BOI 17 catinatree Editorial request

Revision en1, by youssefbou62, 2020-07-27 13:35:11

Can anyone who solved this problem explain how to solve subtask 2 and full solution please ?

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en2 English youssefbou62 2020-07-27 13:38:30 45 Tiny change: ' please ? ' -> ' please ? \nhttps://oj.uz/problem/view/BOI17_catinatree'
en1 English youssefbou62 2020-07-27 13:35:11 128 Initial revision (published)