随笔分类 -  搜索-差分数组

摘要:题目链接:https://codeforces.com/problemset/problem/1260/D You are playing a computer game, where you lead a party of mm soldiers. Each soldier is characte 阅读全文
posted @ 2019-12-02 20:15 执||念 阅读(349) 评论(0) 推荐(0)
摘要:学习博客:https://blog.csdn.net/zsyz_ZZY/article/details/79918809 题目: 来先看一道裸题,有n个数。 m个操作,每一次操作,将x~y区间的所有数增加z; 最后有q个询问,每一次询问求出x~y的区间和。 思路: 很明显,直接用前缀和无法快速满足这 阅读全文
posted @ 2019-12-02 19:35 执||念 阅读(325) 评论(0) 推荐(0)