摘要：
Mike is the president of country What The Fatherland. There are n bears living in this country besides Mike. All of them are standing in a line and th 阅读全文
摘要：
recursion有一个整数序列a[n]。现在recursion有m次询问，每次她想知道Max { A[i]+A[i+1]+...+A[j] ; x1 思路： 首先用https://vjudge.net/problem/SPOJ GSS3 这题的模板可以维护正常的区间询问，单点修改的线段树维护区间最 阅读全文