[so0k]

for the HTML parsing - I was able to pass all the test cases using a stack (push the tags when they open and pop them as they close). I was doing zero validation as the challenge was to take valid html. (I didn't verify that the proper tag was being closed, I knew I'd get out of bound errors due to this, but it should work for valid html)

I was using a string builder to eat the input as I had parsed it... but I got an error on submitting my result - it gave "unexpected termination" even when I had replicated the "unexpected termination" error with a custom test case and caught the error - I still got an unexpected termination error when submitting - sigh - maybe it's related to using C# for the challenge... overall not so hard though...