Apple siri infra SDE 岗位
五轮面试
- give an input stream, find meand with slidingwindow k
[1,2,3,4,5,6] k=3
[2,3,4,5]
两个priority_queue做
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find meandia in two sorted array
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迭代器返回 树的preorder andpostorder. DP两边取石头，问最大值多少 leetcode 原题，题号忘了
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数据库取样，怎么提高效率，我没做出来，现在也不大懂什么意思
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system design Flight booking system (购票)