摘要： 主要是修改区间的时候要维护线段数。。A Simple Problem with IntegersTime Limit:5000MSMemory Limit:131072KTotal Submissions:31920Accepted:9071Case Time Limit:2000MSDescriptionYou haveNintegers,A1,A2, ... ,AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number 阅读全文