摘要：
http://poj.org/problem?id=2528 https://www.luogu.org/problem/UVA10587 Description The citizens of Bytetown, AB, could not stand that the candidates in 阅读全文
摘要：
POJ-3468 - A Simple Problem with Integers（线段树区间更新模板） http://poj.org/problem?id=3468 Description You have N integers, A1, A2, ... , AN. You need to dea 阅读全文