Revenge of Segment Tree                                                          Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)                                                                                    To…

Revenge of Segment Tree Problem Description In computer science, a segment tree is a tree data structure for storing intervals, or segments. It allows querying which of the stored segments contain a given point. It is, in principle, a static structur…

http://acm.hdu.edu.cn/showproblem.php?pid=5086 题目大意: 给定一个序列,求这个序列的子序列的和,再求所有子序列总和,这些子序列是连续的.去题目给的第二组数据的 3 1 2 3 这个序列的子序列有 [1].[2].[3].[1.2].[2.3].[1.2.3],这些子序列的和是分别是1.2.3.3.5.6.再将这些和加起来 1+2+3+3+5+6=20这个就是最终的答案. 解题思路: 我们假设n等于5.序列为1.2.3.4.5.然后我们将它们如下排列…

Revenge of Segment Tree Problem DescriptionIn computer science, a segment tree is a tree data structure for storing intervals, or segments. It allows querying which of the stored segments contain a given point. It is, in principle, a static structure…

Revenge of Segment Tree Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 383    Accepted Submission(s): 163 Problem Description In computer science, a segment tree is a tree data structure for s…

http://acm.hdu.edu.cn/showproblem.php?pid=5086 #include <iostream> #include <stdio.h> #include <math.h> #include <queue> #include <map> #include <stdlib.h> #include <algorithm> #include <string.h> #define mo…

Revenge of Segment Tree Problem Description In computer science, a segment tree is a tree data structure for storing intervals, or segments. It allows querying which of the stored segments contain a given point. It is, in principle, a static structur…

Revenge of Segment Tree Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1541    Accepted Submission(s): 552 Problem Description In computer science, a segment tree is a tree data structure for s…

A template of discretization + scaning line + segment tree. It's easy to understand, but a little difficult for coding as it has a few details. #include"Head.cpp" const int N=207; double x[N<<1]; struct Point{ double l,r,h; int w; bool ope…

HDU5086Revenge of Segment Tree(数论) pid=5086" target="_blank" style="">题目链接 题目大意:给出长度为n的数组.然后要求累计里面的每一个子串的和. 解题思路:枚举起点和终点,推断每一个数属于多少条线段.那么这个数就要被加这么多次.能够得出每一个位置被加次数的公式: i (n - i + 1):那么结果就是累计(arr[i] i) mod * (n - i + 1) % mod,注意两…