线段树区间更新的理解 POJ 3468 A Simple Problem with Integers 线段树区间更新 线段树区间更新的理解
ASimpleProblemwithIntegersTimeLimit:5000MSMemoryLimit:131072KTotalSubmissions:84089Accepted:26030CaseTimeLimit:2000MSDescriptionYouhaveNintegers,A1,A2,…,AN.Youneedtodealwithtwokindsofoperations.Onetyp