POJ3468 A Simple Problem with Integers 【线段树】+【成段更新】
ASimpleProblemwithIntegersTimeLimit: 5000MS MemoryLimit: 131072KTotalSubmissions: 57666 Accepted: 17546CaseTimeLimit: 2000MSDescriptionYouhave N integers, A1, A2,..., AN.Youneedtodealwithtwokindsofope