Menu
×
Get Certified Upgrade Academy Spaces Practice Get Certified Upgrade Academy Spaces Practice
   ❮   
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP W3.CSS C C++ C# HOW TO BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS DSA TYPESCRIPT SWIFT ANGULAR ANGULARJS GIT POSTGRESQL MONGODB ASP AI R GO KOTLIN SWIFT SASS VUE GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE INTRO TO PROGRAMMING HTML & CSS BASH RUST TOOLS

C Tutorial

C HOME C Intro C Get Started C Syntax
Syntax Statements Code Challenge
C Output
Print Text New Lines Code Challenge
C Comments C Variables
Create Variables Format Specifiers Change Values Multiple Variables Variable Names Real-Life Examples Code Challenge
C Data Types
Data Types Characters Numbers Decimal Precision Memory Size Real-Life Example Extended Types Code Challenge
C Type Conversion C Constants C Operators
Operators Arithmetic Assignment Comparison Logical Precedence Code Challenge
C Booleans
Booleans Real-Life Examples Code Challenge
C If...Else
if else else if Short Hand If Nested If Logical Operators Real-Life Examples Code Challenge
C Switch
Switch Code Challenge
C While Loop
While Loop Do/While Loop Real-Life Examples Code Challenge
C For Loop
For Loop Nested Loops Real-Life Examples Code Challenge
C Break/Continue C Arrays
Arrays Array Size Array Loops Real-Life Examples Multidimensional Arrays Code Challenge
C Strings
Strings Special Characters String Functions Code Challenge
C User Input C Memory Address C Pointers
Pointers Pointers & Arrays Pointer Arithmetic Pointer to Pointer Code Challenge

C Functions

C Functions C Function Parameters C Scope C Function Declaration C Functions Challenge C Math Functions C Inline Functions C Recursion C Function Pointers
Function Pointers Callback Functions

C Files

C Create Files C Write To Files C Read Files

C Structures

C Structures C Structs Challenge C Nested Structures C Structs & Pointers C Unions C typedef C Struct Padding

C Enums

C Enums
Enums Code Challenge

C Memory

C Memory Management
C Allocate Memory C Access Memory C Reallocate Memory C Deallocate Memory C Structs and Memory C Memory Example

C Errors

C Errors C Error Challenge C Debugging C NULL C Error Handling C Input Validation

C More

C Date C Random Numbers C Macros C Organize Code C Storage Classes C Bitwise Operators C Fixed-width Integers

C Projects

C Projects

C Cert

C Certificate

C Reference

C Reference C Keywords C <stdio.h> C <stdlib.h> C <string.h> C <math.h> C <ctype.h> C <time.h>

C Examples

C Examples C Real-Life Examples C Exercises C Quiz C Code Challenges C Practice Problems C Compiler C Syllabus C Study Plan C Interview Q&A

C Error Code Challenge

❮ Previous Next ❯

Challenge: Spot and Fix the Errors

Test your understanding of C by spotting and fixing errors in the code below.


❮ Previous Next ❯
PLUS
SPACES
GET CERTIFIED
FOR TEACHERS
PRACTICE
CONTACT US
×

Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
sales@w3schools.com

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
help@w3schools.com

Top Tutorials
HTML Tutorial
CSS Tutorial
JavaScript Tutorial
How To Tutorial
SQL Tutorial
Python Tutorial
W3.CSS Tutorial
Bootstrap Tutorial
PHP Tutorial
Java Tutorial
C++ Tutorial
jQuery Tutorial
Top References
HTML Reference
CSS Reference
JavaScript Reference
SQL Reference
Python Reference
W3.CSS Reference
Bootstrap Reference
PHP Reference
HTML Colors
Java Reference
AngularJS Reference
jQuery Reference
Top Examples
HTML Examples
CSS Examples
JavaScript Examples
How To Examples
SQL Examples
Python Examples
W3.CSS Examples
Bootstrap Examples
PHP Examples
Java Examples
XML Examples
jQuery Examples
Get Certified
 HTML Certificate
CSS Certificate
JavaScript Certificate
Front End Certificate
SQL Certificate
Python Certificate
PHP Certificate
jQuery Certificate
Java Certificate
C++ Certificate
C# Certificate
XML Certificate
FORUM ABOUT ACADEMY
W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness
of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookies and privacy policy.

Copyright 1999-2026 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.

ResultError
Your code has an error. Check the output below for details.
Click Check Code to see the result here.
Compiling & running