M. Big brother said the calculation 通过线段树维护. 这个题和杭电的一道题几乎就是一样的题目.HDU5649.DZY Loves Sorting 题意就是一个n的排列,执行Q次操作,每次操作是对某个区间从小到大排序或者从大到小排序.最后只查询一次,输出第k个位置当前的数. 直接按HDU5649这个题写了. 因为只查询一次,而且这是n的全排列,所以直接二分答案,比mid小的赋值为0,大的赋值为1.区间查询判断的时候直接与0和1比较就可以了. 这个题写的简直要骂人
链接:https://www.nowcoder.com/acm/contest/106/K 来源:牛客网 题目描述 It's universally acknowledged that there're innumerable trees in the campus of HUST. Now you're going to walk through a large forest. There is a path consisting of N stones winding its way to
Description Matt’s friend K.Bro is an ACMer. Yesterday, K.Bro learnt an algorithm: Bubble sort. Bubble sort will compare each pair of adjacent items and swap them if they are in the wrong order. The process repeats until no swap is needed. Today, K.B
int main(){ == key int m; while ( l <= r ) { m = ( l + r ) >> 1; if ( x[m] == key ) return m; else if ( key > x[m] ) l = m + 1; else r = m - 1; } >= key 中最小的 int ret; while ( l <= r ) { m = ( l + r ) >> 1; if ( x[m] >= key ) { r
Matrix Power Series Time Limit: 3000MS Memory Limit: 131072K Total Submissions: 15417 Accepted: 6602 Description Given a n × n matrix A and a positive integer k, find the sum S = A + A2 + A3 + - + Ak. Input The input contains exactly one test cas
目录: K Airdrop I Soldier Game L Sub-cycle Graph G Repair the Artwork ———————————————————— ps:楼主脑残有点严重,很容易写错别字和语言组织混乱,如果在读文章时遇到,可以在评论区里回复一下,我好改(花式骗评论) 补题地址:http://acm.zju.edu.cn/onlinejudge/showProblems.do?contestId=1&pageNumber=31 顺便好人做到底,给大家凑个11/13的