http://codeforces.net/contest/242/submission/39896396 why my soltion gives TLE while other solution with same approach got accepted Can anyone help me out .Please Don't Downvote i already got -23 Contributions.

UpD:with use of treemap it got accepted but with AbstractMap.SimpleEntry it get tle is it bcz of bad hash function implemented in AbstrtactMap.SimpleEntry ?

How can i implement a Multiset in java which has all functions of treeset such as higher(),lower(),ceiling(),floor() etc. Is there is any way?

How this Solution works even if in priority queue the values stored are not weights.I think for Dijikstra to work we should maintain a priority queue which give the node whose distance is shortest from the source but in this implementation the priority queue gives the smallest node number

LINK:http://codeforces.net/contest/20/submission/30960352

I am not able to solve this question the constraints is very high what should i do QUESTION

HOW TO SOLVE THIS QUESTION QUES