_   _    ____    _____   _____  
 | \ | |  / __ \  |_   _| |  __ \ 
 |  \| | | |  | |   | |   | |__) |
 |     | | |  | |   | |   |  ___/ 
 | |\  | | |__| |  _| |_  | |     
 |_| \_|  \____/  |_____| |_|     
  _____    _____                  
 |  __ \  |  __ \     _       _   
 | |__) | | |__) |  _| |_   _| |_ 
 |  _  /  |  ___/  |_   _| |_   _|
 | | \ \  | |        |_|     |_|  
 |_|  \_\ |_|                     

虽然我不能参见NOIP，但还是祝各位大佬：NOIP 2022 RP++ ！