or application. In C, there are many standard functions to take input from the user. In this program, we will take input from the user and store it in a variable using the

In this program we will check if a number entered by the user is prime or not. A prime number is a number which can be divided only by 1 and itself. For example 7, 13, 17, 23 and so on. To understand this program, you must know the following