@[詹昕蕾](/user/355521)
> **int** summ(long long node,long long l,long long r,long long L,long long R)
真就所有变量都开了long long
by tribool4_in @ 2021-08-01 20:38:47
谢谢,没注意到函数类型
感谢大佬
by 詹昕蕾 @ 2021-08-03 18:03:40