摘要：
Given a binary tree struct Node { int val; Node *left; Node *right; Node *next; } Populate each next pointer to point to its next right node. If there 阅读全文
posted @ 2020-07-12 14:38
CNoodle
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摘要：
You are given a perfect binary tree where all leaves are on the same level, and every parent has two children. The binary tree has the following defin 阅读全文
posted @ 2020-07-12 08:07
CNoodle
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The demons had captured the princess (P) and imprisoned her in the bottom-right corner of a dungeon. The dungeon consists of M x N rooms laid out in a 阅读全文
posted @ 2020-07-12 05:48
CNoodle
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