Background\text{Background}Background
I’ve got that Luogu Dialy has been \text{I've got that Luogu Dialy has been }I’ve got that Luogu Dialy has been updated\text{updated}updated this morning.\text{ this morning.} this morning.
So I decided to learn Topological Sort.\text{So I decided to learn Topological Sort.}So I decided to learn Topological Sort.