What do you mean "didn't work"? Use triple backticks: ```langname, newline, paste your code, newline, close with ```. You MUST use newlines to separate from backticks, and type language name in lowercase.

You can use the little eye symbol on the left when you reply, to view what your reply would look like.

If your solution times out, then it means your solution has too many loops in it (too high time complexity)

The base can get up to 10,000 :P
Please post your code using markdown formatting and with a spoiler flag.