roblox VO 面经

两周前roblox VO， IC4职位。之间大概和hm聊了3次。
1. Design a omni search system, for given key words, display search results for both games and catalog itesm.
2. Design a wallet system, requirement: A can give B some roblox currency at certain time.
3. LC Browsing history with bookmarks. Also design it with multi tabs. more like a OOD problem.
4. 3 match problem, 1. given a board generate a board for players.  2. generate a board where we can get a 3 match after one swap. 3. generate a board where we can get a 3 match after one swap.

之后要求executive 面，聊了一会，问了一些BQ，还有一些behaviour question。

这么多system design？

请问楼主有电面吗？谢谢！

请问楼主为啥第4题的第二问和第三问是重复的？能clarify一下吗？多谢

4. 3 match problem, 1. given a board generate a board for players.  2. generate a board where we can get a 3 match after one swap. 3. generate a board where we can get a 3 match after one swap.

最后来电话说，executive round挂掉了，感觉是被备胎了之类的吧。

楼主等了多久告知下一轮executive round的？

好难啊
咋都是system design..