okk i think this is a very hard problem.... coz only 17 people ever succeeded to get AC...
problem link:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2060
my code:http://codepad.org/k5rOaC0S
can u help me to find out the problemin my code or any idea to solve this??? thnx in advance :) :)