practice and problem solving c

C Functions

C structures, c exercises.

You can test your C skills with W3Schools' Exercises.

We have gathered a variety of C exercises (with answers) for each C Chapter.

Try to solve an exercise by editing some code, or show the answer to see what you've done wrong.

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

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Basic programming exercises and solutions in C

C programming is a stepping stone for many programmers in the programming world. C is best to learn internals of programming and know how a computer program works internally.

Since it is close to low level programming. Programming in C can be a nightmare for beginners if not practiced properly. However, you can learn and practice at Codeforwin step by step.

In this programming exercise we will focus on basics of C programming. After completing this exercise you will learn basic structure and semantics of a C program and how to write mathematical programs in C.

If you are not a beginner, still reached here. Hold your breath I am sure you will find these exercises interesting.

Always feel free to drop your questions in comments section . I love to hear hugs and bugs from you all.

Required knowledge

Operators , Data types , Variables and expression , Basic input/output

List of basic programming exercises

• Write a C program to perform input/output of all basic data types .
• Write a C program to enter two numbers and find their sum.
• Write a C program to enter two numbers and perform all arithmetic operations.
• Write a C program to enter length and breadth of a rectangle and find its perimeter.
• Write a C program to enter length and breadth of a rectangle and find its area.
• Write a C program to enter radius of a circle and find its diameter, circumference and area.
• Write a C program to enter length in centimeter and convert it into meter and kilometer.
• Write a C program to enter temperature in Celsius and convert it into Fahrenheit.
• Write a C program to enter temperature in Fahrenheit and convert to Celsius
• Write a C program to convert days into years, weeks and days .
• Write a C program to find power of any number x ^ y.
• Write a C program to enter any number and calculate its square root.
• Write a C program to enter two angles of a triangle and find the third angle.
• Write a C program to enter base and height of a triangle and find its area.
• Write a C program to calculate area of an equilateral triangle.
• Write a C program to enter marks of five subjects and calculate total, average and percentage.
• Write a C program to enter P, T, R and calculate Simple Interest.
• Write a C program to enter P, T, R and calculate Compound Interest.