感觉mul_update错了
mid为啥要判断啊awa
by hmya @ 2021-01-25 10:02:25
是我的写法不太一样吗?
by hmya @ 2021-01-25 10:03:00
@[潜在了H2O下面](/user/264490) mid表示当前搜到的区间的中间,如果这个区间不在[l,r]的范围内就不用继续往下搜了啊
by Terraria @ 2021-01-25 10:04:04
In function: `update_add`
```
t[p].add=(t[p].add*k)%P; // change '*' to '+'
```
by ShuYuMo @ 2021-01-25 10:04:55
@[ShuYuMo](/user/44615) 噢噢噢!!谢谢大佬!
by Terraria @ 2021-01-25 10:05:56