Practice level 1 · Beginner · 30 programs

Hello World and basics

printf, variables, input and simple maths.

The programs in this level

1. Print Hello World
2. Print your name
3. Print your age
4. Print your city
5. Print multiple lines
6. Print a sentence using printf()
7. Print numbers 1 to 10
8. Print numbers 10 to 1
9. Print special characters
10. Print a simple ASCII-art pattern
11. Declare and print an integer
12. Declare and print a float
13. Declare and print a character
14. Declare and print a double
15. Print multiple variables
16. Take name as input
17. Take age as input
18. Take integer input
19. Take float input
20. Take character input
21. Add two numbers
22. Subtract two numbers
23. Multiply two numbers
24. Divide two numbers
25. Find remainder
26. Calculate square of a number
27. Calculate cube of a number
28. Calculate average of two numbers
29. Calculate average of three numbers
30. Swap two numbers using a third variable