Menu-Driven program using Switch-case in C

A Menu Driven program is a program that represents a menu of options to the user and different actions are performed based on different options. In this article, we will learn to write a Menu Driven program using Switch-case in C.

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Menu Driven Program in C

The below program demonstrates an example of a Menu-Driven program using a Switch case to calculate:

1. Area of a circle
2. Area of square
3. Area of sphere

Output

Press 1 to calculate area of circle
Press 2 to calculate area of square
Press 3 to calculate area of sphere
Enter your choice:
1
Enter radius:
5
Area of circle=78.5

Complexity Analysis

Time Complexity: O(1)
Auxiliary Space: O(1)

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