nka_kun的博客

BracketsTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 10369 Accepted: 5517DescriptionWe give the following inductive definition of a “regular brackets” sequence:the empty sequence is a reg...

Multiplication PuzzleTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 11740 Accepted: 7275DescriptionThe multiplication puzzle is played with a row of cards, each containing a single positive...

    Gappu has a very busy weekend ahead of him. Because, next weekendis Halloween, and he is planning to attend as many parties ashe can. Since it’s Halloween, these parties are all costume parties,Ga...

                                                                                     Recovering BST                                                                          Time limit per test   1 se...