@[Ch35](/user/672360) 在chaxun里改成
```latex
tree[o]+=k;
```
但这样仍然会TLE
by hjy192939 @ 2022-08-01 15:26:21
@[Ch35](/user/672360) 用上 `scanf` 和 `printf`，或者上快读
by Strelitzia_ @ 2022-08-01 15:28:45
您确定您的做法是O(nlogn)的吗
by yinhee @ 2022-08-01 15:31:08
每次查询到线段树的叶子节点，时间复杂度O(mnlogn)
by yinhee @ 2022-08-01 15:32:10
@[yinhee](/user/578590) O(mlogn)
by yinhee @ 2022-08-01 15:33:09
he中的l==r应为x<=l&&r<=y
by yinhee @ 2022-08-01 15:36:44