Practice arena

Level up with coding challenges

376+ problems across six tracks. Pass tests, earn XP, and watch your progress grow.

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Today's challenge

Read ints. Print count of positive values.

Each track has dozens of problems from beginner to hard.

Logic, arrays, strings & algorithms

0/83 solved · 0%

Basics, lists, loops & problem solving

0/67 solved · 0%

OOP fundamentals & classic puzzles

0/55 solved · 0%

Markup patterns via JS output checks

0/58 solved · 0%

Selectors, layout & styling logic

0/57 solved · 0%

Queries & data manipulation

0/56 solved · 0%