~~我不开long long全WA~~
by Juanzhang @ 2018-08-27 09:31:00
看数据啊，$(1111111111111111111111111111111)_2\leq10^5\cdot 10^6$
by Juanzhang @ 2018-08-27 09:32:36
```
void update(int L, int R, int now, int d)
{
if(l[now] == L && r[now] == R)
{
sum[now] += d * (R - L + 1);
```
这里要强转成long longQAQ
by qwerta @ 2018-09-11 18:03:11
我这个bug调了两天
by DukeLv @ 2018-09-28 11:24:44
真的诶qaq%%%
by Mogeko @ 2019-03-03 23:07:26
我也 orz%%%
by lylyly_ @ 2019-03-27 18:04:53