将l=[p(0,0) for i in range(1001000)]改为l=[p(0,0) for i in range(100100)]会WA，不改会MLE by 曹彬皓cbh @ 2023-08-29 20:06:09
不要初始化吧，读入的时候一个一个加进去 by Huasushis @ 2023-09-01 21:44:51