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C Tutorial

C HOME C Intro C Get Started C Syntax C Output C Comments C Variables C Data Types C Constants C Operators C Booleans C If...Else C Switch C While Loop C For Loop C Break/Continue C Arrays C Strings C User Input C Memory Address C Pointers

C Functions

C Functions C Function Parameters C Scope C Function Declaration C Recursion C Math Functions

C Files

C Create Files C Write To Files C Read Files

C Structures

C Structures C Nested Structures C Structs & Pointers C Unions C typedef

C Enums

C Enums

C Memory

C Memory Management

C Errors

C Errors 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

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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

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C Exercises


Test your C skills with exercises from all categories:

Exercises

Tip: Sign in to track your progress - it's free.

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Syntax6 exercises

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Statements4 exercises

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Output3 exercises

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New Lines3 exercises

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Comments3 exercises

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Variables7 exercises

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Format Specifiers7 exercises

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Change Values5 exercises

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Multiple Variables6 exercises

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Variable Names4 exercises

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Data Types6 exercises

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Character Data Types6 exercises

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Numeric Data Types4 exercises

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Decimal Precision5 exercises

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The sizeof Operator6 exercises

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Type Conversion5 exercises

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Constants6 exercises

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Operators6 exercises

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Booleans7 exercises

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If6 exercises

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Else6 exercises

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Else If4 exercises

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Short Hand If Else4 exercises

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Switch5 exercises

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While Loop5 exercises

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Do While Loop6 exercises

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For Loop5 exercises

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Nested Loops4 exercises

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Break and Continue5 exercises

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Arrays8 exercises

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Array Size3 exercises

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Multidimensional Arrays5 exercises

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Strings8 exercises

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Special Characters4 exercises

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String Functions6 exercises

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User Input5 exercises

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Memory Address5 exercises

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Pointers5 exercises

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Pointers and Arrays5 exercises

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Functions5 exercises

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Function Parameters4 exercises

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Scope5 exercises

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Function Declaration5 exercises

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Recursion4 exercises

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Math5 exercises

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Create Files4 exercises

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Write To Files6 exercises

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Read Files5 exercises

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Structures8 exercises

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Structures and Pointers4 exercises

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Unions5 exercises

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Enums4 exercises

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Memory Management5 exercises

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Allocate Memory3 exercises

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Access Memory3 exercises

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Reallocate Memory3 exercises

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Deallocate Memory5 exercises

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Errors5 exercises

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The Exercise

The exercises are a mix of "multiple choice" and "fill in the blanks" questions. There are between 3 and 9 questions in each category. The answer can be found in the corresponding tutorial chapter. If you're stuck, or answer wrong, you can try again or hit the "Show Answer" button to see the correct answer.

If you don't know C, we suggest that you read our C Tutorial from scratch.


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