摘要：
You are given an integer array nums and an integer k. In one operation, you can pick two numbers from the array whose sum equals k and remove them fro 阅读全文
posted @ 2021-01-03 16:08
CNoodle
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摘要：
Given an array of positive integers target and an array initial of same size with all zeros. Return the minimum number of operations to form a target 阅读全文
posted @ 2021-01-03 04:41
CNoodle
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Given two binary trees original and cloned and given a reference to a node target in the original tree. The cloned tree is a copy of the original tree 阅读全文
posted @ 2021-01-03 02:39
CNoodle
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