A Hard segment tree problem(help)

Revision en3, by rsazid99, 2017-12-07 07:28:52

http://www.spoj.com/problems/HEAPULM/

how to solve this problem?? I tried a lot but i didn't get any idea how to solve this..

Thanks in Advance :)

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en3 English rsazid99 2017-12-07 07:28:52 10
en2 English rsazid99 2017-12-07 07:27:01 5
en1 English rsazid99 2017-12-07 07:19:42 177 Initial revision (published)