Merge Sort Tree — Point Updates (CSES)

Правка en1, от Virtual_Contestant, 2020-07-20 23:13:54

Hello everyone, How do I do this question on CSES involving point updates using merge sort tree ONLY? https://cses.fi/problemset/task/1144

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en1 Английский Virtual_Contestant 2020-07-20 23:13:54 176 Initial revision (published)