19
votes
6answers
1k views

How can I make this mess of Java for-loops faster?

I'm trying to find all the 3, 4, 5, and 6 letter words given 6 letters. I am finding them by comparing every combination of the 6 letters to an ArrayList of words ...
5
votes
1answer
106 views

Optimising Funny Marbles

Problem statement is at http://www.codechef.com/DEC13/problems/MARBLEGF Lira is given array A, which contains elements between 1000 and 2000. Three types of queries can be performed on this ...