Hi i am new to virtual tree, I'm finding some OI problem to pratice can someone recommend for me some good problem. Thanks!
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Hi, I've just solved a problem by using a technique called "Dijkstra on Segment Tree", I rly want to practice more, can someone recommend some problems using this trick? Thanks!
Hi guys, I'm new to DP how we can solve a problem DP need sorting for optimize order like this problem: https://atcoder.jp/contests/dp/tasks/dp_x.
Idk how to improve the optimal sorting order. Can some one help me and tell me how to solve problem like that? D:
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