I Dayou ......
This is the original ......
Welcome to the comments section to add
Submit wrong file name ,
Do not count the space burst into zero.
Not open long long two lines of tears,
freopen out of shape.
Stacks and queues did POP ,
Special sentenced to forget return 0 .
Output format read three times,
Multi measured not clear necessarily fatal.
More than double the open forward star ,
Empty tot is also set to zero.
Symbol priority on brackets,
Modulo the number can not be less.
The following is a reprint ~
Original from: https://www.cnblogs.com/hkxadpall/p/9935879.html
I wish you all CSP2019RP ++!