样例1，2可过，可能是这4行的问题，注释后提交就不RE了
```
xmax0=max(xma0[l1][gn[s1]],xma0[t][gn[s1]]);//>=0 max
xmax1=max(xma1[l1][gn[s1]],xma1[t][gn[s1]]);//<0 max
xmin0=min(xmi0[l1][gn[s1]],xmi0[t][gn[s1]]);//>=0 min
xmin1=min(xmi1[l1][gn[s1]],xmi1[t][gn[s1]]);//<0 min;
```
by yshpdyt @ 2023-07-31 22:19:56
把gn，gm大小改成114514
by wyb_dad @ 2023-08-02 20:42:48