P3810 [Template] Three-dimensional partial order (flowers on Moshang) topic background This is a template question
You can use bitset, CDQ divide and conquer, K-DTree, etc. to solve the prob
P3810 [Template] Three-dimensional partial order (flowers on Moshang) topic background This is a template question
You can use bitset, CDQ divide and conquer, K-DTree, etc. to solve the prob