Recap Challenge

Part of the Fundamentals section of Coddy's C journey — lesson 15 of 63.

Challenge

Easy

Create a C program that:

Declares and initializes:
- An integer variable age with value 25
- A float variable price with value 19.99
- A character variable grade with value 'A'
- A constant MAX_SCORE with value 100 using #define
Calculate:
- The price after a 15% discount and store it in a variable discounted_price
- Convert the discounted_price to an integer using explicit casting, and store as rounded_price

Make sure to format floating-point numbers to show exactly 2 decimal places.

Try it yourself

#include <stdio.h>

int main() {
    // Declare and initialize variables
    
    // Calculate discounted price
    
    // Convert to integer using casting
    
    // Print all variables
    printf("Age: %d\n", age);
    printf("Price: $%.2f\n", price);
    printf("Discounted Price: $%.2f\n", discounted_price);
    printf("Rounded Price: $%d\n", rounded_price);
    printf("Grade: %c\n", grade);
    printf("Max Score: %d\n", MAX_SCORE);
    
    return 0;
}

All lessons in Fundamentals

1Introduction

C Language Hello World!Comments Basic Program Structure

4Control Flow

If Statement If - Else Else-If Switch Case Ternary Conditional Operator Recap Challenge Nested If - Else

7Functions

Declare a Function Return Types Parameters Recap Challenge #1 Recursion Basics Function Prototypes Recap Challenge #2