Debug Alt + 1

Aceloop pulls the buggy code from the platform process memory, names the broken line, explains the failure, and ships the corrected version as a unified diff.

Other demos

0:53

Solve

Alt + Enter

One keystroke solves the problem in front of you.

Share link: http://127.0.0.1:4832/demo/solve

1:25

Optimize

Alt + 2

Improve time / space complexity of the working solution.

Share link: http://127.0.0.1:4832/demo/optimize