C Programming Exercises, Practice, Solution : Callback Function
This resource offers a total of 55 C Callback function problems for practice. It includes 11 main exercises, each accompanied by solutions, detailed explanations, and four related problems
[An Editor is available at the bottom of the page to write and execute the scripts.]
In computer programming, a callback or callback function is any reference to executable code that is passed as an argument to another piece of code; that code is expected to call back (execute) the callback function as part of its job. Callback functions can be used to implement event handlers, or to allow a function to be customized by the caller.
1. Array Square Callback Variants
Write a C program to print the square of array elements using callback function.
Expected Output:
Array elements before processing: 1 2 3 4 5 6 Square of the array elements after processing: 1 4 9 16 25 36
2. Array Sorting with Callback Variants
Write C program to sort an array of integers in ascending or descending order using a callback function to compare the elements.
Expected Output:
Original array: 7 2 0 5 8 9 Ascending order: 0 2 5 7 8 9 Descending order: 9 8 7 5 2 0
3. Sum/Product Callback Variants
Write a C program to calculate the sum or product of an array of integers using a callback function.
Expected Output:
Original array elements: 10 20 30 40 50 60 Sum: 210 Product: 720000000
4. Palindrome String Callback Variants
Write a C program to check if a string (case-sensitive) is a palindrome or not using a callback function.
Expected Output:
String: Madam Madam is not a palindrome (case-sensitive). Madam is a palindrome (case-insensitive). String: aba aba is a palindrome (case-sensitive). aba is a palindrome (case-insensitive).
5. String Case Conversion Callback Variants
Write a program in C program to convert a string to uppercase or lowercase using a callback function to modify each character.
Expected Output:
Input a string: w3resource Select an option: 1. Convert to uppercase 2. Convert to lowercase 1 Uppercase string: W3RESOURCE
6. Average/Median Calculation Callback Variants
Write a program in C program to calculate the average or median of an array of integers using a callback function to perform the calculation.
Expected Output:
Original array elements: 2 5 4 7 1 8 4 6 5 9 10 Select an option: 1. Calculate average of the said array elements: 2. Calculate median of the said array elements: Average: 5.545455
7. Whitespace Removal Callback Variants
Write a C program to remove all whitespace from a string using a callback function.
Expected Output:
Enter a string: Original string: example . com String without whitespace: example.com
8. Min/Max Element Callback Variants
Write a C program to find the largest or smallest element in an array using a callback function to compare the elements.
Expected Output:
Original array elements: 7 0 4 2 9 5 1 The minimum element is 0 The maximum element is 9
9. Array Shuffle Callback Variants
Write a C program to shuffle the elements of an array using a callback function to generate random numbers for swapping.
Expected Output:
Original array elements: 1 2 3 4 5 Shuffled array elements: 3 5 2 1 4
10. Quick Sort Callback Variants
Write a C program to implement quick sort using callback function.
Expected Output:
Before sorting: 5 2 8 7 1 3 6 4 After sorting: 1 2 3 4 5 6 7 8
11. Binary Search Callback Variants
Write a program in C program to used to perform a binary search for an element in a sorted array using callback function.
Expected Output:
Before sorting: 5 2 8 7 1 3 6 4 After sorting: 1 2 3 4 5 6 7 8
C Programming Code Editor:
More to Come !
Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.
- Weekly Trends and Language Statistics
- Weekly Trends and Language Statistics