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drive.ai OA

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daisy__pupu 发表于 2017-11-12 10:38:01 | 显示全部楼层 |阅读模式

2017(10-12月) 码农类 硕士 全职@drive.ai - 网上海投 - 在线笔试 |Other在职跳槽

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OA. As hard as the dicusson online. Just finished.
. From 1point 3acres bbs
1. Calculation. Given frame/s, no. of pixals/ frame, 3 bytes/ pixel, compression ratio, size of SSD, number of minutes SSD can store?
2. Probablility. Baysian rule. Waral 鍗氬鏈夋洿澶氭枃绔,
3. Basic concept of algorithms, like time complexity. Yes or no. False answer will get points deducted from your test while not sure will not
4. Algebra. PCA etc
5. If the given code correctly detects a square.
6. Identify objects in camera.鐣欏璁哄潧-涓浜-涓夊垎鍦
You're given a H-by-M matrix with each element the depth detected of part of an object. You're ask to identify objects in the matrix. If number of elemnts is smaller than S, it's ignored. If adjcent depth difference is bigger than D, it's considered to be different object.
Let's say S=2, D=3
0 0 0 4 2 4
0 0 0 1 0 0
0 0 4 0 0 0
Output is
0 0 0 1 1 1
.1point3acres缃0 0 0 0 0 0
0 0 0 0 0 0
Doesn't have to be 1. You can assign any number to that region.

This is the variation of number of island. Got compile error. Couldn't finish.
.鏈枃鍘熷垱鑷1point3acres璁哄潧

补充内容 (2017-11-21 11:05):
Follow up phone:

挺简单的一个vector题,关于compress image. 没有什么技巧,就是实现面试官说的过程就行了。问了complexity.

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