- maximum + time
- median + time
- median2 + time (more simple)
- loop_while
- loop_for
- gauss_+
- a to b sum
- a to b sum(fixed)
- alternative
- alternative(fixed)
- print_star
- print_star(fixed)
- rectangle
- rand_for
- skip
- skip2
- 2digits1
- multiple
- triange_star
- triangle_star(reverse)