@[thesadbee](/user/1149836)
```cpp
int quest(int x,int y){
if(c[x]>=y) return x;
y-=c[x];
for(int i=18;i>=0;i--){
//if(nxt[r][i]!=0&&y>sum[x][i]){
if(nxt[x][i]!=0&&y>sum[x][i]){
y-=sum[x][i];
x=nxt[x][i];
}
}
return nxt[x][0];
}
```
by cat_lover1 @ 2024-04-19 13:51:12
@[cat_lover1](/user/246331) %%%谢谢大牛 关注啦:>
by thesadbee @ 2024-04-20 10:02:08