Can somebody please explain how dynamic binary index trees work and give me an implementation, I would appreciate your help!
I meet some dificult in coding it !
Sorry about my pour English !
Thanks in advance! :)
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http://stackoverflow.com/questions/21995930/dynamic-i-e-variable-size-fenwick-tree
do you means that? or what? this is http://mirror.codeforces.com/contest/101/submission/18138434 solution of this problem with dynamic segment tree(for example).