洛谷好像爆栈不算RE,算MLE![](//啧.tk/jy) by a2lyaXNhbWUgbWFyaXNh @ 2022-12-05 19:53:04
我也爆开了,如果这样子的话,你直接模拟去做了,模拟去重全排列 by zzf12345666 @ 2023-02-01 18:56:55