What is time and space complexity of Dictionary?

什么是时间复杂度和空间复杂度的字典？

youdao

You should try to optimize your time and space complexity.

你应当最优化时间和空间复杂度。

youdao

You should try to optimize your time and space complexity.

你应当最优化时间和空间复杂度。

youdao