Swap the Values of Two Variables
Explore how to swap values between two variables by understanding the problem, developing a solution, and implementing it through pseudocode and flowcharts. Learn the role of temporary storage in value swapping and practice with various inputs to solidify your programming logic skills.
Problem statement
You have two variables n1 and n2 containing two numbers, and you want to swap the values that they hold.
The main steps in problem-solving
Understand the problem
Carefully read the problem statement and, think about the desired output. The output should be the two variables with their values swapped. For instance, if n1 contains 10 and n2 contains 20, after swapping the values n1 should ...