No Pain No Game Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2000 Accepted Submission(s): 851 Problem Description Life is a game,and you lose it,so you suicide. But you can not kill yours
Partial Sum Accepted : Submit : Time Limit : MS Memory Limit : KB Partial Sum Bobo has a integer sequence a1,a2,…,an of length n. Each time, he selects two ends ≤l<r≤n and add |∑rj=l+1aj|−C into a counter which is zero initially. He repeats the selec
D. Powerful array time limit per test seconds memory limit per test megabytes input standard input output standard output An array of positive integers a1, a2, ..., an ..., ar, ≤ l ≤ r ≤ n. For every positive integer s denote by Ks the number of occ
C - Grand Garden In a flower bed, there are NN flowers, numbered 1,2,......,N1,2,......,N. Initially, the heights of all flowers are 00. You are given a sequence h={h1,h2,h3,......}h={h1,h2,h3,......} as input. You would like to change the height of
Dynamic len(set(a[L:R])) Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=3767 Description 给你n个数,m次操作 Q x y 询问[x+1,y]有多少个不同的数 M x y 将第x+1个数修改成y Input n
这个也是线段树的经验问题,待修改的,动态询问区间的最大值,只需要每次更新的时候,去把利用子节点的信息进行修改即可以. 注意更新的时候区间的选择,需要对区间进行二分. #include<iostream> #include<stdio.h> #include<string.h> #include<algorithm> using namespace std; ; int b[maxx]; struct node{ int l; int r; int mid;
