谁解决了这个问题？

Who solved the problem?

youdao

里昂说谁解决了最难的问题，谁将具有最大的影响力，这点我表示认同。

And I do agree with Lyons that those which solve the hardest problems will have the biggest impact.

youdao

如果谁可以解决怎么关掉消息，那将会非常不错的【笑声】。

If someone could figure out how to turn off messages, that would be great.

youdao

If someone could figure out how to turn off messages, that would be great .

如果谁可以解决怎么关掉消息，那将会非常不错的【笑声】

哈佛公开课 - 计算机科学课程节选