OJ Board

Yup.. I'm experiencing the same problem. Just submitted but it's not getting evaluated. Hopefully someone notices and fixes the problem... .

Yep, I was getting 1.

I just figured out what my problem was. I was doing something really silly with my collision resolution in the hashtable (overwriting some pointers by accident). This wasn't causing any of my handcrafted testcases to fail, unfortunately, so the problem only showed up when I ...

Hi.

Yep. I considered the change of one letter to another.

My "naive" slow algorithm is similar to the standard algo for solving Longest Increasing Subsequence:

Assuming I know the longest step ladder that each word belongs to up to the i'th word, I can then find the longest step ladder on the ...

I'm stuck on 10029, getting WA, and wonder if anyone can provide assistance.

I've checked my "fast" solution (that I submit) against the "naive" slow solution, and my answers match up, so I don't know what I'm doing wrong ... unless I've misunderstood the question.

An edit step that "adds" or ...

Hi,

I'm trying to understand the solution to problem A of the Waterloo Sept17/2005 contest:

Problem statement is here:

http://plg.uwaterloo.ca/~acm00/050917/A.html

My (very wrong) attempt was to

- first calculate the expected value of the probability that he would answer a question correctly ...